With this simple circuit it is possible to simulate a telephone line for carrying out repairs on telephone sets. The transformer must be 36 V and the diode can also be 1N4004.
This simple general-purpose transistor mixer was taken from an article in Electronics Now magazine in...
In the figure we have an increased dynamic response configuration with the use of a transistor (TR3) in...
This triac control shield uses an opto-diac to control a triac. The circuit is optimized for the...