A 2.7-V dual-frequency single-sideband mixer [for PCS]

Author

Ting-Ping Liu

Author_Institution

Bell Labs., Lucent Technol., Holmdel, NJ, USA

fYear

1998

fDate

11-13 June 1998

Firstpage

124

Lastpage

127

Abstract

The single-sideband (SSB) mixer is attractive since it can provide either upper or lower sideband output through an electronic control. However, it is essential for the dual-band SSB mixer to achieve high sideband rejections in both frequency bands. The sideband rejection depends on the system specifications and actual off-chip filters used in the handset, and is typically -35 dB or lower. This paper describes the design of a 0.8/2-GHz BiCMOS dual-frequency single-sideband mixer. A phase tracking technique is employed to combat the inaccuracy of quadrature shifters due IC process variations and to achieve high sideband rejections (<-35 dB) for both frequencies.

Keywords

BiCMOS analogue integrated circuits; UHF mixers; UHF phase shifters; cellular radio; personal communication networks; 0.8 GHz; 2 GHz; 2.7 V; IC process variation; PCS; dual-frequency single-sideband mixer; electronic control; off-chip filters; phase tracking technique; quadrature shifters; sideband rejections; Amplitude modulation; Dual band; Error correction; Frequency; Monolithic integrated circuits; Personal communication networks; Phase shifters; Signal generators; Switches; Telephone sets;

fLanguage

English

Publisher

ieee

Conference_Titel

VLSI Circuits, 1998. Digest of Technical Papers. 1998 Symposium on

Conference_Location

Honolulu, HI, USA

Print_ISBN

0-7803-4766-8

Type

conf

DOI

10.1109/VLSIC.1998.688024

Filename

688024