TB 9-6625-2009-24
(4) Adjust CAL 10 kHz control for a display at 90 percent of full scale.
(5) Set AMPLITUDE REF LEVEL switch and adjust calibrator output amplitude
as listed in table 7. Display will indicate within limits specified.
Table 7. Reference Amplitude (LIN)
Test instrument
Calibrator output amplitude values
AMPLITUDE REF LEVEL
(dBm)
Display indications
switch settings
+13.01
(1 V)
NORMAL
90% (CAL) reference
-10
- 0.97 (200 mV)
90% 1.5 minor div
-20
- 6.99 (100 MV)
90% 1.5 minor div
-30
- 20.97
(20 mV)
90% 1.5 minor div
-40
- 26.99
(10 mV)
90% 1.5 minor div
-50
- 40.97
(2 mV)
90% 1.5 minor div
-60
- 46.99
(1 mV)
90% 1.5 minor div
-70
- 60.97
(0.2 mV)
90% 1.0 major div
(6) Press AMPLITUDE MODE LOG 10 dB/DIV pushbutton and set AMPLITUDE
REF LEVEL switch to NORMAL.
(7) Connect multimeter to TI RECORDER Y-AXIS (rear panel).
(8) Adjust calibrator output amplitude for -56.99 dBm (0.3162 mV).
(9) Adjust SWEEP MODE MANUAL VERNIER and ZERO CAL controls for a
peak display.
(10) Adjust CAL 10 kHz control for a 1.5 V indication on multimeter.
(11) Set AMPLITUDE REF LEVEL switch to settings listed in table 8. Multimeter
will indicate within limits specified.
Table 8. Amplitude Reference (LOG)
Multimeter indications (V)
Test instrument AMPLITUDE REF
LEVEL switch settings
Min
Max
-10
1.98
2.02
-20
2.48
2.52
-30
2.97
3.03
-40
3.47
3.53
-50
3.96
4.04
-60
4.46
4.54
-70
4.95
5.05
b. Adjustments. No adjustments can be made.
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