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.
Found in Motorola's 1968 power circuit manual, this circuit has a high input voltage and no...
The circuit shown in the figure can be used to detect vibrations or to provide amplified acoustic...
This circuit is from a1970 documentation. R1 may have 10k and P1 47k. The transistors can be BC558...