CML Microcircuits

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

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3rd June 2021
CML showcases the products in its SµRF range at IMS2021

CML Microcircuits has confirmed it will be attending the Live IEEE International Microwave Symposium (IMS2021) in Atlanta, Georgia, between 7th and 10th June at booth 1341. Throughout the event, visitors can learn more about the first products in CML’s new SµRF family (Semiconductor Microwave RF). IMS delegates visiting in person can also get up close with the SµRF evaluation modules.

6th April 2021
SµRF microwave RF solutions for access to GHz bandwidths

CML Microcircuits has announced SµRF, a new range of high frequency, high bandwidth RFICS and MMICs targeting RF and mmWave applications. As wireless communications move further into the GHz range, the need for high quality RF building blocks to enable high bandwidth and low latency is growing rapidly.

15th December 2020
Fully integrated RF Synthesiser for low power uses

CML Microcircuits has introduced the CMX940, a fully integrated Fractional-N RF synthesiser with VCO that achieves low phase noise and spurious performance in a low power single-chip solution. The CMX940 surpasses the industry prerequisites for enabling a new generation of private mobile radio (PMR), data modems, marine radios and other wireless systems.

17th September 2020
Achieving wireless voice and data in the licence-exempt spectrum

While it may seem like data is all we talk about these days, that just goes to show that talking hasn’t gone away. The need to support voice traffic on wireless networks remains fundamental, but it is easily overlooked when all we seem to do is consume data rather than exchange it. David Brooke, Marketing Manager, CML Microcircuits, explains.

21st July 2020
Low-cost development hack for voice codecs in Pi

The modern world is going hands-free, as more people spend less time tapping keyboards and moving pointing devices, and increasingly more time using digital audio-visual communication tools. In addition, the trend for the Internet of Things (IoT) has led to a proliferation of connected devices that render digital information accessible in a more user-friendly format. Here, David Brooke has shared a low cost development hack for voice codecs ...

13th February 2020
Advanced voice codec capability for Raspberry Pi

CML Microcircuits has announced the EV6550DHAT, a Raspberry Pi Hardware Attached on Top (HAT) compatible evaluation and development board that makes the features and benefits of its CMX655D ultra-low power voice codec available to hobbyists, developers and product manufacturers.

15th October 2019
Removing barriers to wider use of AIS

CML Microcircuits has introduced the SCT7033, an AIS Class B processor that includes the full protocol stack already embedded within the device. This removes the OEM’s burden of sourcing or developing a protocol stack, making it easier to develop an AIS Class B transponder and enabling faster time to market.

19th August 2019
A building-block strategy for faster RF designs

We live in a world that is increasingly connected, driven by the growing phenomenon that is the Internet of Things (IoT). The need to provide wireless communications is omnipresent in electronics design. From wearables to smart home appliances the range of applications using RF is growing rapidly.  By Nigel Wilson, CTO, CML Microcircuits

14th May 2019
Long range, low power digital voice transceiver

The availability of the SCT2400 transceiver has been announced by CML Microcircuits, designed to sustain secure digital voice and data communication channels over ranges in excess of 12km (line of sight) for systems operating in licensed and unlicensed bands. The SCT2400 is a highly integrated digital radio transceiver based on spread spectrum modulation operating in the 2.4GHz frequency range.

Events News
13th February 2019
Transceiver operates in 2.4GHz unlicensed frequency bands

At the embedded world show this year, CML Microcircuits will preview a new digital voice and data solution. The SCT2400 offers a wide operating range and low power consumption when compared to current solutions operating in licensed and unlicensed frequency bands. The device is a highly integrated digital transceiver that operates in 2.4GHz unlicensed frequency bands supporting both voice and data communication. 

Events News
23rd January 2019
Digital voice solutions to be displayed at Embedded World

It has been confirmed that CML Microcircuits will be exhibiting at the Embedded World trade fair at the Exhibition Centre, Nuremburg, 26th to 28th February 2019. Attendees are invited to meet Martin Grossman, Area Sales Manager at CML in Hall 3A, Booth 3A-435 to learn more about its wide range of RF, PMR and digital voice solutions.

18th October 2018
Ultra-low power voice codec for ‘always on’ applications

The next generation in voice codec has been introduced by CML Microcircuits, aimed at existing and emerging high quality digital voice applications in smart devices. The CMX655D marks a significant evolution in voice codecs, which brings greater integration at ultra-low power to enable advanced features in a wide range of applications.

30th August 2018
Design examples fast track Digital Mobile Radio development

It has been announced by CML Microcircuits that it is now offering increased design support for the rapidly-expanding global market digital mobile radio. With its latest product offerings, designers can now easily develop dual-mode (digital/analog) radios for wearable and personal radio formats operating at up to two and five watts, targeting short- and medium-range transmissions respectively. 

20th July 2018
PMR/LMR product line up expanded with CML’s Sicomm

CML Microcircuits has announced a product from its Sicomm Technologies design centre. The SCT3258TD is a highly integrated baseband solution that includes both DMR and dPMR standards. As well as providing full support for the DMR and dPMR protocol stacks, the device is differentiated from CML’s other baseband processors by embedding multiple low rate vocoders including AMBE+2 (Digital Voice Systems Inc.) and RALCWI (CML’s proprietary ...

24th January 2018
RF building block integrates up and down conversion mixers

The release of the CMX975 - 2.7GHz Up/Down Converter has been announced by CML Microcircuits as it expands its RF Building Block IC range. The CMX975 is an enabler for small form factor high frequency RF transceiver designs, operating up to 2.7GHz, that require high performance and low power consumption; in a small form factor.

Mixed Signal/Analog
18th October 2017
RF power amp family expands with ultra-compact device

CML Microcircuits has expanded its RF Building Block product line with a three-stage wideband, high-gain, high-efficiency RF Power Amplifier IC operating across a wide 130MHz to 700MHz frequency range, the CMX902 IC which combines high gain and high efficiency with small footprint.

24th July 2017
RF synthesiser operates over wide range of frequencies

Further expanding the company’s RF portfolio, CML Microcircuits has announced the release of the CMX979 Dual PLL + VCO IC. The CMX979 is a low power dual RF/IF synthesiser + VCO that provide signal generation over a wide range of frequencies. It directly supports both single conversion and super-heterodyne radio architectures and minimises the number of external components needed. The CMX979 provides the designer a solution to develop small...

14th February 2017
RF power amplifier suited for VHF/UHF radio applications

CML Microcircuit has announced the release of a new range of RF Building Blocks: RF Power Amplifiers. The CMX901 is the first product in its range to be released and is a three-stage wideband, high gain and high efficiency RF power amplifier IC operating over 130-950MHz. 

14th November 2016
CML Microcircuits looks to boost its global business

Following the announcement of its parent company in the acquisition of Sicomm Technologies, a leading Chinese ASIC design house, CML Microcircuits is set to expand its Digital Mobile Radio (DMR) market penetration.

23rd September 2016
CMX7261 single chip offers G7.11, G729A, G723.1 and CVSD

CML Microcircuits has announced the release of a new CMX7261 Function Image implementing the G.723.1 digital voice coding algorithm of VoIP applications. The CMX7261 provides a complete end to end function with dual channel encoding, decoding, transcoding with no external DSP or DSP skills required. The device is ideally suited to software-defined radio (SDR), voice-over IP (VoIP) applications, wireless private branch exchange (PBX) and digi...

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