Figure 5. Phase accuracy - equipment setup.

Calibration Rrocedure For Vector Voltmeter, Me-512/U And Models 8405A And 8405A-H16 Page Navigation
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TB 9-6625-2213-24

10. Phase Accuracy

a. Performance Check

(1) Adjust signal generator frequency controls to 400 MHz and amplitude controls to

-6.99 dBm.

(2) Connect equipment as shown in figure 5, CONNECTION A.

Figure 5. Phase accuracy - equipment setup.

(3) Adjust signal generator frequency controls for a 400.000 MHz indication on

frequency counter.

(4) Set AMPLITUDE CHANNEL switch to A and AMPLITUDE mV-RANGE-DB

switch to 300 mV.

(5) Adjust FREQ RANGE-MHz control so setting includes 400 MHz.

(6) Adjust signal generator amplitude controls for a TI AMPLITUDE meter

indication of 100 mV.

(7) Set PHASE RANGE switch to 180 and PHASE METER OFFSET switch to

0 degrees.