Abstract:A simplified output matching network for pulse width modulated Class-E Power Amplifier for efficiency enhancement at back-off power level is proposed. The shunt capacitance and the series inductance in the Class-E PA are realized through capacitor banks that are tuned according to the duty cycle to meet ZVS conditions. The differential PA design is implemented in 130 nm CMOS technology achieving maximum P out of 24.8 dBm at 1.8 GHz with PAE better than 38% at 50% duty cycle. The output power is modulated with … Show more
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