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Lossless load current sensing ability is one of the most desirable features of contemporary current-or voltage-mode-controlled DC-DC converters. Current sensing can be used for short circuit detection, multi-stage converter load balancing, thermal control, and load-independent control of DC-DC converters (Woo et al., 2008). Recently, current sensing techniques using the existing inductor series DC...
Resonant clock distribution with distributed LC oscillators is promising to reducing clock power and jitter noise. Yet the difficulty in the integration of on-chip inductors still limits its application in practice. This paper resolves such a key issue with sub-50 ??m magnetic inductors, which are fully compatible with the CMOS process. These inductors leverage soft magnetic coils to achieve inductances...
A mm-wave voltage controlled oscillator and frequency doubler for 18-GHz applications are presented. A 9-GHz voltage controlled oscillator is implemented by using a double LC-tank resonator to improve loaded Q at high frequencies. Inductive coupling is exploited to design an 18-GHz frequency doubler, which improves spurious rejection and immunity to supply noise. The prototype is implemented in a...
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