Questions tagged [ac-signal]
5
questions
2
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2
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Calculating Transformer Turn Ratio with a low coupling coefficient
I have a transformer with a turns ratio of 6:24 (primary to secondary turns). I measured the primary inductance to be 3.05 microhenries (uH) with the secondary open and 1.725 uH with the secondary ...
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Transistor failure in multi channel high frequency AC signals
[Intro]
To begin with, I am an undergraduate electrical engineering student working on my senior project. I wanted to make a wireless charging pad like that of Tesla's wireless charging platform and ...
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votes
1
answer
109
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Thermal voltage when applied AC voltage
I know what thermal voltage is and what it does to the semiconductor, ie. it's the agitated electrons producing electric fields proportional to the absolute temperature.
But, like the "r'e", ...
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3
answers
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Analysis of Preamp circuit
I found this schematic (in Spanish) and annotated it with my interpretation. Anyone care to correct me or add?
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votes
1
answer
405
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Measuring AC signals from sensors
I have a non invasive current sensor SCT 013-030 and I connected it to an AVR mcu using this circuit below (circuit 1).
Circuit 1.
simulate this circuit – Schematic created using CircuitLab
...