Title :
A dual/wide band quadrature VCO with programmable LC tank for quad-band direct conversion WCDMA/WLAN receiver
Author :
Kim, Ji-Hoon ; Hyung Joun Yoo
Abstract :
A dual/wideband quadrature VCO is designed using TSMC 0.25 μm CMOS process. Its programmable on-chip LC tank provides 50% and 15.7% tuning range for each operating band. The VCO successfully covers all WCDMA and WLAN frequency range, while providing moderate phase noise performance.
Keywords :
3G mobile communication; CMOS integrated circuits; microwave receivers; phase noise; transceivers; tuning; voltage-controlled oscillators; wireless LAN; 0.25 micron; TSMC CMOS process; WCDMA/WLAN receiver; dual/wideband quadrature VCO; phase noise performance; programmable LC tank; quad-band direct conversion receiver; tuning range; Capacitors; Frequency; Inductors; Multiaccess communication; Parasitic capacitance; Tuning; Varactors; Voltage-controlled oscillators; Wideband; Wireless LAN;
Conference_Titel :
Consumer Electronics, 2005. ICCE. 2005 Digest of Technical Papers. International Conference on
Print_ISBN :
0-7803-8838-0
DOI :
10.1109/ICCE.2005.1429837
