Abstract
In this article, a 0.25 μm monolithic complementary metal–oxide–semiconductor (CMOS) 2.4 GHz voltage-controlled oscillator has been demonstrated to have a tuning efficiency of 390 MHz/V, a phase noise of −94 dBc/Hz at a 100 kHz offset, and an output power of −3.76 dBm. In addition, a one-stage CMOS microwave power amplifier has also been presented. The transducer gain (S21) is 15.3 dB at 2.4 GHz, and the return loss (S11) is greater than 15 dB. This power amplifier could deliver a 16.2 dBm output power, a 15 dB power gain, and a 27% power-added efficiency.
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