Unlike traditional Class AB designs, its bias current does not depend on temperature and no adjustment is required. Diodes D1 and D2 are on when transistors are not conducting so the op-amps are ...

The class AB amplifier is a type of push-pull amplifier that’s similar to a class A push-pull amp. The only difference is that two biasing resistors, both designated R in Figure 2, are chosen to ...

Transistors often find use as three-pin amplifier devices, in which the input and the output share one pin. Thus, the input and the output must have the same voltage at this pin. On the other hand, a ...

I’d suggest the series complete covering the basic Class A amp, in FETs and valves. After that, cover push-pull as the subject moves through Class AB, B, C, and eventually Class D. Report comment ...

Bias circuits for class AB buffers don't have to ... Figure 4 shows one half of a headphone stereo amplifier with THD . 0.005% ... it is omitted in a practical circuit and diodes D1-D4 can be ...