Presentation 2014-03-05
A Self-Injection Locked VCO with Adaptive Control of Injection Phase
Kengo KAWASAKI, Koji TSUTSUMI, Masaomi TSURU, Eiji TANIGUCHI,
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Abstract(in English) A self-injection locking is an effective method to reduce the phase noise of the oscillator; however there are some problems such as a discontinuous frequency and a large phase noise variation when it is applied to a voltage controlled oscillator (VCO). To solve these problems, an adaptive control method of injection phase is proposed. The proposed circuit is composed of a VCO, a phase detector (PD), a delay line and a phase shifter (PS). In order to obtain an optimum injection phase, the phase shifter is controlled based on the PD output. The IC which is including the Ka-band VCO and the PD is designed and fabricated using a 0.18μm SiGe BiCMOS technology. The proposed self-injection locked oscillator using the fabricated IC shows the continuous frequency characteristic. Moreover, the phase noise variation of can be reduced by 7 dB compared to the conventional self-injection locked VCO.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Injection-locked / Phase noise / VCO / Delay line / Adaptive control / SiGeBiCMOS
Paper # MW2013-217
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Committee MW
Conference Date 2014/2/25(1days)
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Registration To Microwaves (MW)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Self-Injection Locked VCO with Adaptive Control of Injection Phase
Sub Title (in English)
Keyword(1) Injection-locked
Keyword(2) Phase noise
Keyword(3) VCO
Keyword(4) Delay line
Keyword(5) Adaptive control
Keyword(6) SiGeBiCMOS
1st Author's Name Kengo KAWASAKI
1st Author's Affiliation Mitsubishi Electric Corporation()
2nd Author's Name Koji TSUTSUMI
2nd Author's Affiliation Mitsubishi Electric Corporation
3rd Author's Name Masaomi TSURU
3rd Author's Affiliation Mitsubishi Electric Corporation
4th Author's Name Eiji TANIGUCHI
4th Author's Affiliation Mitsubishi Electric Corporation
Date 2014-03-05
Paper # MW2013-217
Volume (vol) vol.113
Number (no) 460
Page pp.pp.-
#Pages 6
Date of Issue