Gw-instek AFG-2225 User Manual Manuel d'utilisateur

Arbitrary Function Generator AFG-2225 User Manual GW INSTEK PART NO.82RF-22250M01 ISO-9001 CERTIFIED MANUFACTURER

AFG-2225 User Manual 10 Power cord for the United Kingdom When using the function generator in the United Kingdom, make sure the power cord meets

AFG-2225 Series User Manual 100 SUM modulation Sum modulation adds a modulating signal to a carrier wave. Typically, sum modulation is used to add

MODULATION 101 Selecting SUM modulation For SUM modulation, the modulated waveform amplitude and offset is determined by the carrier wave. Panel

AFG-2225 Series User Manual 102 SUM Carrier Frequency The maximum carrier frequency depends on the selected carrier waveform. The default carrier

MODULATION 103 SUM Waveform The function generator can accept internal and external sources. The AFG-2225 includes sine, square, triangle, UpRamp

AFG-2225 Series User Manual 104 Modulating Waveform Frequency The frequency of the modulating waveform (SUM Frequency) can be set from 2mHz to 20k

MODULATION 105 SUM Amplitude The SUM amplitude is the offset (in percent relative to the carrier) of the signal that is added to the carrier. Pan

AFG-2225 Series User Manual 106 Select the SUM Amplitude Source The signal generator can accept internal or external sources for the SUM amplitude

MODULATION 107

AFG-2225 Series User Manual 108 Frequency Sweep The function generator can perform a sweep for sine, square or ramp waveforms, but not noise, and

MODULATION 109 Selecting Sweep Mode The Sweep button is used to output a sweep. If no settings have been configured, the default settings for out

GETTING STARTED 11 GETTING STARTED The Getting started chapter introduces the function generator’s main features, appearance, set up pr

AFG-2225 Series User Manual 110 Stop 4. Use the arrow keys and scroll wheel or number pad to enter the Stop/Start frequency. /  5.

MODULATION 111 Center Frequency and Span A center frequency and span can be set to determine the upper and lower sweep limits (start/stop). Pan

AFG-2225 Series User Manual 112 Range Center frequency 1μHz~25MHz (sine wave) 1μHz~1MHz (Ramp wave) 1μHz~15MHz (square wave) Span frequency DC~25

MODULATION 113 Sweep Mode Sweep mode is used to select between linear or logarithmic sweeping. Linear sweeping is the default setting. Panel Oper

AFG-2225 Series User Manual 114 Sweep Time The sweep time is used to determine how long it takes to perform a sweep from the start to stop freque

MODULATION 115 Range Sweep time 1ms ~ 500s Default time 1s Marker Frequency The marker frequency is the frequency at which the marker signal goes

AFG-2225 Series User Manual 116 7. Use the arrow keys and scroll wheel or number pad to enter the frequency. /  8. Press F1~F5 to se

MODULATION 117 3. To select the trigger source, press F1 (Internal), F2 (External) or F3 (Manual).  ~ anual 4. Press Return to return

AFG-2225 Series User Manual 118 Burst Mode The function generator can create a waveform burst with a designated number of cycles. Burst mode suppo

MODULATION 119 Selecting Burst Mode When burst mode is selected, any modulation or sweep modes will be automatically disabled. If no settings hav

AFG-2225 User Manual 12  Int/Ext AM, FM, PM, FSK, SUM modulation  Burst function with internal and external triggers without marker output 

AFG-2225 Series User Manual 120 In Gated mode, burst count, burst cycle and trigger source are ignored. If a trigger is input, then the trigger wi

MODULATION 121 Range Frequency 1uHz~25MHz Freqency – Ramp 1uHz~1MHz Default 1kHz Note Waveform frequency and burst period are not the same. The bu

AFG-2225 Series User Manual 122 5. Use the arrow keys and scroll wheel or number pad to enter the number of cycles. /  6. Press F2 t

MODULATION 123 Infinite Burst Count Panel Operation 1. Press the Burst key.  2. Press F1 (N Cycle). yl 3. Press F2 (Infinite). 

AFG-2225 Series User Manual 124 3. Press F4 (Period). rod 4. The Period parameter will become highlighted in the Waveform Display area.

MODULATION 125 Burst Phase Burst Phase defines the starting phase of the burst waveform. The default is 0˚. Panel Operation 1. Press the Burst k

AFG-2225 Series User Manual 126 Note When using sine, square, triangle or ramp waveforms, 0˚ is the point where the waveforms are at zero volts.

MODULATION 127 Manual Triggering If a manual source is selected, the Trigger softkey (F1) must be pressed each time to output a burst. rr

AFG-2225 Series User Manual 128 Burst Delay Panel Operation 1. Press the Burst key.  2. Press F1 (N Cycle). yl 3. Press F5 (TRIG

MODULATION 129 Range Delay time 0s~655350nS Default 0s Burst Trigger Output The Trig Out terminal on the rear panel can be used for burst or swe

GETTING STARTED 13 Panel Overview Front Panel turn / 

AFG-2225 Series User Manual 130

SECONDARY SYSTEM FUNCTION SETTINGS 131 SECONDARY SYSTEM FUNCTION SETTINGS The secondary system functions are used to store and recall settings, v

AFG-2225 Series User Manual 132 Save and Recall The AFG-2225 has non-volatile memory to store instrument state and ARB data. There are 10 memory f

SECONDARY SYSTEM FUNCTION SETTINGS 133  Time  Start frequency  Stop frequency  Center frequency  Span frequency  Marker frequency  S

AFG-2225 Series User Manual 134 4. Choose a file operation: Press F1 to store a file, press F2 to recall a file, or press F3 to delete a file.

