Maker Factory ELECTRONICS EXPERIMENTS BOX Manual page 288

Circuit 114: In a push-pull amplifier, the two power amp transistors are sharing the job. T2 takes over all half
waves with the higher voltage, T3 manages the half waves with the lower voltage during an inactive state,
current flowing through T2 and T3 is very small.
290
Fig. 3.114: Circuit
114 – Iron-free
push-pull output
stage for Piezo
horns
Fig. 3.115: Circuit 115 – Flicker-
ing light