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Direct Conversion FSK Data Receiver

This device is an advanced direct conversion receiver for operation up to 470MHz. The design is based on the SL6609 receiver and is a pin for pin product upgrade. The device integrates all functions to translate a binary FSK modulated RF signal into a demodulated data stream. Adjacent channel rejection is provided using tuneable gyrator filters. To assist operation in the presence of large interfering signals both RF and audio AGC functions are provided.

FEATURES

¡ö Very low power operation - typ 3.0mW

¡ö Single cell operation for most of the device. Limited functional blocks operating via an inverter

¡ö Superior sensitivity of -130dBm

¡ö Operation at wide range of paging data rates 512, 1200, 2400 baud

¡ö On chip 1 volt regulator

¡ö Small package offering SSOP

APPLICATIONS

¡ö Credit card pagers

¡ö Watch pagers

¡ö Small form factor pagers i.e. PCMCIA

¡ö Low data rate data receivers i.e. Security/remote control