SECONDARY SYSTEM FUNCTION SETTINGS 135 9. Press F1 (Done) to confirm the deletion of all files. on

AFG-2225 Series User Manual 136 System and Settings There are a number of miscellaneous settings and firmware settings that can be configured. V

SECONDARY SYSTEM FUNCTION SETTINGS 137 Setting the Buzzer Sound Background Turns the beeper on or off. Panel Operation 1. Press the UTIL key. 

AFG-2225 Series User Manual 138 Frequency Coupling Example: Frequency Coupling 1. Press UTIL, F4 (Dual Chan) to enter the coupling function.

SECONDARY SYSTEM FUNCTION SETTINGS 139 4. Input an offset value of 1kHz. Press F1~ F5 to select the units. uz ~ z The frequency of chann

AFG-2225 User Manual 14  The UTIL key is used to access the save and recall options, update and view the firmware version, access the calibra

AFG-2225 Series User Manual 140 Amplitude Coupling Example: Amplitude Coupling 1. The following assumes that the amplitude has already been set

SECONDARY SYSTEM FUNCTION SETTINGS 141 1. The method for outputting a square wave has been previously described. Use this method to output a 2kH

AFG-2225 Series User Manual 142

CHANNEL SETTINGS 143 CHANNEL SETTINGS The channel settings chapter shows how to set the output impedance, output phase and DSO connection settings

AFG-2225 Series User Manual 144 3. Select F1 (50 OHM) or F2 (High Z) to select the output impedance.  ~ h Selecting the Output

CHANNEL SETTINGS 145 4. Use the arrow keys and scroll wheel or number pad to enter the output phase. /  5. Press F5 (Degree). r

AFG-2225 Series User Manual 146 DSO Link Background DSO Link enables the AFG-2225 to receive lossless data from a GDS-2000 Series DSO to create A

ARBITRARY WAVEFORMS 147 ARBITRARY WAVEFORMS The AFG-2225 can create user-defined arbitrary waveforms with a sample rate of 120MHz. Each waveform

AFG-2225 Series User Manual 148 Inserting Built-In Waveforms The AFG-2225 includes 66 common waveforms, such as math waveforms, windowing function

ARBITRARY WAVEFORMS 149 Below an Absatan wave created at start:0, Length: 33, Scale: 511

GETTING STARTED 15 Scroll Wheel The scroll wheel is used to edit values and parameters. Decrease Increase Keypad /  The digi

AFG-2225 Series User Manual 150 Display an Arbitrary Waveform Set the Horizontal Display Range The horizontal window bounds can be set in one of

ARBITRARY WAVEFORMS 151 Setting the Length 10. Repeat steps 4~9 for Length (F2). nth Using a Center Point 11. Repeat steps 4~9 for Center (F3

AFG-2225 Series User Manual 152 Set the Vertical Display Properties Like the horizontal properties, the vertical display properties of the wavefor

ARBITRARY WAVEFORMS 153 Setting the Center Point 11. Repeat steps 4~9 for Center (F3). ntr Zoom 12. To zoom in from the center of the arbitra

AFG-2225 Series User Manual 154 Page Navigation (Back Page) Background When viewing the waveform, the display window can be moved forward and bac

ARBITRARY WAVEFORMS 155

AFG-2225 Series User Manual 156 Page Navigation (Next Page) Background When viewing the waveform, the display window can be moved forward and bac

ARBITRARY WAVEFORMS 157

AFG-2225 Series User Manual 158 Display Panel Operation 1. Press the ARB key.  2. Press F1 (Display). splay 3. To make the display wi

ARBITRARY WAVEFORMS 159 Editing an Arbitrary Wavefrom Adding a Point to an Arbitrary Waveform Background The AFG-2225 has a powerful editing func

AFG-2225 User Manual 16 Rear Panel zrrountrrrostvUSB Host port Tri

AFG-2225 Series User Manual 160 10. The Data parameter will become highlighted. 11. Use the selector keys and scroll wheel or number pad to ente

ARBITRARY WAVEFORMS 161 Panel Operation 1. Press the ARB key.  2. Press F2 (Edit). dt 3. Press F2 (Line). n 4. Press F1 (Start

AFG-2225 Series User Manual 162 The red line was created below with the following properties: Start Address: 0, Start Data: 0 Stop Address: 32,

ARBITRARY WAVEFORMS 163 6. The the arrow keys and scroll wheel or number pad to enter the Copy From address. /  7. Press F2 (Enter)

AFG-2225 Series User Manual 164 Clear the Waveform Panel Operation 1. Press the ARB key.  2. Press F2 (Edit). dt 3. Press F4 (Clear).

ARBITRARY WAVEFORMS 165 Delete All 11. Press F4 (ALL) to delete the whole waveform.  12. Press F1 (Done) again to confirm the deletion. on

AFG-2225 Series User Manual 166 The result after the whole waveform is deleted: ARB Protection The protection function designates an area of t

ARBITRARY WAVEFORMS 167 6. Use the arrow keys and scroll wheel or number pad to enter the Protect Start address. /  7. Press F2 (Ent

AFG-2225 Series User Manual 168 Below, the protected areas of the waveform are shown with an orange background: Start:0, Length: 100.

