MC13173FTB ,INFRARED TRANSCEIVEROrder this document by MC13173/D ** * **The MC13173 is a low power infrared integrated system (IRI ..
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MC13173FTB
INFRARED TRANSCEIVER
--The MC13173 is a low power infrared integrated system (IRIS). It is a
unique blend of a split IF wideband FM receiver and a specialized infrared
LED transmitter. This device was designed to provide communications
between portable computers via a half duplex infrared link at data rates up to
200 kbps.
The receiver includes a mixer, IF amplifier and limiter and data slicer. The
IF amplifier is split to accommodate two low cost cascaded filters. The RSSI
output is derived by summing the output of both IF sections.
The transmitter section includes a frequency synthesizer, FSK modulator,
harmonic low pass filter and an IR LED driver. Transmitter Operates in Two Modes: On/Off Pulsing for Remote Control FSK Modulation at 1.4 MHz for Data Communications• Over 70 dB of RSSI Range Split IF for Improved Filtering and Extended RSSI Range Digitally controlled Via a Six Line Interface Bus Individual Circuit Blocks Can Be Powered Down When Not In Use for
Power Conservation
ORDERING INFORMATION
Order this document by MC13173/D
