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XR-2121 - Bell 212A Type Modulator

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Part number XR-2121
Manufacturer Exar
File Size 370.97 KB
Description Bell 212A Type Modulator
Datasheet download datasheet XR-2121 Datasheet
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Description

The, XR-2121 is designed to provide the complete modulator function for a Bell 212A type modem.

The circuit accepts a synchronous serial data stream and generates either a 300 BPS frequency shift keyed (FSK) or a 1200 BPS differential phase shift keyed (DPSK) carrier signal.

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