Wideband VCO with triple tuned circuits in C-Ku band

被引：5

作者：

Tsuru, M ^{[1
]}

Kawakami, K ^{[1
]}

Tajima, K ^{[1
]}

机构：

[1] Mitsubishi Electr Corp, Kamakura, Kanagawa 2478501, Japan

来源：

2005 IEEE MTT-S International Microwave Symposium, Vols 1-4 | 2005年

关键词：

Voltage Controlled Oscillators; tunable circuits and devices; varactors; flip-chip devices; broadband communication; radar applications;

D O I：

10.1109/MWSYM.2005.1517038

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper describes a wide-band Voltage Controlled Oscillator (VCO) with the triple oscillation bandwidth and a better flatness of the phase noise in the oscillation bandwidth using triple varactor-tuned circuits. Altering capacitances of varactor diodes connected to every ports of a HBT in the same direction, the oscillation bandwidth of more than 1.5 octaves has been obtained. A fabricated VCO employing the triple-tuned circuits and a GaAs HBT has covered 1.56 octaves bandwidth achieving the phase noise of -114.9 dBc/Hz +/- 2.9 dB at 1 MHz offset from the carrier and the output power of 3.4 dBm +/- 2 dB in C-Ku band.

引用

页码：1685 / 1688

页数：4

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