Cascode class-E power amplifier in 180/350 nm CMOS for EER system

Cascode class-E power amplifier in 180/350 nm CMOS for envelope elimination and restoration system is presented. Designed amplifier achieves 21 dBm output power and 44% PAE at 1900 MHz with 3 V supply voltage. Charging acceleration technique is used for efficiency enhancement. ESD protection problem is discussed.

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