Subharmonically Pumped Image Rejection Mixer for K-band Applications

Lee, Moon-Que ; Moon, Seong-Mo ; Ryu, Keun-Kwan ; Jang, Dong-Phil ; Yom, In-Bok (2004) Subharmonically Pumped Image Rejection Mixer for K-band Applications. In: Gallium Arsenide applications symposium. GAAS 2004, 11—12 Ottobre, Amsterdam.
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Abstract

A balanced single side-band (SSB) mixer employing a sub-harmonic configuration is designed for up and down conversions in K-band. The designed mixer uses anti-parallel diode (APD) pairs to effectively eliminate even harmonics of local oscillator (LO) spurious signal. For the more, to reduce the odd harmonics of LO at RF port, we employ a balanced configuration for LO. The fabricated chip shows 12 ±2dB of conversion loss and image-rejection ratio of about 20dB for down conversion at RF frequencies of 24- 27.5GHz. As an up-conversion mode, the designed chip shows 12dB of conversion loss and image-rejection ratio of 20 ~ 25 dB at RF frequencies of 25 to 27GHz. The odd harmonics of LO are measured below -37dBc.

Abstract
Document type
Conference or Workshop Item (Paper)
Creators
CreatorsAffiliationORCID
Lee, Moon-Que
Moon, Seong-Mo
Ryu, Keun-Kwan
Jang, Dong-Phil
Yom, In-Bok
Subjects
DOI
Deposit date
15 Jun 2005
Last modified
17 Feb 2016 14:12
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