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A 45 GHz millimeter-wave (MMW) VCO adopting digitally switchable metal-oxide-metal (MOM) capacitors as the tuning element is described in this work. The MOM capacitor is designed to have discrete capacitance values in order to extend frequency tuning range. The MMW VCO with the switchable MOM capacitor demonstrates an operation frequency ranging from 43.5 to 45.5 GHz. The measured phase noise at 3...
In this paper, influences on CMOS voltage controlled oscillator (VCO) caused by dummy metal fills are investigated. Two fully integrated VCOs are fabricated, tested and verified in 0.18-mum 1P6M bulk CMOS technology. The area-consuming inductors and capacitors of the VCOs are implemented by multilayer complementary-conducting- strip transmission lines (CCS TLs) and metal-oxcide-metal (MOM) capacitors,...
This paper presents a low phase noise of the complementary cross-coupled voltage-controlled oscillator, which oscillates at a range of 7.42~8.52 GHz. This VCO utilizes switching capacitor modules in which four channels are able to be selected. Moreover, We makes good use of filtering technique for reduction 1/f noise, and MOS varactors are used as fine tuning. The fully integrated VCO provides excellent...
This paper presents a low phase noise of the complementary cross-coupled voltage-controlled oscillator, which oscillates at a range of 3.64 ~ 5.37 GHz. This VCO utilizes switching capacitor modules in which eight channels are able to be selected. Moreover, MOS varactors are used as fine tuning. The fully integrated VCO provides excellent performance. The bandwidth of frequency is 1.73 GHz and the...
Thin-film Cu/BCB technology with integrated inductors, resistors and capacitors is described for the realization of high-quality on-chip and in-package Si-based passive elements. Thin-film SiP and SoC inductor and transmission line performance is compared. A SiP 7GHz power splitter, a 50GHz BPF, and two 90nm CMOS VCO operating at 5.8GHz and 15GHz with on-chip thin-film inductors are discussed.
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