TB 9-6625-2009-24
(4) Position controls as listed in (a) through (e) below:
(a) ZERO CAL control for a peak display of spike.
(b) AMPLITUDE MODE LOG 1 dB/DIV pushbutton pressed.
(c) ZERO CAL control for a peak display.
(d) CAL 10 kHz control for a 9 division centered display.
(e) FREQUENCY control to 10 Hz.
(5) Adjust calibrator frequency to 10 Hz.
(6) Adjust ZERO CAL control for a peak indication. Display will indicate between
8.5 and 9.5 divisions.
(7) Position controls as listed in table 10. Reestablish 10 kHz, 9 division reference
level for each INPUT SENSITIVITY switch setting, using the calibrator output amplitude
values given in table 10 and the CAL 10 kHz control. Display will indicate within specified
limits.
Table 10. Frequency Response
Test instrument display
Test instrument
Calibrator
indications (divisions
reference at 9 div 10 kHz)
Output
INPUT SENSITIVITY
Frequency
amplitude
Frequency
Min
Max
switch settings (dB)
control
values (V)
20
Hz
0
20
Hz
1
8.7
9.3
1
kHz
0
1
kHz
1
8.7
9.3
20
kHz
0
20
kHz
1
8.7
9.3
50
kHz
0
50
kHz
1
8.5
9.5
10
Hz
-10
10
Hz
0.3162
8.5
9.5
20
Hz
-10
20
Hz
0.3162
8.7
9.3
1
kHz
-10
1
kHz
0.3162
8.7
9.3
20
kHz
-10
20
kHz
0.3162
8.7
9.3
50
kHz
-10
50
kHz
0.3162
8.5
9.5
10
Hz
-20
10
Hz
0.1
8.5
9.5
20
Hz
-20
20
Hz
0.1
8.7
9.3
1
kHz
-20
1
kHz
0.1
8.7
9.3
20
kHz
-20
20
kHz
0.1
8.7
9.3
50
kHz
-20
50
kHz
0.1
8.5
9.5
10
Hz
-30
10
Hz
0.0316
8.5
9.5
20
Hz
-30
20
Hz
0.0316
8.7
9.3
1
kHz
-30
1
kHz
0.0316
8.7
9.3
20
kHz
-30
20
kHz
0.0316
8.7
9.3
50
kHz
-30
50
kHz
0.0316
8.5
9.5
10
Hz
-40
10
Hz
0.01
8.5
9.5
20
Hz
-40
20
Hz
0.01
8.7
9.3
1
kHz
-40
1
kHz
0.01
8.7
9.3
20
kHz
-40
20
kHz
0.01
8.7
9.3
50
kHz
-40
50
kHz
0.01
8.5
9.5
b. Adjustments. No adjustments can be made.
14