This is the power step of the previous circuit. Output transistors must be mounted on good heat sinks. The circuit is from documentation from the 60s.
Suitable for operation with high impedance microphones, this circuit was found in American...
Analog Devives EVAL AD5941 Electrochemical Evaluation Board This board provided by Mouser...
When the power is turned on, the output of this circuit goes to the “1“ logic level by a time...