TB 9-6625-2182-35
NOTE
When indications specified in this procedure are not within
tolerance, perform the power supply check prior to making
adjustments.
a. Connect TI to autotransformer.
c. Set TI POWER switch to ON and allow at least 30 minutes for to stabilize.
8. Line Stability
a. Performance Check
(1) Connect frequency counter input A to TI OUTPUT RF.
(2) Set up frequency counter to read frequency.
(3) Press TI pushbuttons as listed in (a) through (c) below:
(a) INSTR PRESET.
(b) ENTRY - AMPTD.
(c) DATA 0 dBm.
(4) Record frequency counter indication.
(5) For each row in table 3, vary autotransformer voltage. Frequency counter will
indicate within limits specified in table 3 of the recorded value in (4) above.
Frequency counter
Autotransformer
indication at 100 MHz
voltage
(Hz)
indications
125 Vac
5
120 Vac
5
110 Vac
5
105 Vac
5
(6) Adjust autotransformer to 115 V ac.
b. Adjustments. No adjustments can be made.
9. Frequency Accuracy
a. Performance Check
(1) For each row in table 4, press TI ENTRY - FREQ pushbutton and enter DATA
frequency. Frequency counter will indicate within the limits specified.
