DC to 8 GHz 11 dB gain Gilbert micromixer using GaInP/GaAs HBT technology

Chin-Chun Meng*, S. S. Lu, M. H. Chiang, H. C. Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

A wideband GaInP/GaAs heterojunction bipolar transistor (HBT) micromixer from DC to 8 GHz with 11 dB single-ended conversion gain is demonstrated. The input return loss is better than 10 dB for frequencies up to 9 GHz. The single-to-differential input stage in a Gilbert micromixer renders good wideband frequency response and eliminates the need for common-mode rejection. IP 1 dB = -17 dBm and IIP 3 = -7 dBm are achieved for a small local oscillator power of -2 dBm when LO = 5.35 GHz and RF = 5.7 GHz.

Original languageEnglish
Pages (from-to)637-638
Number of pages2
JournalElectronics Letters
Volume39
Issue number8
DOIs
StatePublished - 17 Apr 2003

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