Low Noise Second Harmonic Oscillator Using Mutually Synchronized Gunn Diodes
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概要
- 論文の詳細を見る
This paper represents a low noise second harmonic oscillator using mutually synchronized Gunn diodes. A multi-layer MIC technology is adopted to reduce the circuit size of the oscillator. The oscillator consists of Gunn diodes, slot line resonators and strip lines. By embedding Gunn diodes in the slot line resonators, a harmonic RF signal can be generated very easily. The strip lines are used for the power combining output circuit. The shape of slot line resonator is square in order to achieve the low phase noise and the suppression of undesired harmonics. The second harmonic oscillator is designed and fabricated in K band. The output power is +8.89dBm at the design frequency of 18.75GHz (2f0) with the phase noise of -116.2dBc/Hz at the offset frequency of 1MHz. Excellent suppression of the undesired fundamental frequency signal (f0) of -33dBc is achieved. Also, the circuit size is reduced by three-tenths relative to that of the previously proposed circuit.
- （社）電子情報通信学会の論文
- 2010-09-01
著者
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Tanaka Takayuki
Department Of Engineering Systems And Technology Graduate School Of Science And Engineering Saga Uni
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Kawasaki Kengo
Department Of Engineering Systems And Technology Graduate School Of Science And Engineering Saga Uni
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KAWASAKI Kengo
Electrical and Electronic Engineering, Faculty of Science and Engineering, Saga University
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TANAKA Takayuki
Electrical and Electronic Engineering, Faculty of Science and Engineering, Saga University
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AIKAWA Masayoshi
Electrical and Electronic Engineering, Faculty of Science and Engineering, Saga University
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Aikawa Masayoshi
Department Of Engineering Systems And Technology Graduate School Of Science And Engineering Saga Uni
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