CML音頻基帶擾頻器 FX128E4

CML音頻基帶擾頻器 FX128E4屬性

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CML音頻基帶擾頻器 FX128E4描述

FX128：CML Semiconductor Products Cordless Telephone Scrambler

Features
· Full-Duplex Audio Processing
· On-Chip Filters
· Carrier Rejection >55dB
· Uses IF (10.24MHz) Clock
· Requires No Extra Crystal
· Excellent Audio Quality
· Low Power Operation (3.0V)
· ECPA* Qualified Voice Protection
· Battery Powered Portability
· Cordless Telephones and Wireless PBX Applications

Brief Description
The FX128 is a full-duplex frequency inversion scrambler designed to provide secure conversations for 46/49 MHz cordless telephone users. The Rx and Tx audio paths consist of the following:
1. A switched-capacitor balanced modulator with high baseband and carrier rejection.
2. A 3.3kHz inversion carrier (injection tone).

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