Conference Proceeding

Up-conversion mixer for PCS application using Si BJT

Inf. & Commun. Univ., Taejon
02/2000; DOI:10.1109/ICMMT.2000.895711 ISBN: 0-7803-5743-4 pp.424 - 427 In proceeding of: Microwave and Millimeter Wave Technology, 2000, 2nd International Conference on. ICMMT 2000
Source: IEEE Xplore

ABSTRACT This paper analyzed three types of up-conversion mixer
architectures for PCS applications using fT=25 GHz Si bipolar
process. An optimum architecture that combines the mixer cell with an
active balun is proposed. The balun provides high linearity and LO
suppression. Simulation results shows conversion gain=0 dB, LO to RF
leakage=24.8 dBm, output third-order intercept point
(OIP3)=9.6 dBm, and output 1 dB compression point (OP1
dB)=-0.2 dBm, respectively, at fRF=1.9 GHz, fIF
=100 MHz, 3 V supply voltage, and 24.6 mA current

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Keywords

active balun
 
architectures
 
mixer cell
 
optimum architecture
 
output 1 dB compression point
 
output third-order
 
paper analyzed
 
PCS applications
 
Simulation results