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HT9142 - FM IF Detector

General Description

The HT9142 is designed for FM communication system devices.

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

Key Features

  • 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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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HT9142 FM IF Detector Features · 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 longer battery life time · High transmission rate: 1200 bps · 20-pin TSSOP package (0.65mm Pitch) General Description The HT9142 is designed for FM communication system devices. It combines a paging system, mixer, IF limiter, Quadrature detector, operation amplifier, comparator and more.