HT9142 - FM IF Detector

Product Overview

Holtek Semiconductor

Part number	HT9142
Manufacturer	Holtek Semiconductor
File Size	147.28 KB
Description	FM IF Detector
Datasheet	HT9142 Datasheet
Additional preview pages of the HT9142 datasheet.

The HT9142 is designed for FM communication system devices.

It combines a paging system, mixer, IF limiter, Quadrature detector, operation amplifier, comparator and more.

Operating voltage: 1.1V~3.5V.
Constant power supply voltage can be generated by externally adding a transistor: VREG=1.0V typ.
Alarm function sensitivity: VALM=1.1V typ.
Low current consumption: ICCQ=1.1mA typ.
Built-in 2nd stage mixer for double conversion method.
Mixer operating frequency: 10MHz~50MHz.
Built-in low-pass filter and waveform shaping circuit enable the extraction of FSK signals from voice signals.
Built-in battery-saving function for l.

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Published: Jan 28, 2020 |