Compact and broad-band millimeter-wave monolithic transformer balanced mixers

Autor:	Chi-Hsueh Wang, Tian-Wei Huang, Huei Wang, Pei-Si Wu
Rok vydání:	2005
Předmět:	Engineering Radiation Electronic mixer business.industry Electrical engineering Integrated circuit Condensed Matter Physics Chip law.invention law Extremely high frequency Equivalent circuit Electrical and Electronic Engineering business Transformer Monolithic microwave integrated circuit Diode
Zdroj:	IEEE Transactions on Microwave Theory and Techniques. 53:3106-3114
ISSN:	1557-9670 0018-9480
DOI:	10.1109/tmtt.2005.855122
Popis:	Three broad-band miniature monolithic transformer singly balanced diode mixers for operation in the microwave and millimeter-wave bands are reported in this paper. The coupled-line equivalent models are used to synthesize the initial design of these transformers up to 50 GHz. The first one is a broad-band spiral transformer mixer, and the second one is a 21-GHz Marchand-type transformer mixer. These two mixers with chip sizes around 0.29 mm/sup 2/ exhibit bandwidths of 105% and 54.5%, respectively. We also propose a 30-GHz single-coiled transformer mixer, which has comparable performance with the first two mixers and reduced chip size. The single-coiled transformer mixer achieves a bandwidth of 100% with the chip size smaller than 0.25mm/sup 2/. In order to save chip area, all these transformers provide broad-band matching to the diodes directly. To the authors' knowledge, these mixers achieve the widest bandwidths with the smallest chip sizes among all passive balanced mixers using monolithic-microwave integrated-circuit processes in dc-40-GHz frequency range.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::c74057a79a9f5fc9e2a63543252e10e2 https://doi.org/10.1109/tmtt.2005.855122 Zobrazit plný text záznamu