A push–pull Class ZVS RF power amplifier with two RF chokes is depicted in Fig. 5.20 [5]. The circuit with the two RFCs can be simplified to the form depicted in Fig. 5.21. This amplifier consists of two transistors, two shunt capacitors , RFC, center-tapped transformer, and series-resonant circuit driven by the secondary winding of the transformer. The transformer leakage inductance is absorbed into the resonant inductance , and the transistor output capacitances are absorbed into shunt capacitances .
Figure 5.20 Push–pull Class E ZVS RF power amplifier with two RF chokes [5].
Figure 5.21 Push–pull Class E ZVS RF power amplifier.
Voltage and current waveforms, which explain the principle of operation of the amplifier of Fig. 5.21, are depicted in Fig. 5.22. The dc supply voltage source is connected through an RFC to the center tap ...
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, RFC, center-tapped transformer, and series-resonant circuit driven by the secondary winding of the transformer. The transformer leakage inductance is absorbed into the resonant inductance 
, and the transistor output capacitances are absorbed into shunt capacitances 
.
is connected through an RFC to the center tap ...