Automatic intermodulation distortion analyzer

Details Automatic intermodulation distortion analyzer Automatic intermodulation distortion analyzer

H - Electricity

04

L

340/72

H04L 1/00 (2006.01) G01R 23/20 (2006.01)

Patent

CA 1164066

-10- AUTOMATIC INTERMODULATION DISTORTION ANALYZER Abstract A distortion analyzer is disclosed which auto- matically measures intermodulation distortion accord- ing to the SMPTE-IM method. Variations caused by gain or attenuation as function of frequency in the device under test are automatically compensated. This automa- tion is accomplished by sensing the carrier level of the SMPTE-IM test signal and using this information in an automatic level control loop formed with a voltage controlled amplifier earlier in the signal processing path.

375085

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