Basic EMC (Electromagnetic Compatibility) Technology Advancement for C3 Systems. Volume 1B. Demodulation Radio Frequency Interference Effects in Operational Amplifier Circuits.
1985
Abstract : Since monolithic integrated operational amplifier (op amps) have become important building blocks in today's control and communications systems, a series of investigations have been carried out to determine RFI effects in analog circuits using op amps as active device. The specific RFI effect investigated is demodulations of amplituder-modulated (AM) RF signals in op amp circuits to produce undesired low frequency responses at the AM-modulations frequency. Subsequently, the undesired demodulation responses may be processed in a manner similar to a desired low frequency signal by the low frequency components that follow the order nonlinear transfer function. Keywords include: Electromagnetic compatibility, Electromagnetic interference, Operational amplifiers, Macromodel, Nonlinear response, and Nonlinear transfer function.
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