NDLI: 38 GHz driver and power amplifier MMICs in surface mount packages

Content Provider	IEEE Xplore Digital Library
Author	Bessemoulin, A. Evans, P. Fattorini, T.
Copyright Year	2012
Description	Author affiliation: M/A-COM Technology Solutions International (MTI), 3F, 3-2 Industry East IX Road, Science-Based Industrial Park, Hsinchu, 30075 Taiwan (Bessemoulin, A.; Evans, P.; Fattorini, T.)
Abstract	The first pass design and performance of two driver and power amplifiers in SMD packages for 37–40 GHz radios is presented. Both circuits were designed and fabricated using 6-inch 0.15-µm GaAs PHEMT technology. While occupying a chip area of only 1.6 $mm^{2},$ the QFN 3×3 mm driver amplifier achieves a small signal gain of more than 21 dB over the 35- to 40 GHz frequency band. At 4 V and 250 mA bias, this packaged driver also has a P1dB of +18.5 dBm, +21-dBm saturated output power, and +32 dBm OIP3. To maximize the overall efficiency, the companion power amplifier has been co-designed with a custom air cavity 7×7 mm laminate package. At a bias point of 4 V and 1 A, this 4-stage packaged MMIC exhibits a small signal gain over 25 dB in the 37–40 GHz band, with a P1dB > +28-dBm and +30-dBm saturated output power. Its linearity performance is also excellent with +38-dBm OIP3. The PA also integrates an on-chip temperature compensated power detector, with a record dynamic range of more than 30 dB. For rugged and reliable operation, on-chip EOS and ESD protection is also discussed and implemented on these MMICs.
Starting Page	457
Ending Page	460
File Size	869494
Page Count	4
File Format	PDF
ISBN	9781467323024
e-ISBN	9782874870286
e-ISBN	9782874870262
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-29
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	European Microwave Assoc
Subject Keyword	Gallium arsenide Power amplifiers MMICs Packaging Loss measurement Frequency measurement Amplifiers Gain Power generation
Content Type	Text
Resource Type	Article

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