Communication ASICs from CML Microcircuits
CML is a world-leader in the design, development and supply of low-power analogue, digital and mixed signal semiconductors, for telecommunication systems worldwide.

Product range

Wireline Telecoms

Wireless Data

Two-Way Radio

The analogue product range covers wireline voice and signaling areas including voice scrambling, call progress, DTMF, CLI/CIDCW, SPM, ISDN and telephone ICs.

Wireless modems, with data rates up to 200 kbit/s and modulation formats FSK, FFSK/MSK, GMSK and p/4 DQPSK.

Simplex and duplex audio-processing, including voice scrambling, ADM and CVSD voice coders, all current inband and sub-audio signaling schemes and baseband radio processors.
Product

Description

 Price
CMX469A Baud duplex FFSK modem
CMX909BD5 SMD GMSK packet data modem
CMX602BD4 SMD CLIP + Call waiting

FX631P *

 SPM / Call-Charge Metering

FX604

V.23, 1200b/s modem

FX614

 Bell 202 FSK modem
CMX639E2 SMD CVSD Digital Voice Codec

CMX649D3 SMD

 Adaptive Delta Modulation Codec

CMX865AE4

 Telecom Signalling Device

CMX850L8 SMD

 Communications Controller, 8051 based

CMX868AD2 SMD

 Low Power V.22bis, modem CMX868 upgrade

CMX869

 Low power V.32bis modem

CMX7031L9 SMD

 The Flexible Two-Way Radio Processor

* Till stock is exhausted. Not recommended for new designs - use CMX631A

For full technical documentation please e-mail to support@comet.bg.
For additional information about prices and delivery terms for ordering CML Microcircuits products, please contact Comet Electronics.
 
CMX639 – CVSD Digital Voice Codec

  • Single chip, full duplex CVSD voice codec;

  • Integrated input and output filters;

  • Programmable Sampling Clocks;

  • 3 and 4 bit Companding Algorithms;

  • Low power consumption (1.9mA typ. @ 3V);

  • Small size device;

  • Supply voltage - 3.0V to 5.5V;

  • Microcontroller interface;

New CMX869B series, V32bis modem

  • Multi-standard QAM, DPSK and FSK Modem;

  • Upgrade of  CMX869;

  • 2- or 4- wire operation;

  • DTMF/Tones Transmit and Receive;

  • Ring detect / line reversal input;

  • Compact 24-pin TSSOP, SOIC and DIL packaging;

 

 

CMX990 – GMSK Packet-Data Modem and RF Transceiver

  • Half-Duplex GMSK Modem, 4 – 16 kb/s;

  • Low supply voltage - 3.0 - 3.6 V;

  • Custom-Packet and Freeformat modes for data transmissions;

  • Simple Parallel Interface for host microcontroller;

  • Suitable for Mobitex wireless standard, EN 300 113 and FCC CFR 47 Part 90 Applications;

  • Full-Feature Airlink Frame Formatting FEC and CRC;

  • Integrated RF, IF and Synthesiser Sections - 400MHz to 1GHz Range;

  • On-Chip ADCs and DACs for Radio Control and General Purpose Monitoring;

For full technical documentation please e-mail to support@comet.bg.
For additional information about prices and delivery terms for ordering CML Microcircuits products, please contact Comet Electronics.

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