Gw-instek GRF-1300A Manuel d'utilisateur

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RF
&
Communication Trainer
GRF-1300A
STUDENT BOOK
USER MANUAL and TEXT BOOK
GW INSTEK PART NO. 82RF-1300AM01
ISO-9001 CERTIFIED MANUFACTURER
Vue de la page 0
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Résumé du contenu

Page 1 - Communication Trainer

RF & Communication Trainer GRF-1300A STUDENT BOOK USER MANUAL and TEXT BOOK GW INSTEK PART NO. 82RF-1300AM01 ISO-9001 CERTIFIED MANUFACTURE

Page 2

GRF-1300A User Manual and Teaching Materials Package Contents This package contains the GRF-1300A unit, RF cable – 3 * 10cm, 1*20cm,RF cab

Page 3 - Table of Contents

GRF-1300A User Manual and Teaching Materials diagram below. Up conversionDown conversionLωcLωω+Lcωω− We can see from the spectrum shift in

Page 4 - SAFETY INSTRUCTIONS

RF Communication and Signals Experiments Substituting U 011 1 2 2 3 322 221 1 2 2 3 333 331 1 2 2 3 331 3231231 2312(cos cos cos )( c

Page 5 - Safety Instructions

GRF-1300A User Manual and Teaching Materials 10lgIcRPGP= In the formula, both the RF input power RPand IF output power IP use dBm as the uni

Page 6

RF Communication and Signals Experiments non-linear distortion as shown in Figure 10-3 The figure shows that the conversion compressio

Page 7 - ABOUT THIS BOOK

GRF-1300A User Manual and Teaching Materials Experiment contents 1. Observe frequency shift. 2. Measure port isolation and conversion gai

Page 8 - NTRODUCTION to the GRF-1300A

RF Communication and Signals Experiments table 10-1. Step5 5. Adjust the frequency of the RF output in the RF Synthesizer/FM modul

Page 9

GRF-1300A User Manual and Teaching Materials 11. Maintain the same connections as used in step 10. Connect the output port in the Base Band

Page 10 - Package Contents

RF Communication and Signals Experiments shifting result 880MHz Amplitude of each frequency point: 890MHz Amplitude of each frequen

Page 11 - Usage Instructions

GRF-1300A User Manual and Teaching Materials Conversion gain Gain: IF In port isolation Isolation: Table 10 -2 Calculation of gain and iso

Page 12 - Baseband module

RF Communication and Signals Experiments FM modulated signal AM modulated signal 1. What are the characteristics of a bandpass filt

Page 13

Introduction to the GRF-1300A LO-IF ≥-35dBm Mixer+modulation ≥-60dBm Bandpass Filter Frequency Centre:

Page 14 - Circuit location of

GRF-1300A User Manual and Teaching Materials TEST for LEARNING OUTCOMES In the previous experiments, we introduced the concepts behind phase

Page 15

Test for Learning Outcomes Fault 2 Fault description Hypothesis: Verification: 2: FM F

Page 16 - HyperTerminal

GRF-1300A User Manual and Teaching Materials Fault description Hypothesis: Verification: Fault 3 Fault description: Hypothesi

Page 17 - Instruction Function

Test for Learning Outcomes Verification: 3:AM Fault Simulation Fault 1 Fault description: H

Page 18 - OVERVIEW of the TIME and

GRF-1300A User Manual and Teaching Materials Fault 3 Fault description Hypothesis: Verification: Fault 4 Fault description:

Page 19

Test for Learning Outcomes NOTES 113

Page 20

GRF-1300A User Manual and Teaching Materials NOTES 114

Page 21

Test for Learning Outcomes NOTES 115

Page 22

GRF-1300A User Manual and Teaching Materials 116 NOTES

Page 23

Appendix APPENDIX We have included some commonly-used conversion

Page 24

GRF-1300A User Manual and Teaching Materials used to adjust the frequency of the baseband signal. The baseband module is adjustable in 10kHz

Page 25

GRF-1300A User Manual and Teaching Materials The relationship between dB and dBc The figures in the table above are based on a 50Ω load.

Page 26 - AN INTRODUCTION to SPECTRUM

Appendix Resistor Values in π-type Resistance Attenuators 50

Page 27 - Resolution Bandwidth Filter

GRF-1300A User Manual and Teaching Materials Resistor Values in T-type Resistance Attenuators 50Ω50ΩR1 R2R3 dB R1 R2 R3 1 2.88 433.

