Figure 2. Voltmeter - test equipment setup.

Calibration Rrocedure For Vector Voltmeter, Me-512/U And Models 8405A And 8405A-H16 Page Navigation
6

TB 9-6625-2213-24

(14) Set AMPLITUDE CHANNEL switch to A.

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

for -47 dBm output indication on measuring receiver.

(16) Set AMPLITUDE CHANNEL switch to B and AMPLITUDE MV-RANGE-DB

switch to -70 dB. CHANNEL B indication will be equal to or less than 10 V.

b. Adjustments. No adjustments can be made.

9. Voltmeter Accuracy

a. Performance Check

(1) Set TI CHANNEL switch to A position.

(2) Connect equipment as shown in figure 2.

(3) Adjust signal generator amplitude and frequency controls for frequency MHz

settings and amplitude dBm settings listed in table 3.

Select low pass filters from table 2 as needed.

Part of Accessories Kit, Hewlett-Packard, Model 11570A.

3Use power splitter for frequencies from 10 to 1000 MHz and UHF "T: connector for frequencies from 1 to 10 MHz.

4If loading occurs, remove 50

termination.

Figure 2. Voltmeter - test equipment setup.