TB 9-6625-2271-50
(3) Press keys as listed in (a) and (b) below.
(a) LCL INIT.
(b) ANALYZER FREQ.
(4) Set synthesizer/function generator for a square wave, 100 Hz, 3 mV output. TI
will indicate between 99.99 and 100.01 Hz
(5) Repeat technique of (4) above using synthesizer/function generator settings and
TI indications listed in table 5.
Synthesizer/function generator
Test instrument frequency
settings
indications
(kHz)
(V)
Min
Max
1
.003
999.9
Hz
1000.1
Hz
100
.003
99.99 kHz
100.01 kHz
40 Hz
1.5
39.999 Hz
40.001 Hz
190 Hz
1.5
189.999 Hz
190.001 Hz
210 Hz
1.5
209.99 Hz
210.01 Hz
1.9
1.5
1899.99 Hz
1900.01 Hz
2.1
1.5
2099.9
2100.1
Hz
Hz
19
1.5
18999.9
19000.1
Hz
Hz
21
1.5
20.999 kHz
21.001 kHz
190
1.5
189.999 kHz
190.001 kHz
210
1.5
209.99 kHz
210.01 kHz
490
1.5
489.99 kHz
490.01 kHz
b. Adjustments. No adjustments can be made.
11. Filters Frequency Accuracy
a. Performance Check
(1) Connect calibrator OUTPUT HI and LO to TI INPUT HIGH and LOW using
balanced cable.
(2) Press keys as listed in (a) through (c) below.
(a) LCL INIT.
(b) INPUT FLOAT.
(c) FILTERS LP 30.
(3) Set calibrator for a 1 V, 1 kHz output.
(4) Press TI RATIO key to establish reference at 1 kHz.
(5) Set calibrator frequency to 27.99 kHz. TI will indicate >70.7 percent.
(6) Set calibrator frequency to 32.01 kHz. TI will indicate <70.7 percent.
