Digital/Analogue Two-Way Radio Products

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CMX138A

FX/MX465

CMX7031
 
CMX7041

CMX148

CMX881 CMX882 CMX883

 

Description

Audio Scrambler   and Sub-audio Signalling

Extended-code   CTCSS Encoder/ Decoder

Two-way Radio   Processor (FirmASIC®)

PMR Audio and   Data Processor

Baseband   Processors for PMR, Trunked and Leisure Radios

Function Image™



• Two-way Radio
 
• 4FSK
 
• C4FM



Voiceband
 
Processing

Full

Voiceband Filters

Full

Full

Full

In-band Signalling

Tones

No

• DTMF Decode
 
• NOAA NWR
 
• Selcall
 
• Tones

• DTMF

• Tones

Selcall
 
• DTMF
 
• XTCSS

Sub-audio
 
Signalling

• CTCSS
 
• DCS

CTCSS

Yes

• CTCSS

• DCS

• CTCSS
 
• DCS

Voice Scrambling

Frequency
 
Inversion

No

Frequency
 
Inversion

Frequency
 
Inversion

Frequency
 
Inversion

Data

No

No

• FFSK/MSK
 
• 4FSK
 
• C4FM

• DTMF

• FFSK

• MSK

FFSK/MSK

Synthesiser/s

No

No

Two

No

No

Auxiliaries

• ADCs/DACs
 
• System Clocks
 
• RAMDAC

No

• ADCs/DACs
 
• System Clocks

ADCs/DAC

• System Clocks

No

Family Applications

-  Analogue PMR/LMR and/or Trunked Radio

-  FRS, GMRS, MURS and PMR446 Leisure Radio

-  Wireless Data Comms

-  Fixed and Rolling Code Speech Scramblers

-  Mobile, Fixed and Community Base Stations

-  Status and Alarm Systems

-  Marine Radio

-  Aviation and Amateur Radio

-  National Weather Radio Rx Systems

-  Paging Systems (Selcall or Data)

-  Tone Squelch Systems (In-band or Sub-audio)

-  Tone Signalling Applications

Amateur Radio

 

Product > > > >

FX/MX128

FX214
 
FX224

CMX264

CMX823

 

Description

Audio Band
 
‘Frequency Inversion’ Scrambler

Variable   Split-band
 
Audio Scrambler

Frequency Domain
 
Split-band Scrambler

Programmable
 
Paging-tone Decoder

Voiceband Processing

Bandpass and
 
Lowpass Filters

• Voiceband Filters

No

No

In-band Signalling

No

No

No

• 32-user   Programmed
 
Tones
 
• Multi-tone Decoder

Sub-audio Signalling

No

No

No

No

Voice Scrambling

Frequency   Inversion

Variable   Split-band

Split-band
 
Inversion

No

Voltage Range

3.0 to 5.5 V

4.5 TO 5.5 V

2.7 to 3.75 V

2.7 to 5.5 V

Packages

• 16-pin SOIC

24-pin PLCC

24-pin SSOP

16-pin TSSOP

Support Kit

No

No

On-line   Scrambling Demo

No

Family Applications

-  Cordless Telephones

-  Mobile Radio

-  FRS, GMRS, MURS and PMR446 Family Radio

-  Wireless PABX

-  Fixed and Rolling Code Speech Scramblers

-  Two-tone to Five/Six Tone and Voice Pagers

-  Audio Tone Signalling Applications

 


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