Positive Slope Gain Block

The CMX90A003 and CMX90A004 from CML Microcircuits are two-stage, fully matched MMIC power amplifiers for use in 860 – 960 MHz, license-free bands

RFMW announces design and sales support for a positive slope gain block from CML Microcircuits. The CMX9G301 is a low-power, 50 Ω cascadable MMIC gain block for 1.4 to 7.1 GHz applications. +1 dB of positive gain-slope across the band eliminates the need for equalization and compensates for increasing system losses with frequency. Highly integrated, the CMX90G301 minimizes component count and board area. RF ports are matched to 50 Ω with DC-blocking capacitors. An active bias circuit allows the device to operate over a wide supply voltage of 2.7 to 5V with typical current of 20 mA. GaAs pHEMT fabrication provides a combination of low DC power, low noise and high gain.


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About the Author
John Hamilton has over 40 years of experience in RF and Microwave technology, applications, technical support and marketing. He is the Vice President of Marketing at RFMW, holds multiple degrees and has a background in Test & Measurement.

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