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150 Chapter 11
Analog Demodulation Measurement Application
Amplitude Modulation - Distortion
Amplitude Modulation - Distortion
Description Specifications Supplemental Information
Residual
Depth: 50%
Rate: 1 - 10 kHz
THD
Distortion
SINAD
0.16% (nominal)
0.3% (nominal)
50 dB (nominal)
Absolute Accuracy
Depth: 50%
Rate: 1 - 10 kHz
THD
Distortion
SINAD
±1% of measured value +
residual (nominal)
Measured 2
nd
and 3
rd
harmonics
±1% of measured value +
residual (nominal)
±0.05 dB + effect of residual (nominal)
FM Rejection 0.5% (nominal)
AF + deviation < 0.5 × channel BW
AF < 0.1 × channel BW
Residual AM
RF 500 kHz - 20 GHz
0.2% (nominal)
Measurement Range
Depth: 50%
Rate: 1 - 10 kHz
THD
Distortion
SINAD
residual to 100%
Measured 2nd and 3rd harmonics
Measurement includes at most 10 harmonics
residual to 100%
0 dB to residual