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Marker M1 indicates the receive band of the tower mounted amplifier. The level above the
0 dB reference level is the gain of the TMA. Marker M2 indicates the transmit band of the
amplifier where there is no gain.
4-16
Chapter 4 Measurements
Gain/Insertion Loss
TMA-DD PCS
M1: 12.17 dB @ 1882.36 MHz
Frequency (18250.0 - 2025.0 MHz)
1825
1850 1875
1900 1925 1950 1975 2000 2025
dB
10
-10
-20
-30
-40
-50
-60
-70
0
M1
Figure 4-12. TMA-DD Gain Measurement
- Site Master 1
- Model S251C 1
- Antenna and 1
- Cable Analyzer 1
- WARRANTY 3
- LIMITATION OF WARRANTY 3
- TRADEMARK ACKNOWLEDGMENTS 3
- Table of Contents 5
- Appendix A - Reference Data 7
- Appendix B - Windowing 7
- Chapter 1 8
- General Information 8
- Optional Accessories 9
- Performance Specifications 10
- Chapter 1 General Information 11
- Preventive Maintenance 13
- ESD Precautions 13
- Annual Verification 14
- Chapter 2 16
- Functions and Operations 16
- Front Panel Overview 17
- Function Hard Keys 18
- Keypad Hard Keys 19
- Soft Keys 21
- MODE=DTF: 22
- SOFTKEYS: 22
- FREQ/DIST 22
- AMPLITUDE 22
- Power Monitor Menu (Option 5) 25
- RF Source Menu 26
- Self Test 30
- Error Codes 31
- Range Errors 32
- Battery Information 33
- Battery Charge Indicator 34
- Battery Life 34
- Important Battery Information 35
- Chapter 3 36
- Getting Started 36
- Calibration 37
- ENTER key. The messages Mea 38
- ENTER key. The 38
- Figure 3-2. Calibration Setup 38
- Site Master S251C 39
- Setting the Scale 40
- Save and Recall a Setup 40
- Save and Recall a Display 40
- Recalling a Display 41
- Changing the Units 42
- Changing the Display Language 42
- Printing 43
- Printer Switch Settings 44
- Using the Soft Carrying Case 45
- Chapter 4 46
- Cable & Antenna 46
- Analysis 46
- MODE key 48
- Insertion Loss Measurement 50
- ´ Length (ft) = Loss (dB) 51
- MARKER key 55
- Two Port Measurements 57
- TMA Measurements 58
- Gain/Insertion Loss 59
- RX/TX ANT 60
- Chapter 4 Measurements 61
- EXTERNAL POWER 62
- SUPPLY (40-115) 62
- RF OUT TEST PORT 62
- (BIAS TEE) 62
- Antenna to Antenna Isolation 64
- 4-21/4-22 66
- Chapter 5 67
- Site Master Software Tools 67
- Installation 68
- Using Software Tools 69
- Plot Capture 70
- Plot Properties 70
- Trace Overlay or Plot Overlay 71
- Saving Traces 71
- Custom Cable List 72
- Creating a Database 73
- Printing Formats 73
- Appendix A 74
- Reference Data 74
- Appendix A Reference Data 75
- Appendix B 77
- Windowing 77
- Appendix B Windowing 78
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