Stereo System User Manual
Chapter 24  253
VXA Measurement Application
Analog Modulation Analysis (89601X Option 205)
FM Demodulation
Demodulator Bandwidth Same as selected measurement span
Modulation Index Accuracy ±0.1% of span, deviation < 2 MHz, 
modulation rate ≤500 kHz
Harmonic Distortion
Modulation Rate
< 50 kHz
≤500 kHz
 Deviation
 ≤200 kHz
≤2 MHz
Distortion
−50 dBc
−45 dBc
Spurious
Modulation Rate 
≤50 kHz 
≤500 kHz
 Deviation 
 ≤200 kHz 
 ≤2 MHz
Distortion 
−50 dBc 
−45 dBc
Cross Demodulation < 0.5% of span of FM on an 80% modulation 
index AM signal, modulation rate ≤1 MHz
Description Specifications
Supplemental 
Information










