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XR-2103 - FSK Modem Filter

Description

The XR-2103 is a Monolithic Switched-Capacitor Filter designed to perform the complete filtering function necessary for a Bell 103 Compatible Modem.

The XR-2103 is specifically intended for use with the XR-14412 ModulatorlDemodulator to form a complete stand alone two-chip modem.

Features

  • Single 5 Volt Operation Complete On Board Output Active Filters L.

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Other Datasheets by Exar (now MaxLinear)

Part Number Description
XR-2120 PSK Modem Filter
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Full PDF Text Transcription

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XR-2103 FSK Modem Filter GENERAL DESCRIPTION The XR-2103 is a Monolithic Switched-Capacitor Filter designed to perform the complete filtering function necessary for a Bell 103 Compatible Modem. The XR-2103 is specifically intended for use with the XR-14412 ModulatorlDemodulator to form a complete stand alone two-chip modem. I n addition to complete high and low bandpass filters, the XR-2103 contains internal mode switching, auto-zeroing limiter and dedicated duplexer op amp. An on board carrier detect circu it is also included to complete the overall system. Designed for crystal-controlled operation, the X R2103 operates from a 1.0 M Hz crystal or external clock. Buffered clock output is provided for the X R-14412. A self-test circuit is included.
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