TB 6-6625-2329-24
Table 1. Calibration Description - Continued
Test instrument parameters
Performance specifications
Pulse modulation
Pulse rate: Dc to 10 MHz
Pulse envelope on/off ratio:
Pulse range: 100 kHz to 500 MHz
Accuracy: >70 dB
Pulse range: 500 MHz to 1000 MHz
Accuracy: >50 dB
Amplitude modulation
Frequency range: 100 kHz to 1000 MHz
Depth: 0 to 99%
Accuracy: +4% of setting +1%
Distortion: <1%, 0 to 30% depth, 1 kHz rate
<2%, 30 to 80% depth, 1 kHz rate
Incidental PM: <0.20 Radians (30% AM depth at 1 kHz
mod frequency)
Modulated Frequency Response2
Range: 30 Hz to 10 kHz
Accuracy: < 0.4 dB
10 Hz to 50 kHz
Accuracy: < 1.0 dB
Deviation range:
Frequency modulation
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Modulating rate
<400 kHz (.01 to 31.25 MHz)
between 10 Hz and
<100 kHz (31.25 to 62.5 MHz)
100 kHz
<200 kHz (62.5 to 125 MHz)
<400 kHz (125 to 250 MHz)
<800 kHz (250 to 500 MHz)
<1600 kHz (500 to 1000 MHz)
<3200 kHz (1000 MHz and above)
Accuracy: (5% of setting + 20 Hz)
Incidental AM: <0.1% (>1 MHz carrier, 40 kHz deviation,
1 kHz rate)
0.5% for 50% deviation at 1 kHz rate
Distortion:
Modulation frequency response4
Range: 20 Hz to 100 kHz
Accuracy: < 0.5 dB
Phase modulation
Deviation range: 20 radians, 100 kHz to 31.25 MHz
5 radians, 31.25 to 62.5 MHz
10 radians, 62.5 to 125 MHz
20 radians, 125 to 250 MHz
40 radians, 250 to 500 MHz
80 radians, 500 to 1000 MHz
Accuracy: +(5% of setting + 0.1 radians)
Distortion: <0.5% at 1 kHz rate (50% maximum deviation)
External modulation frequency response5
Range: 10 Hz to 10 kHz
Accuracy: <1.0 dB
See footnotes at end of table.
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