Single?밅hip 300?밄aud Modem

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Single-Chip 300-Baud Modem

Overview The MC145443B has been discontinued. Suggested replacement: none.The MC145443B is a silicon-gate CMOS single-chip, low-speed modem containing a complete frequencyshift keying (FSK) modulator, demodulator, and filter. This device is compatible with Bell 103 specifications.The MC145443B provi \n\t•Compatible with Bell 103\n\t•Low-Band and High-Band Band-Pass Filters On-Chip\n\t•Simplex, Half-Duplex, and Full-Duplex Operation\n\t•Originate and Answer Mode\n\t•Analog Loopback Configuration for Self Test\n\t•Hybrid Network Function On-Chip\n\t•Carrier Detect Circuit On-Chip\n\t•Adjustable T;

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