ARBITRARY WAVEFORMS 169 Ouput an Arbitrary Waveform The arbitrary waveform generator can output up to 4k points (2~4096). Ouput Arbitrary Waveform

GETTING STARTED 17 USB Host Host USB type-A host port. USB Device Port Device USB type-B device port is used to connect the function

AFG-2225 Series User Manual 170 The front panel terminal will output the following waveform. Start 0，Length 500

ARBITRARY WAVEFORMS 171 Saving/Loading an Arbitrary Waveform The AFG-2225 can save and load arbitrary waveforms from 10 internal memory slots. Arb

AFG-2225 Series User Manual 172 11. Select a memory file using the scroll wheel. Memory0~Memory9 12. Press F1 (Select) to save the selected me

ARBITRARY WAVEFORMS 173 5. The Start propery will become highlighted in red. 6. Use the arrow keys and scroll wheel or number pad to enter the

AFG-2225 Series User Manual 174 New Folder:NEW_FOLBCDEFGHIJKLMNO QPRSTUVWXYZ1234 65 890A _-7 3. Use the scroll wheel to move the cursor. 4.

ARBITRARY WAVEFORMS 175 3. Use the scroll wheel to move the cursor. 4. Use F1 (Enter Char) or F2 (Backspace) to create a file name. ntrha

AFG-2225 Series User Manual 176 5. Use the scroll whell to choose a memory file. 6. Press Select to load the selected memory file. lt

ARBITRARY WAVEFORMS 177

AFG-2225 Series User Manual 178 Load a Waveform from USB Panel Operation 1. Press the ARB key.  2. Press F5 (More). or 3. Press F2 (L

ARBITRARY WAVEFORMS 179 Below the file AFG.CSV is selected using the scroll wheel loaded to position 0.

AFG-2225 User Manual 18 DisplaySoft Menu KeysStatus TabsParameterWindowsWaveformDisplay Parameter Windows The Parameter display and edit window.

AFG-2225 Series User Manual 180 REMOTE INTERFACE Establishing a Remote Connection ... 181 Configure USB interface

REMOTE INTERFACE 181 Establishing a Remote Connection The AFG-2225 supports USB remote connections. Configure USB interface USB configuration

AFG-2225 Series User Manual 182 Remote control terminal connection Terminal application Invoke the terminal application such as MTTTY (Multi-Th

REMOTE INTERFACE 183

AFG-2225 Series User Manual 184 Command Syntax Compatible standard  IEEE488.2, 1992 (fully compatible)  SCPI, 1994 (partially compatible) Com

REMOTE INTERFACE 185 Query A query is a simple or compound command followed by a question mark (?). A parameter (data) is returned. The maximum

AFG-2225 Series User Manual 186 Command Format SOURce1:DCOffset < offset>LF1 324 1: command header 2: single space 3: parameter 4: message

REMOTE INTERFACE 187 <NRf+> <Numeric> NRf type with a suffix including MINimum, MAXimum or DEFault parameters. 1, 1.5, 4.5e-1 MAX, M

AFG-2225 Series User Manual 188 Command Separators Space A space is used to separate a parameter from a keyword/command header. Colon (:) A colon

REMOTE INTERFACE 189 Command List System Commands ... 193 SYSTem:ERRor?...

GETTING STARTED 19 Setting Up the function Generator Background This section describes how to adjust the handle and power up the funct

AFG-2225 Series User Manual 190 SOURce[1|2]:AM:SOURce ... 219 SOURce[1|2]:AM:INTernal:FUNCtion ...

REMOTE INTERFACE 191 Burst Mode Overview ... 249 SOURce[1|2]:BURSt:STATe ...

AFG-2225 Series User Manual 192 MEMory:STATe:DELete ALL ... 272

REMOTE INTERFACE 193 System Commands SYSTem:ERRor? System Query Description Reads an error from the error queue. See page 292 for details regar

AFG-2225 Series User Manual 194 *RST System Command Description Reset the function generator to its factory default state. Note Note the *RST co

REMOTE INTERFACE 195 *OPC? System Query Description Returns the OPC bit to the output buffer when all pending operations have completed. I.e. wh

AFG-2225 Series User Manual 196 Status Register Commands *CLS System Command Description The *CLS command clears all the event registers, the err

REMOTE INTERFACE 197 Example *ESE? 4 Bit 2 is set. *ESR? System Command Description Reads and clears the Standard Event Status Register. The b

AFG-2225 Series User Manual 198 *SRE System Command Description The Service Request Enable Command determines which events in the Status Byte Reg

REMOTE INTERFACE 199 System Remote Commands SYSTem:LOCal System Command Description Sets the function generator to local mode. In local mode, all

This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manual may be photocopied,

AFG-2225 User Manual 20 Power Up 1. Connect the power cord to the socket on the rear panel. 2. Turn on the power switch on the front panel.

AFG-2225 Series User Manual 200 Apply Commands The APPLy command has 5 different types of outputs (Sine, Square, Ramp, Pulse, Noise, ). The comma

REMOTE INTERFACE 201 Output Amplitude When setting the amplitude, MINimum, MAXimum and DEFault can be used. The range depends on the function bein

AFG-2225 Series User Manual 202 The offset is also determined by the output termination (50Ω or high impedance). If the offset has been set and th

REMOTE INTERFACE 203 Sets frequency to 2kHz and sets the amplitude and offset to the maximum. SOURce[1|2]:APPLy:RAMP Source Specific Command Des

AFG-2225 Series User Manual 204 <offset> -4.99V~4.99V (50Ω) Example SOUR1:APPL:PULS 1KHZ,MIN,MAX Sets frequency to 1kHz and sets the ampli

REMOTE INTERFACE 205 Syntax SOURce[1|2]:APPLy:USER [<frequency> [,<amplitude> [,<offset>] ]] Parameter <frequency> 1μHz~

AFG-2225 Series User Manual 206 Output Commands Unlike the Apply commands, the Output commands are low level commands to program the function gene

REMOTE INTERFACE 207 Sine Square Ramp Pulse Noise ARB AM       FM       PM       FSK 

