Since two types of charges are involved (holes and free electrons), pnp and npn transistors are classified as bipolar devices (bipolar means atwo polaritiesaquot;). Figure 6-2a is the schematic symbol for a pnp transistor. An arrowhead is on theanbsp;...
|Title||:||Transistor Circuit Approximations|
|Author||:||Albert Paul Malvino|
|Publisher||:||Gregg Division McGraw-Hill - 1980-01-01|