TB 9-6625-2329-35
Table 1. Calibration Description - Continued
Test instrument parameters
Performance specifications
Modulation generator
Frequency range: 10 Hz to 100 kHz
Accuracy: +40 PPM
Level range: 2 mV to 2 V
Accuracy: +1% + 1 mV
Frequency response range:
Accuracy:
10 Hz to 20 kHz
+2.5%
20 Hz to 100 kHz
+3.5%
Distortion: >0.5 V level
Accuracy: <0.1% (10 Hz to 100 kHz)
1Verified
to -110 dB.
Verified from 30 Hz to 50 kHz.
2
2Verified to 400 kHz dev.
4Verified from 30 Hz to 50 kHz.
5Verified from 300 Hz to 5 kHz.
EQUIPMENT REQUIREMENTS
calibration procedure. This equipment is issued with Secondary Transfer Calibration
Standards Set AN/GSM-287. Alternate items may be used by the calibrating activity. The
items selected must be verified to perform satisfactorily prior to use and must bear evidence
of current calibration. The equipment must meet or exceed the minimum use specifications
standard and TI. Where the four-to-one ratio cannot be met, the actual accuracy of the
equipment is shown in parenthesis.
accessories, issued as indicated in paragraph 4 above, and are not listed in this calibration
procedure.
Manufacturer and model
Common name
Minimum use specifications
(part number)
Frequency: 10 Hz to 100 kHz
Boonton, Model 1121 (1121)
AUDIO ANALYZER
Distortion capability:
<0.1%
FREQUENCY
Frequency: 10 Hz to1000 MHz
Fluke, Model PM 6681/656
COUNTER
Accuracy:
(PM 6681/656)
+1.25 part in 10
10
FREQUENCY
Range capability: 1 part in 10
Tracor, Model 527E
9
DIFFERENCE METER
MEASURING
Power measurement:
Hewlett-Packard, Model 8902A
RECEIVER
Frequency: 100 kHz to 1000 MHz
w/sensor, Hewlett-Packard, Model
Level: +13 dB to -110 dB
11722A (11722A)
Accuracy: +0.375 dB
Flatness measurement:
Frequency: 100 kHz to 1000 MHz
Level: 0 dBm
Accuracy: +0.25 dB
