Part Number
|
XR-2123 |
Manufacturer
|
Exar |
Description
|
PSK Modulator / Demodulator |
Published
|
Apr 5, 2018 |
Detailed Description
|
XR-2123/2123A
PSK ModulatorIDemodulator
GENERAL DESCRIPTION
FUNCTIONAL BLOCK DIAGRAMS
This series of devices provide...
|
Datasheet
|
XR-2123
|
Overview
XR-2123/2123A
PSK ModulatorIDemodulator
GENERAL DESCRIPTION
FUNCTIONAL BLOCK DIAGRAMS
This series of devices provide the modulator and demodulator for phase-shifted keyed modulated signals.
The devices have an on-chip digital-to-analog converter, allowing digital external programming of Bell 212A, CCITT V.
22 or V.
26 functions.
The XR-2123 provides the modulator and demodulator functions.
It is adequate for Bell 212A (1200 BPS only) and Bell 201 standards.
The XR-2123 requires a synchronous-to-asynchronous converter and scrambler-descrambler for the digital portion of the modem for 212A applications.
Level shifters and filtering is required for the analog portion.
The X R-2123A provides t...
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