A novel 30-90-GHz singly balanced mixer with broadband LO/IF

Yi Ching Wu, Chau Ching Chiong, Jeng Han Tsai, Huei Wang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

An innovative mixer architecture using gate- and drain-pumped with combining drain terminals of nMOS transistors is proposed to enhance IF and local oscillator (LO) operation bandwidths in 90-nm CMOS for astronomical application. With 0.6 mW of dc power, this mixer achieved peak conversion gains of -6.2, -6.1, -8.6, and -7.2 dB at LO frequencies of 30, 50, 60, and 90 GHz, respectively. At an LO power of 2.3 dBm and an LO frequency of 30 GHz, the IF 3-dB bandwidth is 26 GHz. When the LO power is 4.2 dBm at an LO frequency of 90 GHz, the mixer has an IF 3-dB bandwidth of 16 GHz. The IP 1dB (input 1-dB gain compression) is better than 2 dBm from 30 to 90 GHz. The chip occupies an area of 0.389 mm 2 . Compared with other published works, this mixer demonstrates a breakthrough for extremely wide IF and LO bandwidths in low dc power consumption with high IP 1dB .

Original languageEnglish
Article number7748541
Pages (from-to)4611-4623
Number of pages13
JournalIEEE Transactions on Microwave Theory and Techniques
Volume64
Issue number12
DOIs
Publication statusPublished - 2016 Dec 1

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oscillators
broadband
Bandwidth
bandwidth
Transistors
Electric power utilization
CMOS
transistors
chips

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

A novel 30-90-GHz singly balanced mixer with broadband LO/IF. / Wu, Yi Ching; Chiong, Chau Ching; Tsai, Jeng Han; Wang, Huei.

In: IEEE Transactions on Microwave Theory and Techniques, Vol. 64, No. 12, 7748541, 01.12.2016, p. 4611-4623.

Research output: Contribution to journalArticle

Wu, Yi Ching ; Chiong, Chau Ching ; Tsai, Jeng Han ; Wang, Huei. / A novel 30-90-GHz singly balanced mixer with broadband LO/IF. In: IEEE Transactions on Microwave Theory and Techniques. 2016 ; Vol. 64, No. 12. pp. 4611-4623.
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