CATV Amplifier IC puts High Gain in a Small Package

Qorvo’s model QPB8857 47 to 1218 MHz 75-ohm Power Doubler RF amplifier IC provides over 28 dB of flat gainRFMW, Ltd. announces design and sales support for a GaAs pHEMT/MESFET 75-ohm Power Doubler RF amplifier IC. Qorvo’s model QPB8857 provides over 28 dB of flat gain and low noise of 4.5 dB for DOCSIS 3.1 amplifiers, head-end CMTS equipment and broadband CATV hybrid modules from 47 to 1218 MHz. Using a single 24V supply, the QPB8857 offers low noise and low distortion at high efficiency, consuming only 10.5W in a 5x7mm, QFN package. With CSO of -68 dBc and CTB of -75 dBc, this IC supports an adjustable bias and easy integration with a return loss of 18 dB.

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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