CML FX128
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.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
A switched-capacitor balanced modulator with high baseband and carrier rejection. 2. A 3.3 kHz inversion carrier (injection tone). 3. A 3100 Hz lowpass filter. 4. Input op-amps with externally adjustable gain. The FX/MX128 uses mixed signal CMOS switched-capacitor filter technology and operates from a single supply in the range of 3.0 to 5.5 volts. The inversion c