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Interference and noise suppression circuit for FM receivers TDA1001B

GENERAL DESCRIPTION:
The TDA1001B is a monolithic integrated circuit for suppressing interference and noise in FM mono and stereo receivers.
Features:
• Active low-pass and high-pass filters
• Interference pulse detector with adjustable and controllable response sensitivity
• Noise detector designed for FM i.f. amplifiers with ratio detectors or quadrature detectors
• Schmitt trigger for generating an interference suppression pulse
• Active pilot tone generation (19 kHz)
• Internal voltage stabilization
Circuit Diagram:
Datasheet for TDA1001B:Download