The integrated circuit used in this application is uncommon, but equivalent operational ones can be used. The circuit is from the Signetics integrated circuits manual from 1972.
This circuit, found in a 1992 documentation, uses an uncommon integrated circuit today. With few...
E) Using a CA3130 this preamp has excellent gain. The power supply does not have to be...
The operational amplifier using this 80's circuit is a double 741 of the time. The circuit may be...