We found this circuit in the Audio Handbook of the National Semiconductor of 1977. The circuit is used to recover vinyl media for recording on other media.
This circuit interrupts the power supply when grounding is missing. The circuit is from an old...
We found this circuit in an old American documentation. The circuit applies to modern equivalent...
The trigger shown in the figure, built around a 4093 can generate pulses that reach 1 hour with a...