Anritsu S113C Guia do Utilizador descarregar pdf (Página 90)

Remember, the resolution bandwidth must be equal to or less than the frequency separation

of the signal. Therefore, a 10 kHz resolution bandwidth must be used. The next larger filter,

30 kHz, containing some variation, would not resolve the two signals. Also, keep in mind

that noise side-bands (phase noise) can also affect resolution.

5-18

Chapter 5 Spectrum Analyzer Measurements

Figure 5-9. Measurement of Two Signals Having Equal Amplitudes , RBW = 30 kHz

Figure 5-10. Measurement of Two Signals Having Equal Amplitudes , RBW = 10 kHz

1 2 ... 85 86 87 88 89 90 91 92 93 94 95 ... 119 120

Site Master 1
S113C, S114C 1
S331C, and S332C 1
Antenna, Cable and 1
Spectrum Analyzer 1
WARRANTY 3
LIMITATION OF WARRANTY 3
TRADEMARK ACKNOWLEDGMENTS 3
Table of Contents 5
Chapter 3 - Getting Started 6
Chapter 6 - Power Measurement 8
Chapter 7 - Software Tools 8
Appendix A - Reference Data 8
Appendix B - Windowing 8
Chapter 1 9
General Information 9
Printers 10
Optional Accessories 11
Performance Specifications 12
Chapter 1 General Information 13
Preventive Maintenance 14
Calibration 14
Annual Verification 15
ESD Precautions 15
Chapter 2 17
Functions and Operations 17
Front Panel Overview 18
Function Hard Keys 19
Keypad Hard Keys 20
Soft Keys 22
MODE=DTF: 23
SOFTKEYS: 23
FREQ/DIST 23
AMPLITUDE 23
MODE=SPECTRUM ANALYZER: 24
Power Monitor Menu 34
Self Test 35
Error Codes 35
Description 36
Self Test Error Messages 36
Range Errors 37
InstaCal Error Messages 38
Battery Information 40
BATTERY INDI 41
Battery Life 42
2-27/2-28 43
Chapter 3 44
Getting Started 44
Site Master Mode 45
Calibration Verification 46
Manual Calibration Procedure 47
InstaCal Module Verification 48
Site Master S332C 49
Setting the Scale 50
Auto Scale 50
Amplitude Scale 50
Spectrum Analyzer Mode 52
Selecting Sweep Parameters 53
Adjusting Attenuator Settings 54
Save and Recall a Setup 55
Save and Recall a Display 55
Changing the Units 56
Changing the Display Language 56
Adjusting Markers 56
Adjusting Limits 56
Setting the System Language 58
Setting the System Impedance 58
Printing 59
Printer Switch Settings 60
Using the Soft Carrying Case 61
Chapter 4 62
Cable & Antenna 62
Measurements 62
MODE key 64
Insertion Loss Measurement 65
´ Length (ft) = Loss (dB) 66
Resolution 70
MARKER key 71
4-11/4-12 72
Chapter 5 73
AUTO mode, as the 74
MANUAL) mode, the 74
AM/FM Modulation 75
Frequency Modulation 76
Field Strength Measurements 78
Creating a Spectral Mask 79
EDIT and enter the 80
EDIT when done 80
Trace Overlay 81
Occupied Bandwidth 82
Channel Power Measurement 84
GSM Channel Power Measurement 84
Procedure 85
Adjacent Channel Power Ratio 87
Measurement Applications 89
Required Equipment 95
In-band Spurious Measurement 97
Field Strength 99
Antenna Calculations 100
5-29/5-30 101
Power Measurement 102
Chapter 6 102
Chapter 7 104
Software Tools 104
Installation 105
Using Software Tools 106
Plot Capture to the PC 107
Plot Upload to the Instrument 107
Plot Properties 107
Trace Overlay or Plot Overlay 108
Saving Traces 109
Creating a Database 110
Printing Formats 110
Uploading Antenna Factors 111
7-9/7-10 112
Appendix A 113
Reference Data 113
Appendix A Reference Data 114
Appendix B 116
Windowing 116
Appendix B Windowing 117

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