This small source for low consumption projects was found in an old national documentation. The transistor is for general use and the transformer has 50 to 100 mA of secondary current.
This circuit can be installed inside a toy space gun to produce a “Phaser” effect. The circuit is from...
Found in an English publication from 1967, this circuit generates 5 kHz signals with harmonics that...
The characteristics of this amplifier that does not require a symmetrical source are given in the...