AFG-2225 Series User Manual 208 Noise Not applicable User 1μHz~60MHz If the function mode is changed and the current frequency setting is not su

REMOTE INTERFACE 209 SOURce[1|2]:AMPlitude Source Specific Command Description The SOURce[1|2]:AMPLitude command sets the output amplitude for th

QUICK REFERENCE 21 QUICK REFERENCE This chapter describes the operation shortcuts, built-in help and factory default settings. This ch

AFG-2225 Series User Manual 210 Syntax SOURce[1|2]:AMPlitude {< amplitude> |MINimum|MAXimum} Example SOUR1:AMP MAX Sets the amplitude to th

REMOTE INTERFACE 211 Syntax SOURce[1|2]:DCOffset {< offset> |MINimum|MAXimum} Example SOUR1:DCO MAX Sets the offset to the maximum for the

AFG-2225 Series User Manual 212 Example SOUR1:SQU:DCYC MAX Sets the duty cycle to the highest possible for the current frequency. Query Syntax SO

REMOTE INTERFACE 213 OUTPut[1|2] Source Specific Command Description Enables/Disables or queries the front panel output from the selected channel

AFG-2225 Series User Manual 214 the output termination from high impedance to 50Ω will half the amplitude. If the output termination is set to hig

REMOTE INTERFACE 215 DBM dBm Example SOUR1:VOLT:UNIT? VPP The amplitude units are set to Vpp.

AFG-2225 Series User Manual 216 Pulse Configuration Commands The pulse chapter is used to control and output pulse waveforms. Unlike the APPLy com

REMOTE INTERFACE 217 Example SOUR1:PULS:PER? +1.0000E+01 The period is set to 10 seconds. SOURce[1|2]:PULSe:WIDTh Source Specific Command Descr

AFG-2225 Series User Manual 218 Amplitude Modulation (AM) Commands AM Overview To successfully create an AM waveform, the following commands must

REMOTE INTERFACE 219 SOURce[1|2]:AM:STATe Source Specific Command Description Sets or disables AM modulation. By default AM modulation is disable

AFG-2225 User Manual 22 Tracking ... 43 Menu Tree ...

AFG-2225 Series User Manual 220 Example SOUR1:AM:SOUR EXT Sets the modulation source to external. Query Syntax SOURce[1|2]:AM:SOURce? Return Par

REMOTE INTERFACE 221 SOURce[1|2]:AM:INTernal:FREQuency Source Specific Command Description Sets the frequency of the internal modulating waveform

AFG-2225 Series User Manual 222 Query Syntax SOURce[1|2]:AM:DEPTh? [MINimum|MAXimum] Return Parameter <NR3> Return the modulation depth as a

REMOTE INTERFACE 223 Frequency Modulation (FM) Commands FM Overview The following is an overview of the steps required to generate an FM waveform

AFG-2225 Series User Manual 224 SOURce[1|2]:FM:STATe Source Specific Command Description Sets or disables FM modulation. By default FM modulation

REMOTE INTERFACE 225 Example SOUR1:FM:SOUR EXT Sets the modulation source to external. Query Syntax SOURce[1|2]:FM:SOURce? Return Parameter INT I

AFG-2225 Series User Manual 226 SOURce[1|2]:FM:INTernal:FREQuency Source Specific Command Description Sets the frequency of the internal modulati

REMOTE INTERFACE 227 equal to the peak deviation frequency. The sum of the deviation and carrier frequency must not exceed the maximum frequency f

AFG-2225 Series User Manual 228 Frequency-Shift Keying (FSK) Commands FSK Overview The following is an overview of the steps required to generate

REMOTE INTERFACE 229 Enables FSK modulation Query Syntax SOURce[1|2]:FSKey:STATe? Return Parameter 0 Disabled (OFF) 1 Enabled (ON) Example SOUR1

QUICK REFERENCE 23 How to use the Digital Inputs Background The AFG-2225 has three main types of digital inputs: the number pad, arrow keys and s

AFG-2225 Series User Manual 230 Syntax SOURce[1|2]:FSKey:FREQuency {<frequency>|MINimum|MAXimum} Parameter <frequency> 1 μHz~25MHz(sin

REMOTE INTERFACE 231 Example SOUR1:FSK:INT:RATE? MAX +1.0000E+05 Returns the maximum FSK rate allowed.

AFG-2225 Series User Manual 232 Phase Modulation (PM)Commands PM Overview The following is an overview of the steps required to generate a PM mod

REMOTE INTERFACE 233 SOURce[1|2]:PM:STATe Source Specific Command Description Turns PM Modulation on or off. By default PM modulation is off. Not

AFG-2225 Series User Manual 234 Example SOUR1:PM:SOUR? INT The PM source is set to internal. SOURce[1|2]:PM:INTernal:FUNction Source Specific Com

REMOTE INTERFACE 235 Example SOUR1:PM:INT:FREQ MAX Sets the frequency to the maximum value. Query Syntax SOURce[1|2]:PM:INTernal:FREQuency? Retur

AFG-2225 Series User Manual 236 SUM Modulation (SUM) Commands SUM Overview The following is an overview of the steps required to generate a SUM

REMOTE INTERFACE 237 SOURce[1|2]:SUM:STATe Source Specific Command Description Turns SUM Modulation on or off. By default SUM modulation is off.

