74HC942 Description
MM74HC942 300 Baud Modem January 1988 MM74HC942 300 Baud Modem General .74HC942 Features
* Y Y Y Y Y Y Y Y Y Y www. DataSheet4U. com MODULATOR SECTION The modulator contains a frequency synthesizer and a sine wave synthesizer It produces a phase coherent frequency shift keyed (FSK) output LINE DRIVER AND HYBRID SECTION The line driver and hybrid are designed to facilitate connection to a74HC942 Applications
* Y Y Y Y Y Y Y Y Built-in low speed modems Remote data collection Radio telemetry Credit verification Stand-alone modems Point-of-sale terminals Tone signalling systems Remote process control TRI-STATE is a registered trademark of National Semiconductor Corp Connection and Block Diagrams Dual-In-L
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