This circuit is from a documentation on the MC1539 from Motorola and may, however, be implemented with equivalent operations. The transistor also supports equivalent.
This is another one of the many versions of electronic data that we have on this website. Once...
The circuit shown can drive loads from 500 mA to 2 A, depending on the transistor with the TTL or...
The circuit shown in figure uses a photodiode as a sensor element and its main feature is to have...