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.
This electronic variac has the traditional configuration with triac already explored on the site,...
With this oscillator we can obtain a signal of 10 W of power at the frequency of 100kHz. The...
This circuit is based on an LM3900 transconductance operational amplifier, found in 1992...