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.
This circuit was found in a 1980s documentation. The circuit uses common components having an...
This indicator, shown in the figure and suggested by National Semiconductor, causes an LED to...
This circuit generates three outdated signals whose frequency is given by the time the signals...