A 3-V 4-GHZ NMOS VOLTAGE-CONTROLLED OSCILLATOR WITH INTEGRATED RESONATOR

Authors
SOYUER M JENKINS KA BURGHARTZ JN HULVEY MD
Citation
M. Soyuer et al., A 3-V 4-GHZ NMOS VOLTAGE-CONTROLLED OSCILLATOR WITH INTEGRATED RESONATOR, IEEE journal of solid-state circuits, 31(12), 1996, pp. 2042-2045
Citations number
10
Categorie Soggetti
Engineering, Eletrical & Electronic
Journal title
IEEE journal of solid-state circuits → ACNP
ISSN journal
00189200
Volume
31
Issue
12
Year of publication
1996
Pages
2042 - 2045
Database
ISI
SICI code
0018-9200(1996)31:12<2042:A34NVO>2.0.ZU;2-I
Abstract
A 4-GHz fully-monolithic nMOS voltage-controlled oscillator circuit im plemented ire a 0.5-mu m BiCMOS technology is presented, The tuning ra nge is 9% with an on-chip varactor-tuned resonator and a control volta ge of 0-3 V. The measured phase noise is -85 dBc/Hz at 100 kHz and -10 6 dBc/Hz at 1 MHz offset, The circuit draws 8 mA from st 3 V supply in cluding the reference branch bias current. Even with the supply voltag e and the variation in control voltage reduced to 2.3 V, the VCO has a tuning range of 8%.