Referenced Items are not available for this document.
A monolithic chip with a single 80 μm HEMT device, 1.25×3.0 mm2 in size, has been tested as both a fundamental and a subharmonic mixer. With input filter networks for K- and Q-bands providing two separate radio frequency/local oscillator (RF/LO) channels to the gate, the chip produces an IF signal from DC to 4 GHz at the drain. The mixer operates in three independent modes with the highest conversion gain of 6.9 dB in K-band fundamental mode, the best DSB noise figure of 4.4 dB in Q-band fundamental mode, and better than 20 dB of on-chip LO-to-RF isolation in Q-band subharmonic mode. In all three modes, the active mixer has shown positive conversion gain
Published in:
Microwave and Guided Wave Letters, IEEE
(Volume:9
,
Issue:
4
)
Date of Publication: Apr 1999
- Page(s):
- 154 - 156
- ISSN :
- 1051-8207
- INSPEC Accession Number:
- 6257093
- Digital Object Identifier :
- 10.1109/75.763245
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Apr 1999
- Sponsored by :
- IEEE Microwave Theory and Techniques Society
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