4W Amplifier (CB6205E)

This high gain circuit is from 1969 General Electric documentation. The transistors are of the time, but equivalent types can be tested.

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5A Regulator (CB2179E)
This circuit was found in an Electronics Now from the 90's. The integrated regulator circuit and...
Power Operational Amplifier LM195 (CB14267E)
This circuit is suggested by National Semiconductor in its Linear Applications Handbook. It makes...
Rectangular Oscillator LM393 (CB4485E)
The circuit shown is from the 1993 Motorola Linear Interface ICs. The power source may be common...