A 3 V 1.3-to-1.8 GHz CMOS voltage-controlled oscillator with 0.3 ps-jitter

A 3 V three-stage CMOS voltage-controlled oscillator (VCO) with an active feedback biasing circuitry implemented in a 0.5 /spl mu/m CMOS technology is presented. The proposed VCO has a wide operating frequency range from 1.3 to 1.8 GHz with a relatively constant output amplitude and good linearity b...

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Bibliographic Details
Main Authors: Shing-Tak Yan, Luong, H.C.
Format: Conference Proceeding
Language:English
Subjects:
CMOS technology
Current supplies
Energy consumption
Feedback circuits
Frequency
Linearity
Power supplies
Temperature sensors
Timing jitter
Voltage-controlled oscillators
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Summary:A 3 V three-stage CMOS voltage-controlled oscillator (VCO) with an active feedback biasing circuitry implemented in a 0.5 /spl mu/m CMOS technology is presented. The proposed VCO has a wide operating frequency range from 1.3 to 1.8 GHz with a relatively constant output amplitude and good linearity between the output frequency and the control input current. The power supply sensitivity is 5.5%/V, the temperature coefficient is +500 ppm//spl deg/C, and the timing jitter /spl Delta//spl tau//sub rms/ is 0.3 ps. Power consumption of this VCO is 23 mW.
DOI:10.1109/ISCAS.1997.608508