Audio Band Scrambler

The FX128 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 FX128 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 carrier's 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. By Consumer Microcircuits Limited
MX128 's PackagesMX128 's pdf datasheet
FX128
FX128D4
MX128DW
FX128E4
MX128E4




MX128 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
MX128 Application circuits
MX128 circuits
This is one application circuit of MX128,If you need more circuits,please download MX128's pdf datasheet.


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