A 20GHz Push-Push Voltage-Controlled Oscillator Using Second-Harmonic Peaking Technique for a 60GHz Frequency Synthesizer

A 20GHz Push-Push Voltage-Controlled Oscillator Using Second-Harmonic Peaking Technique for a 60GHz Frequency Synthesizer

This paper presents a 20GHz push-push VCO realized by a 10GHz super-harmonic coupled quadrature oscillator for a quadrature 60GHz frequency synthesizer. The output nodes are peaked by a tunable second harmonic resonator. The proposed VCO is implemented in 65nm CMOS process. It achieves a tuning rang...

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Veröffentlicht in:IEICE Transactions on Electronics 2013/06/01, Vol.E96.C(6), pp.804-812
Hauptverfasser: SIRIBURANON, Teerachot, SATO, Takahiro, MUSA, Ahmed, DENG, Wei, OKADA, Kenichi, MATSUZAWA, Akira
Format: Artikel
Sprache:eng
Schlagworte:
CMOS
Frequency synthesizers
impulse sensitivity function
low phase noise
low power
Oscillators
Power consumption
push-push VCO
Quadratures
Resonators
super-harmonic coupled QVCO
tail-current modulation
Tuning
Voltage controlled oscillators
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Beschreibung
Zusammenfassung:This paper presents a 20GHz push-push VCO realized by a 10GHz super-harmonic coupled quadrature oscillator for a quadrature 60GHz frequency synthesizer. The output nodes are peaked by a tunable second harmonic resonator. The proposed VCO is implemented in 65nm CMOS process. It achieves a tuning range of 3.5GHz from 16.1GHz to 19.6GHz with a phase noise of -106dBc/Hz at 1MHz offset. The power consumption of the core oscillators is 10.3mW and an FoM of -181.3dBc/Hz is achieved.
ISSN:0916-8524
1745-1353
DOI:10.1587/transele.E96.C.804