TB 9-6625-2102-35
Audio analyzer indications
(<%)
0.5
(5) Set FREQ/MULT (Hz) switch to 100K.
(6) Measure distortion at 100 kHz. Audio analyzer will indicate within limit shown
in table 17.
Audio analyzer indications
(<%)
1
(7) Adjust TI AMPLITUDE control fully ccw and disconnect audio analyzer.
as indicated on audio analyzer (R).
15. Main Generator Frequency
a. Performance Check
(1) Connect TI FUNCTION OUT (50 Ω) to frequency counter input A.
(2) Set up frequency counter to measure frequency (50 Ω).
and FREQ MULT (Hz)
(3) Set main generator FUNCTION switch to
VERNIER control fully cw to CAL.
(4) Set TI FREQ/MULT(Hz) to switch settings and frequency dial position for each
row in table 18. If measured frequency using frequency counter does not indicate within
limits, perform b (1) below.
Test instrument
Frequency counter indications (kHz)
Test instrument
FREQ MULT (Hz)
Frequency dial
Adjustments
switch settings
positions
Min
Max
10
K
2.0
19.6
20.4
R10, R81 (R)
10
K
1.0
9.7
10.3
1
K
1.0
0.97
1.03
1
K
2.0
1.96
2.04
R562 (R)
100
2.0
0.196
0.204
100
1.0
0.097
0.103
10
M
1.2
11360.
12640.
10
M
2.0
19200.
20800.
C68 (R)
1
M
2.0
1960.
2040.
C125 (R)
100
K
2.0
196.
204.
C62 (R)
Set frequency dial to .02 and adjust R8 (fig. 2) for 200 Hz on frequency counter.
1
Connect multimeter between TP1 and TP2 ground (fig. 2). Adjust R56 (fig. 2) for 0 1 mV dc on digital multimeter (R).
2
