2006 European Microwave Conference 2006
DOI: 10.1109/eumc.2006.281482
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A Millimeter-Wave Highly Linear VCO MMIC with Compact Tuning Voltage Converter

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Cited by 5 publications
(2 citation statements)
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“…For frequency modulation nonlinearities, current research includes both hardware and software correction methods. Hardware techniques include using predistortion technique to compensate for nonlinearity in voltage-controlled oscillator (VCO) response characteristics [12], correcting varactor tuning curves by a tuning voltage converter [13], using direct digital synthesizers (DDSs) [14] and phased-locked loops (PLL) [15]. However, they not only raise the cost but also increase the complexity of the system.…”
Section: Introductionmentioning
confidence: 99%
“…For frequency modulation nonlinearities, current research includes both hardware and software correction methods. Hardware techniques include using predistortion technique to compensate for nonlinearity in voltage-controlled oscillator (VCO) response characteristics [12], correcting varactor tuning curves by a tuning voltage converter [13], using direct digital synthesizers (DDSs) [14] and phased-locked loops (PLL) [15]. However, they not only raise the cost but also increase the complexity of the system.…”
Section: Introductionmentioning
confidence: 99%
“…However, digitallycontrolled oscillator is very complicated and computationintensive. The voltage converter principle in [10] is to compensate linearity error in VCO tuning curve with voltage converter tuning curve but practically, it's almost impossible to model and tune voltage converter curve to be inversely matched with the characteristics curve of VCO, especially in analog circuits. Another technique is to reduce latch delay using double-differential latching comparator [1].…”
Section: Introductionmentioning
confidence: 99%