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A low noise synchronous buck converter with a fully integrated second order single-bit continuous time σ δ modulator (CT-ΣΔM) based controller is presented. The converter is designed and fabricated on a 0.18 μm SiGe process. The feedback CT-SigmaDeltaM is sampled at 10 MHz with a single-bit non-return-to-zero (NRZ)(More)
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