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About CML Microcircuits

As part of CML Microsystems Plc, 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.

Focusing on narrowband communications, CML’s ICs are found in PMR/LMR, wireless data and marine radio applications, such as TETRA, DMR, dPMR, SCADA systems and AIS. The CML portfolio provides components supporting both RF and baseband functionality, encompassing both leading edge digital and legacy analogue systems.

In addition to our established range of devices, we are able to offer bespoke solutions to customers. This service includes design assistance, advice and first class technical support. Our FirmASIC® approach enables us to produce the optimum solution to a given design requirement. The outcome is a product offering that embraces a number of key technologies and delivers the result cost-effectively with fast time to market, ultimate flexibility and low risk.

Company Structure

CML Microsystems Plc - CML Microsystems Plc is a holding company for the group's operating subsidiaries: CML Microcircuits are located in the UK, United States and Singapore. Hyperstone GmbH, part of the group since 2003, is a fabless semiconductor and microprocessor design company and is located in Germany, USA and Taiwan. Sicomm Technologies, part of the group since 2016, is a fabless semiconductor design house located in China.

CML Plc Company Structure

More Information


As the strategic lead company, CML Microcircuits (UK) Ltd. designs, manufactures and markets innovative analogue, digital, mixed signal and RF integrated circuits.

Located at the Group headquarters in rural Essex, CML (UK) provides the main design centre, co-ordinating semiconductor design and strategic activities including sales and marketing. From this facility, CML provides full customer support in the form of comprehensive product documentation, application support and commercial advice, with access to the CML team of field sales engineers backed up by its in-house help desk staff: qualified engineers providing up-to-date technical and product information.

The activities at this location, combined with those in the USA and Singapore, enables CML to serve customers around the world quickly and effectively.

CML Microcircuits (UK) Ltd is certified to ISO 9001: 2008.
Established in 1968 as Consumer Microcircuits Limited, CML Microcircuits (UK) Ltd is 100% owned by CML Microsystems Plc.

CML (UK) Building Image

CML Microcircuits UK Ltd - Systems Group

Systems Group is part of the overall CML Microcircuits design and development organisation and specialise in performance RF design and DSP software development.

In addition to its role developing CML core products, Systems Group operates as an independent R&D company specialising in professional communication product development; a specialty is FirmASIC® based customised developments, supplying service to third-party/external customers.

Further details are available here >> Systems Group

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