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SME EE00-165
- A 90 Ghz Amplifier Assembled Using Flip-Chip Technology
- standard by Society of Manufacturing Engineers, 11/01/2000
- Publisher: SME
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This paper reports the performance of a novel W-band amplifier fabricated utilizing flip-chip bump-bonding. We have bump-bonded a high-speed, low-noise InP high electron mobility transistor (HEMT) device onto a separately fabricated passive circuit having a GaAs substrate. This new quasi-monolithic millimeter-wave integrated circuit (Q-MMIC) amplifier exhibits a peak gain of 5.8 dB at approx. 90 GHz and a 3 dB bandwidth of greater than 25%. Our bump-bonding technique is a useful alternative to the high cost of monolithic millimeter-wave integrated circuits (MMIC's), and does not compromise frequency performance, at least up to 100 GHz.