High-Performance 94-GHz Single-Balanced Diode Mixer Using Disk-Shaped GaAs Schottky Diodes

Author

Oh, Jung-Hun ; Moon, Sung-Woon ; Kang, Dong Sun ; Kim, Sam-Dong

Author_Institution

Dept. of Electron. Eng., Dongguk Univ., Seoul

Volume

30

Issue

3

fYear

2009

fDate

3/1/2009 12:00:00 AM

Firstpage

206

Lastpage

208

Abstract

We present a high-performance 94-GHz single-balanced monolithic millimeter-wave integrated-circuit (MMIC) mixer using the disk-shaped GaAs Schottky diodes grown on an n/n+ epitaxial structure. Due to the superior characteristics of the GaAs diodes with high diode-to-diode uniformity, the mixer shows a conversion loss of 5.5 dB at 94 GHz, a 1-dB compression point (P ₁ _-dB) of 5 dBm, and high local-oscillator to radio-frequency isolation above 30 dB in an RF frequency range of 91-97 GHz. To our knowledge, the fabricated mixer shows the best performance in terms of conversion loss at 94 GHz and P ₁ _-dB among the W-band MMIC mixers without amplifier circuits.

Keywords

MMIC mixers; Schottky diode mixers; millimetre wave circuits; millimetre wave mixers; GaAs; MMIC mixers; diode-to-diode uniformity; disk-shaped Schottky diodes; epitaxial structure; frequency 91 GHz to 97 GHz; frequency 94 GHz; loss 5.5 dB; single-balanced diode mixer; single-balanced monolithic millimeter-wave integrated-circuit mixer; Millimeter wave mixers; Schottky diode mixers; Schottky diodes; monolithic integrated circuits;

fLanguage

English

Journal_Title

Electron Device Letters, IEEE

Publisher

ieee

ISSN

0741-3106

Type

jour

DOI

10.1109/LED.2008.2011290

Filename

4785197