Title :
Low power consumption and low phase noise 2.4 GHz VCO using SiGe HBT for WLL application
Author :
Cho, D.H. ; Ryum, B.R. ; Han, T.-H. ; Lee, S.M. ; Yeom, Kyung-Whan ; Shin, S.C.
Author_Institution :
Semicond. Div., Electron. & Telecommun. Res. Inst., Taejeon
fDate :
6/5/1997 12:00:00 AM
Abstract :
Using an RPCVD-grown SiGe-base HBT and a resonator consisting of a chip varactor and a microstrip line inductor, a 2.4 GHz VCO with a power dissipation of 28 mW and phase noise of -110 dBc/Hz (at 1 MHz off carrier) has been fabricated for wireless local loop (WLL) application
Keywords :
Ge-Si alloys; UHF integrated circuits; UHF oscillators; circuit tuning; heterojunction bipolar transistors; hybrid integrated circuits; phase noise; semiconductor materials; thick film circuits; varactors; voltage-controlled oscillators; 2.4 GHz; 28 mW; Al2O3; RPCVD-grown HBT; SiGe; SiGe HBT; UHF VCO; chip varactor; low phase noise; low power consumption; microstrip line inductor; resonator; wireless local loop application;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19970731