AFG-2225 Series User Manual 238 EXT External Example SOUR1:SUM:SOUR? INT The SUM source is set to internal. SOURce[1|2]:SUM:INTernal:FUNction So

REMOTE INTERFACE 239 Parameter <frequency> 2 mHz~ 20 kHz Example SOUR1:SUM:INT:FREQ MAX Sets the frequency to the maximum value. Query Synt

AFG-2225 Series User Manual 24 4. Alternatively, the number pad can be used to set the value of a highlighted parameter. / 

AFG-2225 Series User Manual 240 Frequency Sweep Commands Sweep Overview Below shows the order in which commands must be executed to perform a swe

REMOTE INTERFACE 241 Select Sweep Time Select the sweep trigger source Select the marker frequency 5. Choose the sweep time using the SOURce[1|

AFG-2225 Series User Manual 242 SOURce[1|2]:FREQuency:STARt Source Specific Command Description Sets the start frequency of the sweep. 100Hz is

REMOTE INTERFACE 243 Parameter <frequency> 1μHz~ 25MHz 1μHz~ 15MHz(Square) 1μHz~ 1MHz (Ramp) Example SOUR1:FREQ:STOP +2.0000E+03 Sets the s

AFG-2225 Series User Manual 244 Example SOUR1:FREQ:CENT? MAX +8.0000E+00 Returns the maximum center frequency allowed, depending on the span. SOU

REMOTE INTERFACE 245 SOURce[1|2]:SWEep:SPACing Source Specific Command Description Sets linear or logarithmic sweep spacing. The default spacing

AFG-2225 Series User Manual 246 Example SOUR1:SWE:TIME? +2.0000E+01 Returns the sweep time (20 seconds). SOURce[1|2]:SWEep:SOURce Source Specific

REMOTE INTERFACE 247 SOURce[1|2]:MARKer:FREQuency Source Specific Command Description Sets or queries the marker frequency. The default marker fr

AFG-2225 Series User Manual 248 MARKer OFF The SYNC terminal outputs a square wave with a 50% duty cycle at the start of each sweep. Syntax SOURce

REMOTE INTERFACE 249 Burst Mode Commands Burst Mode Overview Burst mode can be configured to use an internal trigger (N Cycle mode) or an extern

QUICK REFERENCE 25 How to use the Help Menu Background Every key and function has a detailed description in the help menu. 1. Press UTIL 

AFG-2225 Series User Manual 250 The following is an overview of the steps required to generate a burst waveform. Enable Burst Mode Configuration

REMOTE INTERFACE 251 SOURce[1|2]:BURSt:STATe Source Specific Command Description Turns burst mode on or off. By default burst mode is turned off

AFG-2225 Series User Manual 252 Example SOUR1:BURS:MODE? TRIG The current burst mode is triggered. SOURce[1|2]:BURSt:NCYCles Source Specific Com

REMOTE INTERFACE 253 Example SOUR1:BURS:NCYC? +1.0000E+02 The burst cycles are set to 100. SOURce[1|2]:BURSt:INTernal:PERiod Source Specific Com

AFG-2225 Series User Manual 254 SOURce[1|2]:BURSt:PHASe Source Specific Command Description Sets or queries the starting phase for the burst. The

REMOTE INTERFACE 255 Immediate A burst is output at a set frequency determined by the burst period. External EXTernal will output a burst wavefor

AFG-2225 Series User Manual 256 Syntax SOURce[1|2]: BURSt:TRIGger:DELay {<seconds>|MINimum|MAXimum} Parameter <seconds> 0~655350 nS Ex

REMOTE INTERFACE 257 SOURce[1|2]:BURSt:GATE:POLarity Source Specific Command Description In gated mode, the function generator will output a wave

AFG-2225 Series User Manual 258 Manual A >1 ms pulse is output at the start of each burst. Syntax SOURce[1|2]:BURSt:OUTPut:TRIGger:SLOPe {POSit

REMOTE INTERFACE 259 The trigger output is enabled.

AFG-2225 Series User Manual 26 Burst Function Provides help on the Burst function. DSO Link Provides help on DSO link. 5. For example, selec

AFG-2225 Series User Manual 260 Arbitrary Waveform Commands Arbitrary Waveform Overview Use the steps below to output an arbitrary waveform over

REMOTE INTERFACE 261 SOURce[1|2]:FUNCtion USER Source Specific Command Description Use the SOURce[1|2]:FUNCtion USER command to output the arbitr

AFG-2225 Series User Manual 262 data (16 bit integer). Therefore the number of bytes is always twice the number of data points. Syntax DATA:DAC

REMOTE INTERFACE 263 SOURce[1|2]:ARB:EDIT:DELete Source Specific Command Description Deletes a segment of a waveform from memory. The segment is

AFG-2225 Series User Manual 264 <data> Value data: ± 511 Example SOUR1:ARB:EDIT:POIN 1000, 511 Creates a point on the arbitrary waveform

REMOTE INTERFACE 265 Protects a segment of the waveform from address 40 for 50 data points. SOURce[1|2]:ARB:EDIT:PROTect:ALL Source Specific Comm

AFG-2225 Series User Manual 266 COUNTER The frequency counter function can be turned on remotely to control the frequency counter. COUNTER:STATE

REMOTE INTERFACE 267 COUNter:VALue? Instrument Command Description Returns the current value from the frequency counter. Syntax COUNter:VALue? E

AFG-2225 Series User Manual 268 SOURce[1|2]:PHASe:SYNChronize Instrument Command Description Sychronizes the phase of channel 1 and channel 2. S

REMOTE INTERFACE 269 SOURce[1|2]:FREQuency:COUPle:OFFSet Instrument Command Description Sets the offset frequency when the frequency coupling m

QUICK REFERENCE 27 Selecting a Waveform Square Wave Example: Square wave, 3Vpp, 75% duty cycle, 1kHz. Output: 50ΩCH1 1. Press Waveform and selec

AFG-2225 Series User Manual 270 Example SOURce1:AMPlitude:COUPle:STATe on Description Turns amplitude coupling on. Query Syntax SOURce[1|2]:AMPlit

REMOTE INTERFACE 271 Save and Recall Commands Up to 10 different instrument states can be stored to non-volatile memory (memory locations 0~9).

