A comparison of bipolar and CMOS mixer structures for direct conversion modulation at microwave frequencies

Author

Salmeh, Roghoyeh ; Maundy, Brent ; Johnston, Ron H.

Author_Institution

Dept. of Electr. & Comput. Eng., Calgary Univ., Alta., Canada

Volume

1

fYear

2003

fDate

4-7 May 2003

Firstpage

85

Abstract

The mixer is one of the fundamental circuit blocks of any wireless communication system. Most portable communication systems have at least two mixers, one in the receiver and another in the transmitter. Although high performance bipolar and CMOS mixers have been available for some time, their implementation is still a challenging subject for high frequencies, low-voltage and low-power circuit design. In this paper double balanced mixers performing direct conversion modulation are studied. The problems of noise and non-linearities are also addressed.

Keywords

CMOS integrated circuits; MMIC mixers; bipolar MMIC; low-power electronics; microwave receivers; modulation; radio transmitters; CMOS mixers; bipolar mixers; circuit blocks; direct conversion modulation; low-power circuit; low-voltage circuit; noise; wireless communication system; Bandwidth; Dynamic range; Frequency modulation; Microwave frequencies; Mixers; Monolithic integrated circuits; Noise figure; Radio frequency; Very large scale integration; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical and Computer Engineering, 2003. IEEE CCECE 2003. Canadian Conference on

ISSN

0840-7789

Print_ISBN

0-7803-7781-8

Type

conf

DOI

10.1109/CCECE.2003.1226350

Filename

1226350