Article

Wideband CMOS voltage-controlled oscillator using tunable inductors

Georgia Electron. Design Center, Georgia Inst. of Technol., Atlanta, GA, USA
Electronics Letters (impact factor: 0.96). 10/2010; DOI:10.1049/el.2010.2141
Source: IEEE Xplore

ABSTRACT A wideband RF voltage-controlled oscillator (VCO) with an inductance timing circuit is presented. Three bondwire inductor pairs and switches implement a programmable inductor with the tuning range of 0.4-1.2 nH. The measured VCO frequency range is 5.617.2 GHz, resulting in an ultra-wide tuning range of 11.4 GHz.

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Keywords

bondwire inductor pairs
 
inductance timing circuit
 
measured VCO frequency range
 
tuning range
 
ultra-wide tuning range
 
wideband RF voltage-controlled oscillator
 

J J Kim