HT9142 Datasheet - Holtek Semiconductor

HT9142 FM IF Detector

The HT9142 is designed for FM communication system devices. It combines a paging system, mixer, IF limiter, Quadrature detector, operation amplifier, comparator and more. The HT9142 could provide the customer¢s PAGER system with total solution along with Holtek¢s POCSAG Pager Controller series prod.

HT9142 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

HT9142-HoltekSemiconductor.pdf