This peak detector has a memory to prolong the response. The circuit is from American documentation from the 1980s. The supply does not have to be symmetrical.
Found in old documentation, this circuit is the receiver for the previous circuit. Components are...
We found this circuit in the 1994 Linear Applications Handbook by National Semiconductor. The...
This circuit switches the capacitors of a digital filter with the 4046 IC (PLL). The circuit was...