Page 28 - Signal under test

Appendix Modulation Index and Sideband Amplitude Comparison Tabl

Page 29

GRF-1300A User Manual and Teaching Materials Declaration of Conformity We GOOD WILL INSTRUMENT CO., LTD. No. 7-1, Jhongsing Rd, Tucheng Dis

Page 30 - Results

Introduction to the GRF-1300A • The Four-digit display is used to display the frequency of the carrier s

Page 31

GRF-1300A User Manual and Teaching Materials 7. There are five test points (Tp1, Tp2, Tp3, Tp4, Tp5) on the panel. These five test points

Page 32

Introduction to the GRF-1300A Figure A-8. Software installation • Next, click on the “Continue Anywa

Page 33 - RF COMMUNICATION and SIGNALS

GRF-1300A User Manual and Teaching Materials Figure A-10. Operation interface for HyperTerminal 14

Page 34

Introduction to the GRF-1300A 15 9. Below is a table listing each instruction and a description of each fu

Page 35 - Frequency

GRF-1300A User Manual and Teaching Materials OVERVIEW of the TIME and FREQUENCY DOMAIN Observation from a different perspective When a sig

Page 36

Overview of the Time and Frequency Domain from an oscilloscope and power (dBm) from a spectrum analyzer. Voltage and power can be converte

Page 37

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

Page 38

GRF-1300A User Manual and Teaching Materials Time domain Frequency domain 18

Page 39

Overview of the Time and Frequency Domain NOTES 19

Page 40

GRF-1300A User Manual and Teaching Materials NOTES 20

Page 41

Overview of the Time and Frequency Domain NOTES 21

Page 42 - Harmonic Measurement

GRF-1300A User Manual and Teaching Materials NOTES 22

Page 43

Overview of the Time and Frequency Domain 23 NOTES

Page 44 - Amplitude

GRF-1300A User Manual and Teaching Materials AN INTRODUCTION to SPECTRUM ANALYZERS Spectrum analyzers are one of the most important instrume

Page 45

An Introduction to Spectrum Analyzers Figure B-1. The basic structure of a broadband receiver Tunable LOsRF Input Detec

Page 46

GRF-1300A User Manual and Teaching Materials Figure B-3. Basic structure of a resolution bandwidth filter Mixers AttenuatorsTunable LOs

Page 47

An Introduction to Spectrum Analyzers Figure B-5. The effect of different RBWs (2) Signal under testRBW ResultsRBW1RBW2

Page 48

Table of Contents Table of Contents SAFETY INSTRUCTIONS ...

Page 49

GRF-1300A User Manual and Teaching Materials Figure B-8 shows how the VBW affects the displayed output. If the signal under test passes thr

Page 50

An Introduction to Spectrum Analyzers NOTES 29

Page 51

GRF-1300A User Manual and Teaching Materials NOTES 30

Page 52

An Introduction to Spectrum Analyzers RF COMMUNICATION and SIGNALS EXPERIMENTS In this chapter we will explain the basic ope

Page 53

GRF-1300A User Manual and Teaching Materials Experiment 1: Basic Operation of a Spectrum Analyzer Relevant information In addition to the s

Page 54 - Signal Spectrum

RF Communication and Signals Experiments 33 The figure above is a screen shot from a typical spectrum analyzer display. The horizonta

Page 55 - 3rd Harmonic measurement

GRF-1300A User Manual and Teaching Materials Step3 F1 30 Step4 BWF1 3. Now we should see some signals on the spectrum analyzer screen.

Page 56

RF Communication and Signals Experiments Frequency: _____Amplitude:_____ Frequency: _____Amplitude:_____ Table 1-1. Frequency and

Page 57

GRF-1300A User Manual and Teaching Materials Experiment 2: Measuring a Baseband Waveform Relevant information Relative to oscilloscopes, sp

Page 58

RF Communication and Signals Experiments Step2 UP Step3 3. Connect the baseband signal from the output port of the GRF-1300A to the

Page 59

GRF-1300A User Manual and Teaching Materials SAFETY INSTRUCTIONS This chapter contains important safety instructions that should be followed

Page 60

GRF-1300A User Manual and Teaching Materials After step 6 is done, make sure the "Delta" marker is used for the next steps and no

Page 61

RF Communication and Signals Experiments The 2nd harmonic ratio is: The 3rd harmonic ratio is: Table 2-1. 1MHz sine wave spectr

Page 62

GRF-1300A User Manual and Teaching Materials Experiment 3: Different Baseband Waveforms and their Harmonic Measurement Relevant information

Page 63

RF Communication and Signals Experiments Experiment principles Set the waveform on the GRF-1300A and measure the harmonic spectrum. S

Page 64 - ( ) cos cos( ) cos( )

GRF-1300A User Manual and Teaching Materials • Reference level: 0dBm • RBW: Auto Step1 F10 Step2 F15 Step3 AmplitudeF1 Step4 F1 5.

