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IC-741

How to test a diode without meter

Last Updated on: May 14, 2022 by Apichet Garaipoom
how to test a diode with tester circuit

This Diode tester circuit can check the diode the good or bad and also can indicate its polarity. using op-amp 741IC and LED for display. […]

Categories Meters & Detectors Tags Electronic Test equipments, IC-741 5 Comments

Power Supply Splitter circuit using op-amp

Last Updated on: April 15, 2022 by Apichet Garaipoom
bloock diagram of power supply splitter circuit

If you need a dual power supply. But you only have a single supply source. So should build this power supply splitter circuit.

Categories Power supply Tags Dual output power supply, IC-741, TIP41 8 Comments

Universal Preamplifiers using – NE5532 – LM382 – 741

Last Updated on: April 17, 2022 by Apichet Garaipoom
Simple preamplifier NE5532

You have a good power amplifier and speaker. You are listening to music. But the sound is very light. The problem has many reasons. One reason for the problem is the input signal is too low. You may need a preamplifier using IC. It will make the input signal is higher. Then, You will listen … Read more

Categories Preamplifiers, Amplifiers Tags IC-741 9 Comments

Treble Booster circuit using IC-741

Last Updated on: July 14, 2021 by Apichet Garaipoom
2-Treble-Booster-circuits-using-IC-741

t is Treble Booster circuit help give the sound of music that you listens to bright go up. it is cheap, easy to build because a few pats with IC-741.

Categories Amplifiers Tags LF351, Tone control, IC-741 4 Comments

Active Bass Booster circuit using IC-741

Last Updated on: June 25, 2022 by Apichet Garaipoom
purpose bass booster circuit

This is a general-purpose bass booster circuit. Why should you use this? You are listening to your favorite song. But it lacks many flavors. Friends said No Bass! Buy a new one amplifier right now. Stop… It is true. Your amplifier may less bass. But before buying a new amplifier. Try this, it probably better.

Categories Preamplifiers, Amplifiers Tags Tone control, IC-741, Low pass filter 14 Comments
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