We found this circuit in a 90s Radio Electronics. The circuit generates frequency-modulated 220 kHz signals. The components used are still common.
The circuit shown in the figure consists of a phase shift oscillator and its components have been...
Indicated on an 80's Radio Electronics, this circuit provides at its output a voltage that is the...
This charger sources currents in three ranges: 10 mA, 25 mA and 50 mA; Current is sellected...