Page 65

RF Communication and Signals Experiments Step9 Marker After the spectrogram on table 3-3 is drawn, measure the harmonic ratio of e

Page 66

GRF-1300A User Manual and Teaching Materials Table 3-2. Time domain waveform of the 1MHz triangle wave. Table 3-3. 1MHz square wave spec

Page 67

RF Communication and Signals Experiments 2. For the triangle waveform, measure the harmonic ratio of the 3rd and 5th harmonic. For t

Page 68

GRF-1300A User Manual and Teaching Materials Harmonic ratio of the 2nd harmonic (square wave) Harmonic ratio of the 3rd harmonic (square

Page 69

RF Communication and Signals Experiments Experiment 4: Measurement of the RF Carrier Relevant information In communication systems, R

Page 70

Safety Instructions (Measurement categories) EN 61010-1:2010 specifies the measure

Page 71

GRF-1300A User Manual and Teaching Materials Figure 4-1. PLL circuit structure Above: PD is the phase-locked loop phase detector, LF is

Page 72 - 1. Time domain analysis

RF Communication and Signals Experiments Experiment contents 1. Measure the RF signal spectrum. 2. Measure the harmonic distortion o

Page 73

GRF-1300A User Manual and Teaching Materials For the last two steps, the span is quite large, and may produce some errors. To find the seco

Page 74 - () cos[ () ]

RF Communication and Signals Experiments marker function on the spectrum analyzer to measure the value. Step6 Marker1 0 Record the

Page 75

GRF-1300A User Manual and Teaching Materials Step12 F11 0 Step13 Record the carrier power. Set the deviation carrier frequency fm to a

Page 76

RF Communication and Signals Experiments Table 4-2. RF Signal Spectrum 2nd Harmonic measurement 3rd Harmonic measurement 53

Page 77

GRF-1300A User Manual and Teaching Materials 3. Phase noise measurement results Carrier Frequency Experiment results 875MHz Carrier frequ

Page 78

RF Communication and Signals Experiments Questions 1. A PLL circuit is formed by which parts? Explain the function of each part. 2.

Page 79

GRF-1300A User Manual and Teaching Materials NOTES 56

Page 80

RF Communication and Signals Experiments NOTES 57

Page 81

GRF-1300A User Manual and Teaching Materials Disposal Do not dispose this device as unsorted municipal waste. Please use a separate collect

Page 82

GRF-1300A User Manual and Teaching Materials NOTES 58

Page 83 - Systems

RF Communication and Signals Experiments NOTES 59

Page 84

GRF-1300A User Manual and Teaching Materials Experiment 5: AM Signal Measurement Relevant information Message signals are usually of a low

Page 85

RF Communication and Signals Experiments This experiment begins with AM to learn some modulation theory. AM uses the modulating signal

Page 86

GRF-1300A User Manual and Teaching Materials (unmodulated state) to an AM wave (modulated state). Figure 5-1. A diagram showing how an unmod

Page 87

RF Communication and Signals Experiments Figure 5-3. Spectrum of an AM wave Ucm1/2maUcm1/2maUcmc −ωΩcω+Ωcω From the above analy

Page 88 - 2MHz frequency

GRF-1300A User Manual and Teaching Materials 4. Set up the GSP-730 as follows: • Center frequency:880MHz • Span: 5MHz • Reference level

Page 89

RF Communication and Signals Experiments 8. Turn the potentiometer clockwise to the maximum. Adjust the UP button on the Baseband modu

Page 90

GRF-1300A User Manual and Teaching Materials Experiment results 1. Changing modulating voltage Modulating voltage Experiment results Vpp:

Page 91

RF Communication and Signals Experiments Carrier power: :_____ Modulation index: :_____Lower sideband power: :_____ Conclusion: 2.

