A highly linear and efficient driver amplifier for 1.6 GHz navigation transmitter application
2010
This paper presents the design of a driver amplifier for 1.6 GHz navigation transmitter application based on 0.35um RF CMOS process. In this work, a two-stage topology is proposed. The first stage employs two parallel transistors working in class AB and B mode respectively to improve the linearity and efficiency of the driver. The second stage utilizes a class AB common source amplifier to further increase the performance. The simulated results exhibit a maximum OIP3 of 17.3 dBm, a PAE of 57%, a saturated output power of 18.5 dBm, a power gain of 26 dB with a total dc current consumption of only 5.4 mA from a voltage supply of 3.3 V.
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