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CML Microcircuits (www.cmlmicro.com)has released new function images for their successful CMX7131/7141 family of digital PMR processors.
The new function images add to the already flexible device allowing it to be used in the design of small, low-cost, low-power digital and analogue PMR radios. Thanks to CML’s innovative chipset designing a small, low-cost, low-power analogue or digital PMR (dPMR) radio has now never been easier.
When the new function image for the CMX7131/7141, is combined with a suitable host and a direct conversion (I/Q) receiver, such as CML’s popular CMX994, a low-cost digital PMR radio can be realised. Through the embedded functionality of the CMX7131/7141 managing the CMX994 downconverter autonomously, host microcontroller interactions are minimised enabling the lowest operating power and therefore longest battery life for a digital PMR radio.
The chipset presents a comprehensive dPMR solution, providing RF direct conversion with minimal external components and set-up, plus baseband and AIR interface physical and data link layers complying to dPMR Mode 1, 2 & 3 TS 102 658. This market-leading solution also provides full backward compatibility to legacy analogue PMR.
Dual mode analogue/digital PMR operation can be achieved by re-loading the device with Function Image 7131/7141FI-7.1.x or 7131/7141FI-8.x. The devices have flexible power-saving modes, can be supplied in either LQFP or VQFN packages and are available now.
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