This circuit consists of two stages that each shift 180 degrees the signal. The circuit was proposed by Siliconix in a 1966 publication. Equivalent FETs can be used.
E) This soft start dimmer was found in a Motorola documentation from 1968. However, it can be...
This circuit is used to run light bulbs around street signs. Incandescent lamps up to 40 W are...
This simple amplifier uses a microphone attached to the telephone. The 3-transistor circuit was...