Found in a 90s Popular Electronics, this circuit aims to find the voltage of a zener diode up to approximately 20 V. The transformer may have a lower current.
Using a 12 V transformer, this unit can provide a much higher output voltage. The circuit is from a 90’s...
This signal generator found in Japanese documentation of 1973 uses an unusual integrated circuit...
This sophisticated sinusoidal audio signal generator uses a Wien bridge configuration with an...