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Electronics Students (82)

Discussions Replies Latest Activity

How does a circuit work in a electron's or hole's world?

We've learned a lot on how a circuit works in a LPM system,and some may also have learned how the BJT works in the carriers' world. But wha…

Started by Kimly

1 Aug 14, 2012
Reply by Jerry

Separation of Grounds

What is meant by seperation of grounds when we say seperate the grounds of control signal and power electronic circuit?  But we still use t…

Started by Zman

1 Aug 13, 2012
Reply by Jerome Trent

Measuring capacitance

Hi guys: Im measuring capacitance right now and now i want to know if u can use the capacitor if the farad value is higher than the origina…

Started by Jerry James

1 Aug 8, 2012
Reply by Jerry

zener diode as a voltage regulator

zener diode as a voltage regulator hi allwhen zener diode is used as a voltage regulator how does the output voltage retained as constant a…

Started by Kimly

0 Aug 7, 2012

LM358 Current Sensor Problem

0.01 ohm current sensor with LM358 problem? Hi, I am having problem wiith the attach circuit. It is simple non-inverting dc amplifier with…

Started by Zman

0 Aug 7, 2012

Calculation of choke value

Hello, I destroyed recently a computer Power Supply , and opened it. Among heatsinks, dust, cables, silica seals, screws & o-ring washe…

Started by Kimly

1 Jul 27, 2012
Reply by Jerome Trent

FM Video Demodulation

Hi everybody, I am not very familiar with video standards. I need to know if I can demodulate an FM modulated video signal with TDA9886. On…

Started by Zman

1 Jul 27, 2012
Reply by Jerome Trent

Which Class Audio Amplifier should I use?

Hello everyone, I am designing a circuit for audio amplifier. I know there are classes for amplifiers. Class A(low efficiency and mid Q poi…

Started by Jerry James

0 Jul 21, 2012

Charging a Capacitor

Can someone please explain this to me? http://www.youtube.com/watch?v=e3NDH-JDxXM In this video it seems as though he charges a capacitor t…

Started by Jerry James

1 Jul 16, 2012
Reply by Jerome Trent

Question about Voltage and Current

After reading texts, I am confused with Voltage and Current. As per Ohms law, V = IR. When texts explain for a given circuit, they always t…

Started by Kimly

1 Jul 16, 2012
Reply by Jerome Trent

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