TB 9-6625-152-24
Table 1. Calibration Description.
Test instrument parameters
Performance specifications
Frequency
Range: 400.0 kHz to 1.05 GHz
Accuracy: 1 X 10-7
Output Level
Range: -141 to -21 dBm, N-type output; -115 to +5 dBm, BNC output
Accuracy: 2.0 dB at levels >-127 dBm, to 1 GHz
Residual FM
Range: 400 kHz to 1.05 GHz
Accuracy: <12 Hz rms, 300 Hz to 3.4 kHz bandwidth
Range: 400 kHz to 1.05 GHz
Accuracy: <-25 dBc
Spurious Signals
Range: 400 kHz to 1.05 GHz
Accuracy: <-50 dBc
Single Sideband Phase Noise
Range: 400 kHz to 1.05 GHz
Accuracy: <-108 dBc/Hz @ 20 kHz offset (2947); <-108 dBc/Hz @ 20 kHz
offset, to 1 GHz (2947A)
AM (Internal)
Range: 1.5 MHz to 1.0 GHz
Accuracy: 5% 1 digit, for mod freq of 1 kHz @ 50% depth (2947);
5% 1 digit, for mod freq of 1 kHz @ 50% depth, CW <400
MHz; 7% 1 digit, for mod freq of 1 kHz @ 50% depth,
CW >400 MHz (2947A)
FM (Internal)
Range: 400 kHz to 1.05 GHz, 75 kHz max dev @ 20 Hz to 20 kHz
mod freq (2947); 400 kHz to 1.05 GHz, 75 kHz max dev @ 20 Hz
to 25 kHz mod freq (2947A)
Accuracy: 7% 10 Hz @ 1 kHz mod freq (2947); 7% @ 1 kHz mod freq
10% @ mod freq from 50 Hz to 15 kHz (2947A)
AUDIO ANALYZER
Range: 0 to 100 mV to 0 to 100 V rms in a 1, 3 and 10 sequence, DC and
50 Hz to 50 kHz , AC only: 50 Hz to 50 kHz
Accuracy: DC: 1% 50 mV resolution up to 40 V. (Resolution is 1 mV
or 1% of reading)
AC: 3% 3 mV resolution up to 30 V rms, (Resolution is
1 mV or 1% of reading)
Audio Frequency Meter
Range: 20 Hz to 50 kHz
Accuracy: Same as freq std 1 digit resolution, (Resolution is 0.1 Hz @
<10 kHz and 1 Hz @ 10 kHz)
Audio Distortion Meter
Range: 1 kHz, 0 to 30% (2947); 1 kHz 0 10 and 0 to 30% (2947A)
Accuracy: 5% reading 0.5% distortion
Audio Sinad Meter
Range: 1 kHz, 0 to 50 dB (2947); 1 kHz, 0 to 18 and 0 to 50 dB
Accuracy: 1 dB
Audio S/N Meter
Range: 0 to 30 dB and 0 to 100 dB
Accuracy: 1 dB
Range: 50 Hz to 50 kHz
Accuracy: TI must track signal input frequency across range 50 mV
(2947A only)
RF Frequency Meter
Range: 400 kHz to 1.05 GHz
Accuracy: Same as freq std resolution, (Resolution is 1 Hz or 10 Hz
selectable)
RF Power Meter
Range: 5 mW to 150 W, (N-type) 200 kHz to 1.05 GHz (2947);
5 mW to 150 W, (N-type) 400 kHz to 1.05 GHz (2947A)
Accuracy: 10% resolution (Resolution is 0.1 dB) (2947);
10% resolution (Resolution is 0.1 dB) to 1 GHz (2947A)
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