This circuit is intended for use with common oscilloscopes having been found in documentation on instrumentation from the 1970s. The capacitors are of the ceramic type with low parasitic inductance.
This circuit is from a 1957 Raytheon transistor manual. The diode can be of general-purpose...
This proximity switch or approach relay uses only transistors and directly controls a Triac. The...
The circuit presented here shows how two flip-flops of a 4027 can be connected to perform a...