The circuit of the 555 timer consists of two comparators, an SR Flip-Flop and a transistor T]4. Transistor Tu operates as switch as shown in Fig. 17.1(a). One power supply is required for its operation. Three equal valued resistors Rt = R2 = /?3anbsp;...
|Title||:||Electronic Devices and Integrated Circuits|
|Author||:||B. P. Singh, Rekha Singh|
|Publisher||:||Pearson Education India - 2009-01-01|