AFG-2225 Series User Manual 272 Delete instrument state from memory location 0. MEMory:STATe:DELete ALL Instrument Command Description Delete m

REMOTE INTERFACE 273 Error Messages The AFG-2225 has a number of specific error codes. Use the SYSTem:ERRor command to recall the error codes. Fo

AFG-2225 Series User Manual 274 -112 Program mnemonic too long A command header contains more than 12 characters: OUTP:SYNCHRONIZATION ON -113 Un

REMOTE INTERFACE 275 -158 String data not allowed An unexpected character string was used where none were expected. Example: A character string i

AFG-2225 Series User Manual 276 -221 Settings conflict; infinite burst changed trigger source to MANual Example: The trigger source is changed to

REMOTE INTERFACE 277 -221 Settings conflict;trigger output connector used by trigger external Example: The trigger output connector is disabled w

AFG-2225 Series User Manual 278 -221 Settings conflict;AM turned off by selection of other mode or modulation Example: AM mode is disabled when b

REMOTE INTERFACE 279 -221 Settings conflict;not able to burst dc, burst turned off Example: The burst function cannot be used with the dc voltage

AFG-2225 Series User Manual 28 4. Press the AMPL key then 5 +VPP (F5).  5. Press the Output key. OUTPUT Sine Wave Example: Sine Wave,

AFG-2225 Series User Manual 280 -221 Settings conflict;offset changed due to amplitude Example: The offset is not a valid offset value, it is au

REMOTE INTERFACE 281 -222 Data out of range;frequency; value clipped to ... Example: If the frequency was set to a value out of range, it is auto

AFG-2225 Series User Manual 282 -222 Data out of range; burst period limited by length of burst; value clipped to upper limit Example: The burst

REMOTE INTERFACE 283 -222 Data out of range;marker confined to sweep span; value clipped to ... Example: The marker frequency is set to a value o

AFG-2225 Series User Manual 284 -313 Calibration memory lost;memory corruption detected Indicates that a fault (check sum error) has occurred wit

REMOTE INTERFACE 285 Query Errors -410 Query INTERRUPTED Indicates that a command was received but the data in the output buffer from a previous

AFG-2225 Series User Manual 286 800 Block length must be even Example: As block data (DATA:DAC VOLATILE) uses two bytes to store each data point,

REMOTE INTERFACE 287 SCPI Status Register The status registers are used to record and determine the status of the function generator. The functio

AFG-2225 Series User Manual 288 AFG-2225 Status System 160 Volt Ovld1234 Over Temp5 Loop Unlock67 Ext Mod Ovld8 Cal Error9 External Ref1011121314

REMOTE INTERFACE 289 Questionable Status Register Description The Questionable Status Registers will show if any faults or errors have occurred.

QUICK REFERENCE 29 Modulation AM Example: AM modulation. 100Hz modulating square wave. 1kHz Sine wave carrier. 80% modulation depth. Output: 50ΩC

AFG-2225 Series User Manual 290 Bit Summary Register Bit Bit Weight Operation complete bit 0 1 Query Error 2 4 Device Error 3 8 Execution Error 4

REMOTE INTERFACE 291 The Status Byte Register Description The Status Byte register consolidates the status events of all the status registers. Th

AFG-2225 Series User Manual 292 Standard Event The Event Status bit is set if an “enabled” event in the Standard Event Status Event Register has

APPDENIX 293 APPDENIX AFG-2225 Specifications The specifications apply when the function generator is powered on for at least 30 minutes under +18

AFG-2225 Series User Manual 294 Offset Range ±5 Vpk ac +dc (into 50Ω) ±10Vpk ac +dc (Open circuit) ±2.5 Vpk ac +dc (into 50Ω) for 20MHz-25MHz ±5V

APPDENIX 295 Peak Deviation DC to Max Frequency DC to Max Frequency Source Internal / External Internal / External Sweep Waveforms Sine, Squ

AFG-2225 Series User Manual 296 Input Impedance 10kΩ Frequency DC to 20kHz Trigger Output Type For Burst, Sweep, Arb Level TTL Compatible into

APPDENIX 297 Operating Altitude 2000 Meters Storage Temperature -10~70˚C, Humidity: ≤70% Dimensions (WxHxD) 266(W) x 107(H) x 293(D) mm Weight

AFG-2225 Series User Manual 298 EC Declaration of Conformity We GOOD WILL INSTRUMENT CO., LTD. No.7-1, Jhongsing Rd., Tucheng Dist., New Taipei C

INDEX 299 INDEX AM commands ... 218 Amplitude counter ... 140 Apply commands ... 200 ARB co

Table of Contents 3 Table of Contents SAFETY INSTRUCTIONS ... 6 GETTING STARTED ...

AFG-2225 Series User Manual 30 10. Press the output key. OUTPUT FM Example: FM modulation. 100Hz modulating square wave. 1kHz Sine wave carrier.

AFG-2225 Series User Manual 300 period ... 123 phase ... 125 trigger ...