Page 92

Introduction to the GRF-1300A ABOUT THIS BOOK This textbook was developed in conjunction with the GRF-1300A

Page 93

GRF-1300A User Manual and Teaching Materials 600kHz Carrier power: :_____ Lower sideband power: :_____ Conclusion: 3. Changing the carr

Page 94

RF Communication and Signals Experiments 878MHz Conclusion: Questions 1. If we change the frequency of the modulating wave but k

Page 95 - Commands

GRF-1300A User Manual and Teaching Materials Experiment 6: FM signal measurement Relevant information Since frequency modulation is a commo

Page 96 - 5MHz frequency

RF Communication and Signals Experiments And the carrier signal is uc(t) = Ucm cosωc t = Ucmcos2πfc t An FM signal varying to change

Page 97

GRF-1300A User Manual and Teaching Materials is the offset of the angular frequency determined by the modulating signal UΩ The general expre

Page 98 - Experiment 10: Mixer

RF Communication and Signals Experiments carrier frequency. The amplitude of each component depends on the Bessel functions. Theoretic

Page 99 - ()sut () cos(

GRF-1300A User Manual and Teaching Materials low-pass filter passband to achieve a phase-locked FM wave. When the center frequency of the VC

Page 100 - ...ia auau au

RF Communication and Signals Experiments Step1 F18 0 Step2 F15 Step3 F10 Step4 F1 4. Use the Marker function on the spectrum a

Page 101

GRF-1300A User Manual and Teaching Materials Step10 UP 10.Change the modulating signal frequency to 1MHz. Observe the change in the spectru

Page 102

RF Communication and Signals Experiments Experiment results 1. Changing the amplitude of the modulating signal. Modulating voltage E

Page 103 - 1dB compression

GRF-1300A User Manual and Teaching Materials INTRODUCTION to the GRF-1300A The GRF-1300A is a well designed training kit capable of producin

Page 104

GRF-1300A User Manual and Teaching Materials Frequency deviation: FM index: Conclusion 2. Changing the frequency of an FM signal. Modula

Page 105

RF Communication and Signals Experiments 1MHz Conclusion 3. Changing the carrier frequency Carrier frequency Experimental res

Page 106

GRF-1300A User Manual and Teaching Materials 890MHz Conclusion 4. Draw a table to record the time domain waveform of the AM wave that is

Page 107

RF Communication and Signals Experiments Experiment 7: Using a Spectrum Analyzer in Communication Systems Relevant information ACPR a

Page 108 - Isolation:

GRF-1300A User Manual and Teaching Materials Experiment principles 1. ACPR Measurement ACPR (Adjacent Channel Power Ratio) is the ratio of

Page 109

RF Communication and Signals Experiments In accordance with the definition of ACPR (Figure 7-2), we know that ACPR =10 log (Padj /Pca

Page 110 - TEST for LEARNING OUTCOMES

GRF-1300A User Manual and Teaching Materials 3. Set up the GSP-730 as follows: • Center frequency:880MHz • Span: 10MHz • Reference leve

Page 111 - 2: FM Fault Simulation

RF Communication and Signals Experiments Set the bandwidth of the main channel to 2MHz. Step3 F2 Set the main channel space to 5MHz.

Page 112

GRF-1300A User Manual and Teaching Materials 1MHz frequency deviation results 2MHz frequency deviation results Table 7-1. ACPR measureme

Page 113 - 3:AM Fault Simulation

RF Communication and Signals Experiments 1MHz frequency deviation results 2MHz frequency deviation results Table 7-2. OCBW measur

Page 114

Introduction to the GRF-1300A functions. This allows students to see in detail how the theory relates to th

Page 115

GRF-1300A User Manual and Teaching Materials Experiment 8: Measurement of communication products Relevant information The computer mouse ha

Page 116

RF Communication and Signals Experiments Experiment principles In this experiment we will use a 2.4G wireless mouse. It uses the so-ca

Page 117

GRF-1300A User Manual and Teaching Materials 4. A connection diagram is shown below.  5. A blue tooth device or wireless network card

Page 118

RF Communication and Signals Experiments Experiment 9: Production Line Applications Relevant information A spectrum analyzer can be u

Page 119 - APPENDIX

GRF-1300A User Manual and Teaching Materials Set the amplitude and frequency of each point. Use the arrow keys to move the cursor to each

Page 120 - P = =>

RF Communication and Signals Experiments Limit line Commands meas:lmtline:on Turns the limit lines on. Parameters: 0(low limit lin

Page 121 - Appendix

GRF-1300A User Manual and Teaching Materials Step5 F3 Step6 F1 F2 Below the display, you can set the magnitude and frequency of each point

Page 122

RF Communication and Signals Experiments 10MHz frequency deviation test results. 95

Page 123

GRF-1300A User Manual and Teaching Materials Experiment 10: Mixer Relevant information In experiment 5 and 6 we introduced how the signal i

Page 124 - Declaration of Conformity

RF Communication and Signals Experiments modulated signal constant, only to increase (up-conversion) odecrease (down conversion) the c

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