This circuit was obtained in a Hobbyst Handbook from 1990. The circuit can be easily assembled since the SCR can be a TIC106 and the transistor a 2N30555.
Obtaining a voltage that is proportional to a current drained by a load can be important in...
The filter shown in the figure, suggested by National Semiconductor, only allows frequencies above...
This circuit allows you to find two diodes with equal characteristics. The circuit was found in a...