Datasheet Summary
CML Microcircuits
MUNICATION SEMICONDUCTORS
FX/MX128
Audio Band Scrambler
D/128/2 January 2003
Provisional Information
Features
- Full-Duplex Audio Processing
- On-Chip Filters
- Carrier Rejection >55dB
- Uses IF (10.24 MHz) Clock
- Excellent Audio Quality
- Low Power Operation (3.0V)
- Battery Powered Portability
Applications
- Cordless Telephones
- Wireless PBX
- Two-Way Radio
- Leisure Radio
(FRS, GMRS, MURS, PMR446)
1.1 Brief Description The FX/MX128 is a full-duplex frequency inversion scrambler designed to provide secure conversations. The Rx and Tx audio paths consist of the following:
1. A switched-capacitor balanced modulator with high baseband and carrier rejection. 2. A...