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CML Microcircuits

  • Oval Park Langford Maldon Essex
    CM9 6WG
    United Kingdom
  • 01621 875500
  • www.cmlmicro.com
  • 01621 875600

CML Microcircuits is a world-leader in the design, development and supply of low-power analogue, digital and mixed-signal semiconductors for telecommunications systems globally. The company's wide and varied portfolio means that CML devices are used in an extensive range of industrial and commercial products for licensed and unlicensed wireless voice and data systems.

CML Microcircuits Articles

Displaying 41 - 60 of 91
Wireless
28th September 2012
CML Microcircuits Release Credit Card size SDR Demonstrator

CML Microcircuits has released a small demonstration platform for a complete Software Defined Radio for wireless data applications.

Communications
7th August 2012
TWELP Professional Radio Vocoder from CML

CML Microcircuits has today announced an expansion of its DuraTALK digital voice processor range with the release of a new professional radio low bit-rate 2.4kbps vocoder. The CMX7262 is a high-performance low bit-rate vocoder for professional two-way radio, providing market-leading crystal clear voice and excellent performance in real-life radio operation.

Frequency
20th June 2012
CML Microcircuits Release a New RF Building Block CMX973 Quadrature Modulator/Demodulator

CML Microcircuits has released a new integrated Quadrature IF/RF Demodulator and Quadrature Modulator. The CMX973 Quadrature Modulator/Demodulator is the latest RF building block from CML Microcircuits following on from the CMX970 and CMX971.

Frequency
25th May 2012
Direct Conversion has the ‘Edge’ for SDR Design

CML Microcircuits has increased the operating range of its CMX994 Direct Conversion Receiver. Through an on-going research and development programme, CML has extended the operating range of the CMX994 Direct Conversion Receiver IC. Now operating over an RF range of 50MHz to 940MHz, the CMX994 now addresses a wider range of Software Defined Radio demands.

Frequency
22nd May 2012
RF Building Block

CML Microcircuits has released a new Quadrature Modulator Integrated Circuit. The CMX971 Quadrature Modulator is the latest RF Building Block from CML Microcircuits following on from the CMX970 IF/RF Quadrature Demodulator.

Design
11th May 2012
GMSK/GFSK Modulation Added to CMX7164

CML Microcircuits has released a Function Image Update for the high-performance CMX7164 Multi Mode Modem. Function Image 7164FI-1.x adds the use of GMSK/GFSK modulation and is the latest in a roadmap of function enhancements available through CML’s FirmASIC component technology. These updates are designed to add to the device’s functions and features, increasing its flexibility and facilitating in-the-field upgrades.

Frequency
30th March 2012
RF Building Block - CMX970 IF/RF Quadrature Demodulator IC

CML Microcircuits has released a new low power, IF/RF Quadrature Demodulator Integrated Circuit. The new CMX970 offers exceptionally low power consumption and high performance over the operating range of 20 to 250 MHz. Designed to meet the challenging requirements of Wireless Data and Analogue/Digital PMR/LMR radio systems, this product builds on the classic superheterodyne receiver technique to realise the ultimate low power IF/RF Quadrature De...

Tech Videos
27th March 2012
QAM RF Demo with 2 PE0002 Hosts

When the original QAM + RF YouTube video was created, our evaluation board recommendation for customers consisted of one PE0002 host. Since that time our customer recommendation for QAM + RF evaluation boards has evolved into using two PE0002 hosts. Consequently, the original video has been updated to reflect operation with two PE0002 hosts.

Tech Videos
20th March 2012
CMX994 RF Direct Conversion Receiver (DCRx) IC - Introduction and Demonstration

This video demonstrates the use of the CMX994 as part of a complete QAM (Quadrature Amplitude Modulation) datalink.