INDEX 301 Save and recall ... 132 Save and Recall commands ... 271 SCPI registers ... 287 Screen lo

QUICK REFERENCE 31 9. Press MOD, FM (F2), Source (F1), INT (F1). our 10. Press the Output key. OUTPUT FSK Modulation Example: FSK m

AFG-2225 Series User Manual 32 9. Press the output key. OUTPUT PM Modulation Example: PM modulation. 800Hz sinusoidal carrier wave. 15 kHz modu

QUICK REFERENCE 33 10. Press the Output key. OUTPUT SUM Modulation Example: SUM modulation. 100Hz modulating square wave, 1kHz sinusoidal carrie

AFG-2225 Series User Manual 34 9. Press MOD, SUM (F5), Source (F1), INT (F1). our 10. Press the Output key. OUTPUT Sweep Example:

QUICK REFERENCE 35 9. Press 5 + 5 + 0 + Hz (F3). z 10. Press the Output key. OUTPUT 11. Press Sweep, Source (F1), Manual (F3), Trigger (F1

AFG-2225 Series User Manual 36 9. Press Burst, N Cycle (F1), TRIG set (F5), Delay (F4). ylstlay 10. Press 1 + 0 + uSEC (F2).

QUICK REFERENCE 37 ARB ARB–Add Built-In Waveform Example: ARB Mode, Exponential Rise. Start 0, Length 100, Scale 327. Output: 50ΩCH1 1. Press

AFG-2225 Series User Manual 38 3. Press Data (F2), 3+0+0, Enter (F2). atantr ARB- Add Line Example: ARB Mode, Add line, Address:Data (10:

QUICK REFERENCE 39 3. Press Length (F2), 1 + 0 + 0, Enter (F2), Return. nthntrReturn

AFG-2225 User Manual 4 Burst Mode ... 118 SECONDARY SYSTEM FUNCTION SETTINGS ...

AFG-2225 Series User Manual 40 Utility Menu Save Example: Save to Memory file #5. 1. Press UTIL, Memory (F1), Store (F1). morytor 2.

QUICK REFERENCE 41 Frequency Counter Frequency Counter Example: Turn on the frequency counter. Gate time: 1 second. Output: N/A Input: INOUTTrig

AFG-2225 Series User Manual 42 Coupling Frequency Coupling Example: Frequency Coupling 1. Press UTIL, Dual Chan (F4) to enter the coupling fun

QUICK REFERENCE 43 3. Couples the amplitude and offset between both channels. Any changes in amplitude in the current channel are reflected in th

AFG-2225 Series User Manual 44 Menu Tree Conventions Use the menu trees as a handy reference for the function generator functions and properties.

QUICK REFERENCE 45 ARB-Display Horizon Vertical Next Page Back Page OverviewDisplayClearEnterStartClearEnterLengthClearEnterCenterZoom inZoom

AFG-2225 Series User Manual 46 ARB-Edit Point Line Copy Clear ProtectEditClearEnterAddressDataStart ADDStart DataStop ADDStop DataStartLengthP

QUICK REFERENCE 47 ARB-Save Start Length Memory USBSaveSelectEnter CharBack SpaceSaveNew FolderEnter CharBack SpaceSaveNew FileMoreClearEnterC

AFG-2225 Series User Manual 48 ARB-Output OutputStart LengthClearEnterClearEnter MOD AM FM FSK PMIntEXTSource%DepthIntEXTSourceuHzmHzHzkHz

QUICK REFERENCE 49 SWEEP LinearLogSource Type Start Stop MoreIntEXTuHzmHzHzkHzMHzuHzmHzHzkHzMHzGo to the Sweep -More menuManualTrigger SWEEP

Table of Contents 5 SUM Modulation (SUM) Commands ... 236 SUM Overview ...

AFG-2225 Series User Manual 50 Burst- N Cycle Cycles Infinite Phase PeriodClearCycN CycleurstTRIG SetupClearDegreeuSECmSECSECIntRiseFallEXTTrigg

QUICK REFERENCE 51 UTIL Memory Cal. System Dual ChanStoreRecallDeleteSelf TestVersionUpgradeSoftwareLanguageSelectBeepDelete AllDoneHelpOffOf

AFG-2225 Series User Manual 52 Default Settings The Preset key is used to restore the default panel settings. rst Output Settings Function Sin

QUICK REFERENCE 53 Burst Burst frequency 1kHz Ncycle 1 Burst period 10ms Burst starting phase 0˚ Burst status Off System Settings Power off s

AFG-2225 Series User Manual 54 OPERATION The Operation chapter shows how to output basic waveform functions. For details on modulation, sweep, bur

OPERATION 55 Select a Waveform The AFG-2225 can output 5 standard waveforms: sine, square, pulse, ramp and noise. Sine Wave Panel Operation 1.

AFG-2225 Series User Manual 56 Square Wave Panel Operation 1. Press the Waveform key.  2. Press F2 (Square) to create a square wavefor

OPERATION 57 Setting the Pulse Width Panel Operation 1. Press the Waveform key.  2. Press F3 (Pulse) to create a pulse width wavefor

AFG-2225 Series User Manual 58 5. Press F2~F5 choose the unit range. n ~  Range Pulse Width 20ns~1999.9s Note Minimum Pulse Width Freq

OPERATION 59 4. Use the arrow keys and scroll wheel or number pad to enter the symmetry percentage. /  5. Press F2 (%) to choose %

AFG-2225 User Manual 6 SAFETY INSTRUCTIONS This chapter contains important safety instructions that should be followed when operating and storing

AFG-2225 Series User Manual 60 Setting the Frequency Panel Operation 1. Press the FREQ/Rate key. / 2. The FREQ parameter will become

OPERATION 61 Ramp wave 1μHz~1MHz

AFG-2225 Series User Manual 62 Setting the Amplitude Panel Operation 1. Press the AMPL key.  2. The AMPL parameter will become highlighted

OPERATION 63 Setting the DC Offset Panel Operation 1. Press the DC Offset key.  2. The DC Offset parameter will become highlighted in

AFG-2225 Series User Manual 64 MODULATION The AFG-2225 Series Arbitrary Function Generators are able to produce AM, FM, FSK, PM and SUM modulated

MODULATION 65 PM Wave Shape ... 94 PM Frequency ...

