Found in a 1967 Electronic Design, this circuit changes the phase of a signal in 8 different ways, given by the formulas next to the diagram. Equivalent general-purpose transistors can be used.
The purpose of this 1-transistor amplifier is to allow the use of a milliammeter in an application...
This circuit causes one LED to light up if the voltage falls below the value set in R3 and the...
This circuit was found in a 1986 documentation and it may be difficult to obtain some of its...