Newnes Circuit Calculations Pocket Book

Transistor amplifiers 263

In (1) the signal is applied between the base and emitter and the

output taken from the collector.

In (2) the signal is applied between the emitter and base and the

output taken from the collector.

In (3) the signal is applied between base and emitter and the output

taken from the emitter.

In order to understand how the transistor works, it is necessary to

consider the properties of all three, and in particular to calculate the

static (d.c.) values and the dynamic (a.c.) values of the various

parameters associated with the three methods of connection.

All circuits considered in this chapter use n-p-n transistors, p-n- ...