Found in a 1990s American technical brochure, this circuit is intended for alarms that use as photodiode sensors. The circuit has a frequency response of up to 20 kHz. The gain is 40 dB.
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...