Tube Power Source (CB6743E)

This circuit is from a high voltage tube source. It does not include the filament voltage that must be supplied by a separate transformer.

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TDA7050 Low Power Stereo Amplifier (CB15398E)
The power of this small amplifier reaches 75 mW per channel depending on the voltage and the load...
100 LED Control (CB18972E)
This circuit can be used as a shield to control the matrix flow of 100 LEDs from a single output of...
Magnetic Transducer Amplifier LM139 (CB14230E)
The circuit shown below was found in the National Semiconductor Linear Applications Handbook...