MSM7557 Datasheet Single Chip MSK Modem with Compandor for Cordless Telephone

Manufacturer: OKI Electric

Datasheet Details

Part number	MSM7557
Manufacturer	OKI Electric
File Size	153.03 KB
Description	Single Chip MSK Modem with Compandor for Cordless Telephone
Datasheet	MSM7557 Datasheet

The MSM7557 is a single chip MSK modem with base band voice processor for cordless telephone.

The MSM7557 voice transmit block consists of high pass filter, compressor, pre-emphasis, limiter and splatter filter.

Voice receive block consists of Band pass filter, De-emphasis and Expander.

E2A0046-16-X1 ¡ Semiconductor ¡ Semiconductor MSM7557 This version: Jan.

1998 MSM7557 Previous version: Nov.

Available to transmit modem signal and also transmit base band voice signal through wireless transmission path (0.3 kHz to 3.4 kHz).
Built-in compandor circuit.
Upper limit of voice band (3306 Hz/3400 Hz/3500 Hz) is selectable.
Modem bit rate (2400/1200 bps) is selectable.
Transmit function and receive function operate separately.
Emphasis mode selectable.
Built-in bit synchronous detector and frame synchronous detector.
Bu.

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