A pair of the LDMOS devices form the heart of the push-pull amp, as do an array of custom-wound toroids and transformers including a transmission line transformer wound with 17-ohm coax cable.

There are a lot of better audio amplifier chips these days if ... By Rohitbd CC BY-SA 3.0 In fact, it’s a classic push-pull amplifier. The basic design uses two output transistors, one for ...