HT9142 Overview
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 longer battery life time
- High transmission rate: 1200 bps
- 20-pin TSSOP package (0.65mm Pitch)
