Anritsu S251C manual Calibration Procedure Single Port

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Chapter 3 Getting Started

Calibration Procedure - Single Port

Check that the “CAL OFF” message is displayed in the upper left corner of the display. This indicates that the Site Master has not been calibrated. The following procedure details how to perform the calibration.

OPEN

SHORT

LOAD

CALIBRATION

RFOUT/REFLECTION TEST PORT

TEST PORT CABLE (OPTIONAL)

Site Master S332C

			ESCAPE
	1	2	CLEAR
	START	AUTO
	CAL	SCALE
	3	4
	SAVE	RECALL
	SETUP	SETUP
	5	6
	LIMIT	MARKER	ENTER
	7	8	ENTER
	7	8

SAVE RECALL RUN

DISPLAY DISPLAY HOLD

9 0 +/-

ON PRINT

OFF.

MODE

FREQ/DIST

AMPLITUDE

SWEEP

Figure 3-2. Calibration Setup

SYS

Step 1. Select the appropriate frequency range, as described in the procedure on page 3-2.

Step 2. Press the START CAL key. The message CONNECT OPEN TO RF Out PORT will appear in the display.

Step 3. Connect the calibrated Open and press the ENTER key. The messages Mea- suring OPEN and then CONNECT SHORT TO RF Out PORT will appear.

Step 4. Remove the Open, connect the calibrated Short and press the ENTER key. The messages Measuring SHORT and then CONNECT TERMINATION TO RF Out will appear.

Step 5. Verify that the calibration has been properly performed by checking that the CAL ON message is now displayed in the upper left corner of the display.

3-3

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Contents Site Master Model S251C Antenna Cable Analyzer Page Warranty Page Table of Contents Cable & Antenna Analysis Iii/iv Description Standard AccessoriesIntroduction Optional Accessories OptionsPerformance Specifications Description Site Master Performance Specifications 2 Preventive Maintenance ESD PrecautionsAnnual Verification Anritsu Service Centers Test Connector Panel Chapter Functions and OperationsFront Panel Overview Active Function Block Soft KeysFunction Hard Keys ModeKeypad Hard Keys ClearAuto Soft Keys MODE=FREQ FREQ/DIST SoftkeysMODE=DTF FREQ/DIST Softkeys Functions and Operations Amplitude Power Monitor Menu Option MODE=POWER Monitor SoftkeysRF Source Menu MODE=RF Source SoftkeysLimit Segment 1 Segment SYS Symbols Self TestError Codes Self Test ErrorsRange Errors ERRORD2Charging the Battery in the Site Master Battery InformationCharging a New Battery Charging the Battery in the Optional ChargerBattery Charge Indicator Battery LifeImportant Battery Information Power On Procedure Chapter Getting StartedSelect the Frequency or Distance CalibrationCalibration Procedure Single Port CalibrationCalibration Procedure Dual Port RF in Test Port RF OUT Test PortSave and Recall a Display Setting the ScaleSave and Recall a Setup Recalling a Display Changing the Display Language Set the Distance and Cable TypeChanging the Units Printing Printing a ScreenPrinter Switch Settings PrinterUsing the Soft Carrying Case Using the Site Master Soft Carrying CaseOne Port Measurements Line Sweep FundamentalsInformation Required for a Line Sweep MeasurementsTypical Line Sweep Test Procedures System Return Loss Measurement2is an example of a typical system return loss trace Procedure Cable Loss Mode Insertion Loss MeasurementType Attenuation dB/ft Length ft = Loss dB Procedure Return Loss Mode Distance-To-Fault DTF Transmission Line Test Procedure DTF-Return Loss ModeProcedure DTF-SWR Mode Antenna Subsystem Return Loss Test Vswr Two Port Measurements IntroductionTMA Measurements TMA-STMA Gain Measurement After Calibration TMA-DD 12. TMA-DD Gain Measurement TMA-D 14. TMA-D Gain Measurement Antenna to Antenna Isolation 15. System IsolationQuency settings for common systems Antenna-to-Antenna Isolation Measurement21/4-22 Features System RequirementsInstallation Communication Port SettingDownloading Traces from the Site Master Using Software ToolsInterface Cable Installation Plot Capture Plot PropertiesTrace Overlay or Plot Overlay Saving TracesCustom Cable List Saving a Plot to a SpreadsheetCreating a Database Printing FormatsCoaxial Cable Technical Data Appendix a Reference DataAppendix a Reference Data A-4 Appendix B Windowing ExamplesAppendix B Windowing B-4