This resistance meter circuit was found in the February 1984 issue of Radio Electronics magazine. It is based on a digital module from that time. The power supply is 5 V.
This circuit was found in a documentation for radio amateurs from the year 70. Its purpose is to...
Found in a 1974 Ferranti manual, this circuit uses diodes to limit the voltage on the transistors. The...
The circuit shown can drive loads from 500 mA to 2 A, depending on the transistor with the TTL or...