TMA-DD Gain Measurement | Anritsu S251C instruction

Chapter 4 Measurements

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.

Gain/Insertion Loss

TMA-DD PCS

M1: 12.17 dB @ 1882.36 MHz

10
0
-10
-20
dB
-30
-40
-50
-60
-70	M1
-70

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Frequency (18250.0 - 2025.0 MHz)

Figure 4-12. TMA-DD Gain Measurement

4-16

Image 61

Anritsu S251C manual TMA-DD Gain Measurement

Contents

Site Master Model S251C Antenna Cable Analyzer Page Warranty Page Table of Contents Cable & Antenna Analysis Iii/iv Introduction Standard AccessoriesDescription Options Optional Accessories Performance Specifications Description Site Master Performance Specifications 2 ESD Precautions Preventive Maintenance Annual Verification Anritsu Service Centers Chapter Functions and Operations Test Connector Panel Active Function Block Soft Keys Front Panel Overview Mode Function Hard Keys Clear Keypad Hard Keys Auto MODE=FREQ FREQ/DIST Softkeys Soft Keys MODE=DTF FREQ/DIST Softkeys Functions and Operations Amplitude MODE=POWER Monitor Softkeys Power Monitor Menu Option MODE=RF Source Softkeys RF Source Menu Limit Segment 1 Segment SYS Self Test Symbols Self Test Errors Error Codes ERRORD2 Range Errors Charging a New Battery Battery InformationCharging the Battery in the Site Master Charging the Battery in the Optional Charger Battery Life Battery Charge Indicator Important Battery Information Chapter Getting Started Power On Procedure Calibration Select the Frequency or Distance Calibration Calibration Procedure Single Port RF in Test Port RF OUT Test Port Calibration Procedure Dual Port Save and Recall a Setup Setting the ScaleSave and Recall a Display Recalling a Display Changing the Units Set the Distance and Cable TypeChanging the Display Language Printing a Screen Printing Printer Printer Switch Settings Using the Site Master Soft Carrying Case Using the Soft Carrying Case Line Sweep Fundamentals One Port Measurements Measurements Information Required for a Line Sweep System Return Loss Measurement Typical Line Sweep Test Procedures 2is an example of a typical system return loss trace Insertion Loss Measurement Procedure Cable Loss Mode Type Attenuation dB/ft Length ft = Loss dB Procedure Return Loss Mode Procedure DTF-Return Loss Mode Distance-To-Fault DTF Transmission Line Test Procedure DTF-SWR Mode Antenna Subsystem Return Loss Test Vswr Introduction Two Port Measurements TMA-S TMA Measurements TMA Gain Measurement After Calibration TMA-DD 12. TMA-DD Gain Measurement TMA-D 14. TMA-D Gain Measurement 15. System Isolation Antenna to Antenna Isolation Antenna-to-Antenna Isolation Measurement Quency settings for common systems 21/4-22 System Requirements Features Communication Port Setting Installation Interface Cable Installation Using Software ToolsDownloading Traces from the Site Master Plot Properties Plot Capture Saving Traces Trace Overlay or Plot Overlay Saving a Plot to a Spreadsheet Custom Cable List Printing Formats Creating a Database Appendix a Reference Data Coaxial Cable Technical Data Appendix a Reference Data A-4 Examples Appendix B Windowing Appendix B Windowing B-4