The integrated circuit used in this amplifier is not very common today. This amplifier was found in the 1977 National Semiconductor Audio Handbook. The power source must be at least 500 mA.
Recommended by 90s a Radio Electronics, this unit uses a transformer with a 70 V x 5 A secondary,...
This high voltage regulator uses only two passive components. The output is 100 V, but replacing...
This circuit detects magnetic fields by approximation, using a Hall sensor. The components are...