AFG-2225 Series User Manual 66 Amplitude Modulation (AM) An AM waveform is produced from a carrier waveform and a modulating waveform. The amplitu

MODULATION 67 Selecting AM Modulation Panel Operation 1. Press the MOD key.  2. Press F1 (AM).   AM Carrier Shape Background Sine, s

AFG-2225 Series User Manual 68 Select an Arbitrary Waveform Carrier Shape. 3. See the Arbitrary waveform quick reference or chapter to use an arb

MODULATION 69 4. Press F1~F5 to select the frequency range. uz ~ z Range Carrier Shape Carrier Frequency Sine wave 1μHz~ 25MHz Square wav

SAFETY INSTRUCTIONS 7 Double Insulated Do not dispose electronic equipment as unsorted municipal waste. Please use a separate collect

AFG-2225 Series User Manual 70 AM Frequency The frequency of the modulation waveform (AM Frequency) can be set from 2mHz to 20kHz. Panel Operat

MODULATION 71 5. Use the arrow keys and scroll wheel or number pad to enter the AM frequency. /  6. Press F1~F3 to select the freq

AFG-2225 Series User Manual 72 Modulation Depth Modulation depth is the ratio (as a percentage) of the unmodulated carrier amplitude and the minim

MODULATION 73 Range Depth 0%~120% Default depth 100% Note When the modulation depth is greater than 100%, the output cannot exceed ±5VPeak (10kΩ

AFG-2225 Series User Manual 74 Note If an external modulation source is selected, modulation depth is limited to ± 5V from the MOD INPUT terminal

MODULATION 75 Frequency Modulation (FM) A FM waveform is produced from a carrier waveform and a modulating waveform. The instantaneous frequency o

AFG-2225 Series User Manual 76 Selecting Frequency Modulation (FM) When FM is selected, the modulated waveform depends on the carrier frequency, t

MODULATION 77 FM Carrier Frequency When using the AFG-2225 function generator, the carrier frequency must be equal to or greater than the frequenc

AFG-2225 Series User Manual 78 Square 1μHz~15MHz Ramp 1μHz~1MHz Default frequency 1kHz FM Wave Shape The function generator can accept internal a

MODULATION 79 FM Frequency The frequency of the modulation waveform (FM Frequency) can be set from 2mHz to 20kHz. Panel Operation 1. Press the

AFG-2225 User Manual 8 Fuse WARNING  Fuse type: F1A/250V.  Only qualified technicians should replace the fuse.  To ensure fire protection,

AFG-2225 Series User Manual 80 4. The FM Freq parameter will become highlighted in waveform display panel. 5. Use the arrow keys and scroll

MODULATION 81 Frequency Deviation The frequency deviation is the peak frequency deviation from the carrier wave and the modulated wave. Panel Ope

AFG-2225 Series User Manual 82 Range Frequency Deviation DC~25MHz DC~15MHz(square) DC~1MHz (Ramp) Default depth 100Hz Selecting (FM) Modulation S

MODULATION 83 Note If an external modulating source is selected, the frequency deviation is limited to the ± 5V MOD INPUT terminal on the rear pan

AFG-2225 Series User Manual 84 Frequency Shift Keying (FSK) Modulation Frequency Shift Keying Modulation is used to shift the frequency output of

MODULATION 85 Selecting FSK Modulation When using FSK mode, the output waveform uses the default settings for carrier frequency, amplitude and off

AFG-2225 Series User Manual 86 FSK Carrier Frequency The maximum carrier frequency depends on the carrier shape. The default carrier frequency for

MODULATION 87 FSK Hop Frequency The default Hop frequency for all waveform shapes is 100 Hz. A square wave with a duty cycle of 50% is used for th

AFG-2225 Series User Manual 88 6. Press F1~F5 to select the frequency range. uz ~ z Range Waveform Carrier Frequency Sine wave 1μHz~25MHz

MODULATION 89 5. The arrow keys and scroll wheel or number pad to enter the FSK rate. /  6. Press F1~F4 to select the frequency un

SAFETY INSTRUCTIONS 9 (Pollution Degree) EN 61010-1:2010specifies pollution degrees and their requirements as follows. The function ge

AFG-2225 Series User Manual 90 FSK Source The AFG-2225 accepts internal and external FSK sources, with internal as the default source. When the FS

MODULATION 91 Phase Modulation (PM) The phase deviation of the carrier waveform deviates from a reference phase value in proportion to changes in

AFG-2225 Series User Manual 92 Selecting Phase Modulation (PM) When selecting PM, the current setting of the carrier frequency, the amplitude modu

MODULATION 93 PM Carrier Waveform Background PM uses a sine wave as default. Noise and Pulse waveform cannot be used with phase modulation. Panel

AFG-2225 Series User Manual 94 Range Carrier Wave Carrier Frequency Sine wave 1μHz~25MH Square wave 1μHz~15MHz Ramp wave 1μHz~1MHz Default freque

MODULATION 95 PM Frequency The frequency of the modulation waveform (PM Frequency) can be set from 2mHz to 20kHz. Panel Operation 1. Press the

AFG-2225 Series User Manual 96 5. Use the arrow keys and scroll wheel or number pad to enter the PM frequency. /  6. Press F1~F3 t

MODULATION 97 Phase Deviation The maximum phase deviation depends on the the carrier wave frequency and the modulated waveform. Panel operation

AFG-2225 Series User Manual 98 Range Phase deviation/shift 0~360° Defualt phase 180° Select the PM Source The function generator excepts internal

MODULATION 99