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News
New Release - CMX979 Dual PLL + VCO RF Chip
2017-07-06 | ReturnThe 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 smaller and lower powered RF solutions due to the highly integrated nature of the product. Whilst there are many PLL/VCO solutions in the market, the CMX979 is unique in combining such a wide operating frequency range and level of integration with low power consumption. Most other integrated solutions are only single synthesisers and so require a second synthesiser to be placed on the PCB in many applications.
The RF synthesiser operates over the range of 2.7 - 3.6 GHz with a fully-integrated VCO and PLL and is capable of operating in frequencies in the range of 338MHz to 3.6GHz via a configurable output frequency divider.
The IF synthesiser is an integrated-N type and operates over the range of 500 - 1000 MHz. It includes a fully-integrated loop filter and a VCO that only requires an external inductor. A configurable output divider supports a wide range of IF output frequencies in the range 31MHz to 1GHz.
The CMX979 has been designed to trade power consumption against phase noise performance and is therefore targeted towards low power and low cost RF solutions. It also features on-chip VCO calibration for both synthesisers to ensure consistent performance across temperature and supply voltage variations, together with calibration monitoring and reporting to allow full user control if needed.
The CMX979 is available in a small 6x6mm VQFN package.
Source:http://www.cmlmicro.com/