Power Management for Integrated RF ICs

As more building blocks are added to a radio-frequency integrated circuit (RFIC), more sources of noise coupling arise, making power management increasingly important. This article describes how power-supply noise can affect the performance of RFICs. The ADRF6820 quadrature demodulator with integrated phase-locked loop (PLL) and voltage-controlled oscillator (VCO) is used as an example, but the results are broadly applicable to other highperformance RFICs.

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