This circuit produces a soft turn-on for halogen lamp filaments upon powerlng up，MOSFETRI used is a BUZ10, which has 0.2Ω RDS on.R1,R2，and C1 set the turn-on rate and D1…
Author
iainhendry
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This is quite a common power supply, a lot of the simple breadboard power supplies available on Ebay are based on this kind of design. Many of the parts are…
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The LM380 is a power audio amplifier for consumer application. There are 2 versions an 8 pin DIP package and a 14 pin package where pins 3, 4 , 5…
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The LM386 is a low voltage audio power amplifier. It is suitable for battery-powered devices such as radios, guitar amplifiers, and hobbyist projects. This comes in a 8 pin dual…
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This is another basic circuit using a transistor, you can use this as a noise source for testing an amplifier for example. Schematics Parts List QTY PART-REFS VALUE…
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This is a simple logic probe based around a transistor A Logic low will switch the LED off A logic high will switch the LED on Schematic Parts List…