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MX128P [Cordless Telephone Scrambler ]

other parts : MX128DW  MX128 

MX-COM
MX-COM Inc

The MX128 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 3.3 kHz inversion carrier (injection tone).
3. A 3100 Hz lowpass filter.
4. Input op-amps with externally adjustable gain.

The MX128 uses mixed signal CMOS switched-capacitor filter technology and operates from a single supply in the range of 3.0V to 5.5V. The inversion carriers frequency and filter switching clock are generated on-chip using an external 10.24 MHz or 3.58/3.6864 MHz crystal or clock input (selectable).
The MX128 is available in the following package styles: 16-pin SOIC (MX128DW) and 16-pin PDIP (MX128P).

Features
● Full-Duplex Audio Processing
● On-Chip Filters
● Carrier Rejection >55dB
● Uses IF (10.24 MHz) Clock
● Requires No Extra Crystal
● Excellent Audio Quality
● Low Voltage 3.3V/5.0V Operation
● ECPA* Qualified Voice Protection

Applications
● Battery Powered Portability
● Cordless Telephones
● Wireless PBXs

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MX128P [Audio Band Scrambler ]

other parts : FX128D4  FX128E4  FX128P3  MX128  MX128DW  MX128E4  FX128 

CML
CML Microsystems Plc

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 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 carriers frequency and filter switching clock are
generated on-chip using an external 10.24 MHz or 3.58/3.6864 MHz crystal or clock input (selectable).
This device is available in the following package styles: 16-pin SOIC,TSSOP and PDIP.

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)

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