An ultra-broadband doubly balanced monolithic ring mixer for Ku- to Ka-band applications

Chih Ming Lin; Che Hung Lin; Jui Chieh Chiu; Yeong Her Wang

doi:10.1109/LMWC.2007.905639

An ultra-broadband doubly balanced monolithic ring mixer for Ku- to Ka-band applications

Chih Ming Lin, Che Hung Lin, Jui Chieh Chiu, Yeong Her Wang

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

A novel 12-40 GHz ultra-broadband doubly balanced monolithic ring mixer with a small chip size covering the Ku- to Ka-band applications implemented by a 0.15-μm pseudomorphic high electron-mobility transistor process is presented. The proposed mixer consists of two spiral transformer baluns and a band-reject filter. The use of the spiral baluns leads to the achievement of a chip size less than 0.8 × 0.8 mm². The radio frequency (RF) spiral balun with a band-reject filter served by an L-C resonator is used to improve the bandwidth of the mixer and to provide an output port for the intermediate frequency (IF) extraction as well. The mixer exhibits a 6-12 dB conversion loss, high isolation over 12-40 GHz RF/local oscillation bandwidth, a DC-8 GHz IF bandwidth, and a 1-dB compression power of 14 dBm for both down- and up-converter applications.

Original language	English
Pages (from-to)	733-735
Number of pages	3
Journal	IEEE Microwave and Wireless Components Letters
Volume	17
Issue number	10
DOIs	https://doi.org/10.1109/LMWC.2007.905639
Publication status	Published - 2007 Oct 1

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Electrical and Electronic Engineering

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abstract = "A novel 12-40 GHz ultra-broadband doubly balanced monolithic ring mixer with a small chip size covering the Ku- to Ka-band applications implemented by a 0.15-μm pseudomorphic high electron-mobility transistor process is presented. The proposed mixer consists of two spiral transformer baluns and a band-reject filter. The use of the spiral baluns leads to the achievement of a chip size less than 0.8 × 0.8 mm2. The radio frequency (RF) spiral balun with a band-reject filter served by an L-C resonator is used to improve the bandwidth of the mixer and to provide an output port for the intermediate frequency (IF) extraction as well. The mixer exhibits a 6-12 dB conversion loss, high isolation over 12-40 GHz RF/local oscillation bandwidth, a DC-8 GHz IF bandwidth, and a 1-dB compression power of 14 dBm for both down- and up-converter applications.",

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