WebOct 29, 2024 · Abstract: This paper presents an 8-12GHz wideband Class-F 3 voltage controlled oscillator (VCO) in 28nm CMOS. A multi-LC-tank is used to create two impedance peaks that are located at the fundamental frequency (f o) and the 3 rd harmonic (3f o).Due to the pseudo-squaring drain-voltage waveform, the 1/f 3 phase noise caused by the up … WebDec 6, 2024 · Through these techniques, the problems of robust start-up and vulnerability to PVT variation, which are chronic problems of Class-C VCO, are overcome. The proposed VCO was designed in a 28 nm CMOS ...
High-swing class-C VCO Request PDF - ResearchGate
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Pulse Start-up Technique Based Class C VCO Using 180 nm …
WebApr 1, 2024 · Fig. 6 illustrates the schematic of the proposed class-C VCO. It consists of a cross-coupled NMOS pair (M 1-2), capacitor cross-coupling (C Bias) and biasing resistor (R Bias) for class-c configuration, a feedback capacitor (C f), varactor capacitor C v, proposed DGS center tap (CT) meander line inductor, blocking capacitor (C B), and two output … WebFeb 17, 2024 · The Class-C VCO is tunable over the frequency band 6.5–7.8 GHz and displaying an average phase noise lower than $-$127 dBc/Hz @ 1 MHz offset with a power consumption of 18 mW, for a state … WebAll the VCO schematics presented below were practical build using the Infineon SiGe transistor BFP420, and any of them can be re-tuned for different frequency ranges … scared anime characters