Abstract:In a modern communication system, voltage-controlled oscillator (VCO) acts as a basic building block for frequency generation. VCO with LC tank is preferred with passive inductor and varactor in radio frequency. Practical tuning range of VCO is low and unsuitable for wideband application. Switched capacitor and inductor can widen but at cost of chip area and complex system architecture. To overcome it, an equivalent circuit of the inductor is created. In this work, inductor-less VCO is implemented with CMOS 90… Show more
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