This 80's circuit has been winning. It is a 1 000 gain sample and hold circuit and an offset current setting. The configuration can be adapted to operate with modern equivalent components.
Two potentiometers mounted at right angles, so that they can be operated by a lever, form a very...
We found this circuit in an 80's manual. The same configuration can be adapted to make use of...
When the input signal disappears, the capacitor keeps the circuit powered for a time that depends on...