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 circuit is suggested by General Electric in 1966 documentation. The Triac must match the...
This circuit is from an American publication of 1977. The tunnel diode admits equivalents and the...
This circuit was obtained in a 1972 Corriente Alterna magazine (Uruguay), using the traditional pair of...