ST7537HS1 HOME AUTOMATION MODEM .
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HALF DUPLEX ASYNCHRONOUS 2400bps FSK MODEM Tx CARRIER FREQUENCY SYNTHESIZED FROM EXTERNAL CRYSTAL LOW DISTORTION Tx SIGNAL Rx SENSITIVITY BETTER THAN 1mVRMS CARRIER DETECTION WATCH-DOG INPUT RESET AND MASTER CLOCK OUTPUTS FOR MICROCONTROLLER POWER AMPLIFIER BIAS CURRENT CONTROL (HIGH IMPEDANCE IN Rx MODE) SIMPLE AND ECONOMICAL APPLICATION SCHEMATICS COMPATIBLE WITH CENELEC EN 50065-1 AND FCC SPECIFICATION CARRIER DETECT CLAMPING ON RxD PROGRAMMABLE (ALLOWING DEMODULATION ON VERY LOW RECEIVE LEVEL, 1mVRMS TYPICALLY) PLCC28 (Plastic Chip Carrier) ORDER CODE : ST7537HS1 PIN CONNECTIONS RxFO AV DD VCM RAI DEMI SS 4 3 2 1 28 27...

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