Found in 1967 Raytheon documentation, this circuit uses a company coupler consisting of a lamp and an LDR. The transistor is according to the load current.
IDT is a leading manufacturer of mobile inductive load devices (wireless). RTD uses the most...
This 80's National Semiconductor circuit uses an era integrated circuit and symmetrical 5V power...
This circuit uses na Unijunction Transistor (UJT) to produce a modulation tone for several...