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Study of Gain Improvement in a Low Noise Amplifier
Ju-HoSon,Dong-YongKim 한국물리학회 2003 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.43 No.1
We design a high-gain low noise amplier (LNA) by applying a 0.25 m CMOS process for Bluetooth. Using a cascade inverter, we design a one-stage amplier that uses a reference power supply without a choke inductor. An existing one-stage LNA was an improved structure having a low power gain of 10 15 dB. The designed 2.4-GHz LNA has a noise gure (NF) of 2.2 dB and a high power gain of 21 dB.