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Mimix's new GaAs amp with self-biased, single supply design

Posted: 16 Sep 2005     Print Version  Bookmark and Share

Keywords:mimix broadband  gallium arsenide  gaas  gain block amplifier  amplifier 

Mimix Broadband Inc. introduced a GaAs two-stage low noise gain block amplifier that has a self-biased, single supply design. Using 0.25µm optical etch-stop pseudomorphic high electron mobility transistor (pHEMT) device model technology, the CMM1100 amplifier covers the 2 to 18 frequency bands. It provides 3.5dB noise figure and 18dB gain, delivering 16dBm output power at 1dB compression.

In addition, the company said, this new product offers a unique combination of low noise figure and broadband output match by employing a unique feedback stage to provide good noise figure that does not exist in typical distributed low noise designs. Integrated bias coils and on-chip DC blocking are all inclusive in the compact chip measuring only 1.550-by-1.600-by-0.100mm.

"The use of a broadband feedback topology satisfies the need for low noise figure across the entire 2GHz to 18GHz bandwidth," stated Damian McCann, VP of product development of Mimix. "Combined with a distributed output distributed stage, it achieves high gain, high P1dB, and unconditional stability in an industry leading die area. This compact, broadband chip offers an easy-to-assemble solution for manufacturers of products and systems for defense EW/ECM, test equipment, microwave radio and VSAT."

Engineering samples of the CMM1100 amplifier are already available from stock.

- Janine Love


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