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GaAs PHEMT Power Amplifier MMIC with Integrated ESD Protection for Full SMD 38-GHz Radio Chipset

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4 Author(s)
Bessemoulin, A. ; Mimix Broadband Inc., Houston ; Mahon, S.J. ; Harvey, J.T. ; Richardson, D.

The performance of a compact 38-GHz linear power amplifier MMIC' designed for use in SMD package is presented. The amplifier is fabricated with a 6-inch 0.15 mum GaAs low-noise PHEMT technology, and features on-chip ESD protection with input short-circuit stub, robust capacitors at RF ports and high current diode arrays. While occupying a chip area of only 3.5 mm2 , at 5 V and 600 mA, this 4-stage amplifier achieves a small signal gain of more than 26 dB over the 35-to 42 GHz frequency band, 26-dBm output power in saturation, and excellent intermodulation performance with up to 37-dBm OIP3 when backed-off. Finally, the PA MMIC exhibits excellent performance in packaged form as well, with 25-dB linear gain in the 35-42 GHz band and output referred intercept point of more than to 35 dBm.

Published in:

Compound Semiconductor Integrated Circuit Symposium, 2007. CSIC 2007. IEEE

Date of Conference:

14-17 Oct. 2007