A Design of Current Reused CMOS Mixer with CMFB for Direct Conversion Receiver

Author

Hwang, Hyeon-Seok ; Oh, Seung-Min ; Kim, Hak-Sun

Author_Institution

WSLAB of Central R&D, Samsung Electro-Mech. Co., Ltd., Suwon

fYear

2007

fDate

11-14 Dec. 2007

Firstpage

1

Lastpage

4

Abstract

This paper represents CMOS direct down-conversion mixer for L-band application based on 0.18 um CMOS technology. The proposed mixer uses current bleeding technique and common-mode feedback (CMFB) circuit. The transconductance stage PMOS transistors that concurrently amplify RF signal and bleed current offer reduction of current in the LO transistors while still maintain the mixer output voltage to reference value. Reduction of current through the LO transistors and resistive loads offers better noise performance as well as better conversion gain.

Keywords

CMOS integrated circuits; MOSFET; circuit feedback; mixers (circuits); noise; CMOS direct down-conversion mixer; L-band application; LO transistors; RF signal amplification; common-mode feedback circuit; conversion gain; current bleeding technique; current reduction; direct conversion receiver; noise performance; size 0.18 mum; transconductance stage PMOS transistors; CMOS technology; Circuit noise; Feedback circuits; Hemorrhaging; L-band; MOSFETs; Noise reduction; Performance gain; Transconductance; Voltage; CMOS; Common-mode feedback; DC Offset; Direct Conversion; Flicker Noise; Mixer;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference, 2007. APMC 2007. Asia-Pacific

Conference_Location

Bangkok

Print_ISBN

978-1-4244-0748-4

Electronic_ISBN

978-1-4244-0749-1

Type

conf

DOI

10.1109/APMC.2007.4555047

Filename

4555047