This integrated amplifier was found in a non-existent British magazine from 1975. The used integrated circuit is still popular and the mono bridged version can provide 36 W output power. 4 A.
This circuit is based on a double operational amplifier of type NE5512 and is suggested by Philips...
The presented circuit uses an LM3900, transconductance operational amplifier. It was found in the...
This sensitive 4-transistor signal follower can be used in both audio and RF circuits. P1 is a...