The figure shows how to implement an amplifier with gain 10 using the operational amplifier LM41. The circuit is from a publication from May 1989.
) This variable frequency oscillator was found in an old American documentation. Transistors allow more...
Found in the September 1982 issue of Radio Electronics magazine, this circuit triggers a relay...
Using a 106 series SCR, this circuit was found in the May 1971 Radio Electronics magazine. The...