A 16-44 GHz compact doubly balanced monolithic ring mixer

Chih Ming Lin; Hua Kuei Lin; Chiung Feng Lin; Yu Ann Lai; Che Hung Lin; Yeong Her Wang

doi:10.1109/LMWC.2008.2002464

A 16-44 GHz compact doubly balanced monolithic ring mixer

Chih Ming Lin
, Hua Kuei Lin
, Chiung Feng Lin
, Yu Ann Lai
, Che Hung Lin
, Yeong Her Wang

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

16 Citations (Scopus)

Abstract

A novel and compact 16-44 GHz ultra-broadband doubly balanced monolithic ring mixer for Ku- to Ka-band applications implemented with a 0.15-μm pHEMT process is presented. The proposed mixer is composed of a C-band miniature spiral balun and a 180° hybrid formed with an interdigital coupler, a low-pass π-network, and a high-pass T-network. The 180° hybrid eliminates the use of a cross-over structure for application in the balanced mixer, as well as provides an output port for the RF extraction of up-converter application. This proposed configuration leads to a die size of less than 0.8 × 0.8 mm². From the measured results, the mixer exhibits an 11-14 dB conversion loss, a 27-50 dB high LO-to-IF isolation over 16-44 GHz RF/LO bandwidth, and a 1-dB compression power of 14 dBm for both down- and up-converter applications.

Original language	English
Article number	4624626
Pages (from-to)	620-622
Number of pages	3
Journal	IEEE Microwave and Wireless Components Letters
Volume	18
Issue number	9
DOIs	https://doi.org/10.1109/LMWC.2008.2002464
Publication status	Published - 2008 Sept

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/LMWC.2008.2002464

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title = "A 16-44 GHz compact doubly balanced monolithic ring mixer",

abstract = "A novel and compact 16-44 GHz ultra-broadband doubly balanced monolithic ring mixer for Ku- to Ka-band applications implemented with a 0.15-μm pHEMT process is presented. The proposed mixer is composed of a C-band miniature spiral balun and a 180° hybrid formed with an interdigital coupler, a low-pass π-network, and a high-pass T-network. The 180° hybrid eliminates the use of a cross-over structure for application in the balanced mixer, as well as provides an output port for the RF extraction of up-converter application. This proposed configuration leads to a die size of less than 0.8 × 0.8 mm2. From the measured results, the mixer exhibits an 11-14 dB conversion loss, a 27-50 dB high LO-to-IF isolation over 16-44 GHz RF/LO bandwidth, and a 1-dB compression power of 14 dBm for both down- and up-converter applications.",

author = "Lin, \{Chih Ming\} and Lin, \{Hua Kuei\} and Lin, \{Chiung Feng\} and Lai, \{Yu Ann\} and Lin, \{Che Hung\} and Wang, \{Yeong Her\}",

note = "Funding Information: Manuscript received February 20, 2008; revised May 10, 2008. Published September 5, 2008. This work was supported in part by the National Chip Implementation Center, National Applied Research Laboratories, National Science Council of Taiwan, R.O.C., under Contract NSC95-2221-E-006-428-MY3, the Ministry of Education Program for Promoting Academic Excellence of Universities under Grant A-91E-FA08-1-4, and by the Foundation of Chen, Jieh-Chen Scholarship of Tainan, Taiwan.",

year = "2008",

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doi = "10.1109/LMWC.2008.2002464",

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AU - Lai, Yu Ann

AU - Lin, Che Hung

AU - Wang, Yeong Her

N1 - Funding Information: Manuscript received February 20, 2008; revised May 10, 2008. Published September 5, 2008. This work was supported in part by the National Chip Implementation Center, National Applied Research Laboratories, National Science Council of Taiwan, R.O.C., under Contract NSC95-2221-E-006-428-MY3, the Ministry of Education Program for Promoting Academic Excellence of Universities under Grant A-91E-FA08-1-4, and by the Foundation of Chen, Jieh-Chen Scholarship of Tainan, Taiwan.

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N2 - A novel and compact 16-44 GHz ultra-broadband doubly balanced monolithic ring mixer for Ku- to Ka-band applications implemented with a 0.15-μm pHEMT process is presented. The proposed mixer is composed of a C-band miniature spiral balun and a 180° hybrid formed with an interdigital coupler, a low-pass π-network, and a high-pass T-network. The 180° hybrid eliminates the use of a cross-over structure for application in the balanced mixer, as well as provides an output port for the RF extraction of up-converter application. This proposed configuration leads to a die size of less than 0.8 × 0.8 mm2. From the measured results, the mixer exhibits an 11-14 dB conversion loss, a 27-50 dB high LO-to-IF isolation over 16-44 GHz RF/LO bandwidth, and a 1-dB compression power of 14 dBm for both down- and up-converter applications.

AB - A novel and compact 16-44 GHz ultra-broadband doubly balanced monolithic ring mixer for Ku- to Ka-band applications implemented with a 0.15-μm pHEMT process is presented. The proposed mixer is composed of a C-band miniature spiral balun and a 180° hybrid formed with an interdigital coupler, a low-pass π-network, and a high-pass T-network. The 180° hybrid eliminates the use of a cross-over structure for application in the balanced mixer, as well as provides an output port for the RF extraction of up-converter application. This proposed configuration leads to a die size of less than 0.8 × 0.8 mm2. From the measured results, the mixer exhibits an 11-14 dB conversion loss, a 27-50 dB high LO-to-IF isolation over 16-44 GHz RF/LO bandwidth, and a 1-dB compression power of 14 dBm for both down- and up-converter applications.

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A 16-44 GHz compact doubly balanced monolithic ring mixer

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