TB 9-4931-535-35
Table 1. Calibration Description - Continued
Test instrument parameters
Performance specifications
Noise
Resolution bandwidth
Average reading
setting
(dBm)
30 kHz
<-100
10 kHz
<-104
3 kHz
<-108
1 kHz
<-111
300 Hz
<-115
100 Hz
<-122
30 Hz
<-127
10 Hz
<-132
3 Hz
<-137
Low frequency response
Frequencies: Pwr line freq., 5 kHz, 100 kHz, 1 MHz, and 10 MHz
Accuracy: < -120 dBm
Local oscillator sideband
Spurious responses: < -80 dB
Harmonic distortion
Spurious responses: < -80 dB
Frequency range: 3 Hz to 30 kHz
Accuracy: 20% of BW settings at 3 dB points
Selectivity (shape factor): <11:1 (60 dB BW/3 dB BW)
Tracking generator flatness
Flatness: 0.7 dB
SECTION II
EQUIPMENT REQUIREMENTS
calibration procedure. This equipment is issued with Secondary Transfer Calibration Set
AN/GSM-287. Alternate items may be used by the calibrating activity when the equipment
listed in table 2 is not available. 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 listed in table 2.
usage 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)
LOW PASS FILTER
Frequency: 13.31 MHz
TLC 14-3EF (TLC 14-3EF)
Frequency range: 1 kHz
Tektronix, Type SG505 (MIS-
Amplitude range: -20 dBm
30526/11)
Distortion: <90 dB
SYNTHESIZER/
Frequency range: 100 kHz to 40.1 MHz
Hewlett-Packard, Model
LEVEL GENERATOR
Amplitude range: -80 to +10 dBm
3335AOPT 001-K06 (MIS-
Accuracy: 0.075 dB
35958)
SECTION III
