The integrated circuits used in this oscillator are not very common today, as we obtained it in documentation from the 1980s. The circuit must be powered by a symmetrical source.
The figure shows how to implement an amplifier with gain 10 using the operational amplifier LM41....
This circuit is from 1997 documentation. Its purpose is to start a water pump controlling the...
This circuit is from a Popular Electronics from the 90s, consisting of a repeater relay for remote...