Articles, Circuit, Components, Design, Electronics, Electronics Theory, Hobby, Hobby Circuits, Home Circuits, How components work, Power Supply, Techniques, Utility Gadgets

Hum Blocker Circuits. Simple Design 20


Hum is a nuisance in Amplifier circuits which is mainly due to improper filtering of AC fraction from the power supply and improper grounding. Hum will reduce the quality of sound from the speaker. You can easily eliminate the hum from the amplifier to get clear voice.
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Articles, Circuit, Components, Design, Electronics, Electronics Theory, Home Circuits, How components work, Power Supply, Techniques, Utility Gadgets

DC Circuit Breaker. Simple Design 19


DC Circuit Breaker

This simple Circuit Breaker can be added to the Work Bench power supply, to break power to the load when the current flow through the load increases more than 470 mA due to short circuit or power surge. It immediately breaks the power to the load and the load again gets power only if the current flow returns to normal.
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