Figure 1. Time base verification hook-up.

Calibration Procedure For Signal Generator Model 68369Nv Page Navigation
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TB 9-6625-2323-24

7. Equipment Setup

WARNING

HIGH VOLTAGE is used or exposed during the performance of

DEATH ON CONTACT may result if

personnel fail to observe safety precautions.

REDUCE

OUTPUT(s) to minimum after each step within the

performance check where applicable.

a. Remove TI protective cover only as necessary to make adjustments.

CAUTION

Before connecting TI to power source, make sure TI is set to the

power source line voltage as shown on rear of TI.

b. Connect TI to 115 V ac power source.

c. Press LINE switch to OPERATE and allow at least one hour for TI to warm-up and stabilize.

d. Connect equipment as shown in figure 1.

Figure 1. Time base verification hook-up.

NOTE

TI must have power applied and in STANDBY or OPERATE

for at least 120 continuous hours before the frequency drift

specification can be verified.

e. Verify that the frequency difference meter drift is less than 5 parts in 10-8 per day.

f. Disconnect frequency difference meter from the TI and the time/frequency workstation.

8. Frequency Accuracy

a. Performance Check

(1) Connect equipment as indicated in figure 2.