This circuit is from a Mallory 1968’s documentation. The integrated circuit is of the time and the transistor admits equivalents.
This circuit is from a 1970 publication. The time constant is given by 1.3R x C where R is the...
This circuit was originally designed to measure the gain of two-door RF MOSFETs as indicated by...
The circuit in the figure below is suggested by Sanyo and provides 10 W power at 4 ohms and 6.8 W...