Abstract

Current-reuse and gate-modulation techniques have been presented for ultra-low power and low phase noise quadrature voltage-controlled oscillator (QVCO) design. The proposed topology overcomes the trade-off between low phase noise and low power consumption. Results demonstrate a phase noise of −123.7 dBc/Hz at 1 MHz offset while consuming only 680 uW (including output buffers) with a 1.1 V supply.

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