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 documentation from the 70s. The transistors are from that time, but the...
This circuit can be used both as a beat oscillator and for testing and adjusting AM receivers for...
Found in 969 documentation, this circuit generates sweep signals from 1 Hz to 100 kHz. The...