This circuit is from a 1968 publication. It uses germanium transistors from the time, having inputs with different equalizations. The power is removed from the amplifier with which it must work, being at 10 V.
This circuit is from a 1968 publication. It uses germanium transistors from the time, having inputs with different equalizations. The power is removed from the amplifier with which it must work, being at 10 V.