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300-GHz 2nd-Order Subharmonic Upconversion Mixer Using Symmetric MOS Varactors in 65-nm CMOS
Cited 4 time in
Web of Science
Cited 3 time in Scopus
- Authors
- Issue Date
- 2020
- Citation
- IEEE Solid-State Circuits Letters, Vol.3, pp.538-541
- Abstract
- A 2nd-order subharmonic upconversion mixer with an intermediate frequency of 150 GHz and radio frequency (RF) of 290 GHz that employs accumulation mode MOS symmetric varactors is demonstrated in 65-nm complementary metal-oxide-semiconductor. A transformer-based hybrid is utilized to improve port isolation. The mixer achieves the maximum conversion gain of -16 dB including the losses (similar to 2 dB total) of input and output baluns added for measurements. The local oscillator power at 70 GHz was 11.5 dBm and the 27-GHz 3-dB bandwidth spans between 284 and 311 GHz. The -11.6-dBm output 1-dB compression point from a single mixer is the highest among that for the 2nd-order subharmonic mixers with RF of similar to 300 GHz fabricated in any process technologies.
- ISSN
- 2573-9603
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Related Researcher
- College of Engineering
- Department of Electrical and Computer Engineering
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