Mixed Signal/Analog
30th January 2012
CMX7861 'FirmCODEC' - Full Featured Analogue Front End For DSP/FPGA/Microcontroller Based Systems

The CMX7861 ‘FirmCODEC’ is a full featured analogue front end for DSP/FPGA/Microcontroller based systems. The device is a combination of codec, embedded signal processing and auxiliary system support functions, allowing simple interfacing between analog and digital systems that together improve overall system performance, reduce development time and overall system cost.

Frequency
13th January 2012
CMX994 Direct Conversion I/Q Demodulator - DCRx Has the Edge

CML Microcircuits has added a new Direct Conversion Receiver IC (DCRx) to its family of RF Integrated Circuits. The CMX994 targets the next generation of multi-mode Software Defined Radios (SDR) for wireless data and two-way radio applications. Its design provides the optimum route for on-board integration, allowing a small RF receiver to be realised with a minimum of external components in both zero IF and low IF systems.

Tech Videos
21st December 2011
CMX998 Cartesian Feedback Loop (CFBL) Transmitter Product Introduction

The CMX998 is a Cartesian Feedback Loop (CFBL) Transmitter which improves the efficiency and linearity of transmitters for non-constant envelope modulation systems. The CMX998 is an integrated solution for a linear based Cartesian Feedback Loop (CFBL) transmitter. Acting as a direct conversion quadrature mixer from I and Q to RF output, it provides the capability to linearise the Power Amplifier (PA) via feedback from the PA's output. Included ar...

Tech Videos
9th December 2011
CMX993/CMX993W RF (I/Q) Quadrature Modulator Product Introduction

This video introduces two separate, high performance, RF quadrature modulator ICs: the standard CMX993 and the wide bandwidth CMX993W product variant. The CMX993 and CMX993W are integrated, low voltage IQ modulator suitable for use in applications operating from 30MHz to 1000MHz.

Tech Videos
25th November 2011
CMX7164 Multi-mode Wireless Data Modem

The CMX7164 provides 4/16/64-QAM and root-raised-cosine 2/4FSK baseband modem functions in a single chip, replacing the current need for user programmed DSP plus codec ICs. This development includes digital IF filters, auxiliary codecs, clock generator, and I/O functions that lower total BOM cost and chip count.

Wireless Microsite
7th September 2011
‘Starman’ Multiplexing Communications Unit Utilises CML Microcircuit’s Data Modem Design

In-Taxi dispatch control systems have traditionally consisted of mobile data units, which exchange dispatch information with the central office using Public Mobile Radio (PMR). Although GPRS can be used as an alternative communication solution, PMR remains the preferred solution as it offers more reliability in a localised area, and is more cost effective for medium and large scale fleets. In such fleets, PMR is used as the primary method of data...

Communications
8th August 2011
CML Microcircuits introduced a new umbrella family of digital voice products to its product portfolio

Consisting of a wide range of flexible technologies, DuraTALK products support voice-data generation, coding, transcoding, decoding, storage and scrambling functions for digital communication systems.

Tech Videos
5th August 2011
CMX7261 Product Introduction

As a member of the CML DuraTALK family of digital voice products, the CMX7261 Multi-transcoder IC is a device supporting multiple speech codecs in a single chip.

Wireless
22nd July 2011
World Leading Single Chip Multi-transcoder IC

CML Microcircuits has announced the launch of the world leading single chip G.711/G.729A/CVSD (speech compression) full duplex multi-transcoder device, the CMX7261.

Wireless
13th July 2011
Dual-mode Analogue PMR and Digital PMR (dPMR®) Baseband Processor

The 8341FI-1.x Function Image™ (FI) implements a half-duplex digital PMR processor including: a 4FSK modem, a large proportion of the dPMR® Air Interface; Physical, Data Link and Control layers, and an embedded low bit rate RALCWI™ vocoder

Analysis
21st June 2011
CML Microsystems Acquires Leading-edge Vocoder Technology

CML Microsystems has acquired the exclusive rights to the RALCWI low bit-rate vocoder products from Spirit Corp (Spirit), a Moscow based software company.

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