This 80's circuit uses an audio amplifier to obtain a symmetrical source from a single source. The maximum current is on the order of 1.3 A and the input voltage must not exceed 20 V.
This general purpose circuit was found in a Popular Electronics. It is intended for detecting the...
May 2017 - Vishay's new AC0x..CS series safety wirewound resistors can now be obtained from Mouser...
We found this circuit in an Argentine documentation from 1973. The transistor admits a more modern...