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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

### 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

### 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

### 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

### 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

### 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