This circuit of a Popular Electronics from the 90s makes use of components of the time. The circuit has sampling and retention capabilities and a conversion rate of 1V / kHz.
Found elsewhere in this section, this circuit mimics the noise of a steam locomotive. This was...
We found this circuit in an English publication from 1980. It provides a logical output signal when...
This sophisticated decade of benchtop resistors was found in the November 1989 issue of Radio...