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3
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1answer
52 views

What Does 8 x 20-µs and 10 x 1000-µs Mean in Surge Testing Terminology

I'm trying to understand the meaning of 8 x 20-µs and 10 x 1000-µs standardized transient impulses (or sometimes it's called a waveform). But what does it actually mean. Why is there a ...
3
votes
0answers
47 views

Handling Transient Currents on USB Powered Devices

I'm working on a USB-powered speaker design and could use some thoughts or design inputs from the community. The data part is pretty simple - USB powers an I2S bridge that talks to an I2S amplifer. ...
0
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3answers
82 views

Measuring a high dynamic range current decay with different amplifier gains

I would like to see a current decay from a photodiode with a high dynamic range. By saying "high dynamic range", I mean it decayed from about 1uA down to 100pA or 10pA. I tried with a linear ...
3
votes
2answers
171 views

How to solve a transient circuit

Given this circuit considering that before the switch closes the network is in a steady state. What steps should one follow to trace \$V_{L1}\$ before and after the closing of the circuit ? As far ...
-1
votes
3answers
187 views

how many caps required for 3.3V rail for 500ma?

How much capacitance do I need on 3.3V rail with loading of ~500mA? I have 22uF caps that I can use. In general, what is a good rule of thumb on how much capacitance required based on a voltage rail ...
7
votes
3answers
316 views

About SPICE: Should I use transient analysis or DC linear analysis?

My question is specifically linked to an exam problem where I had to find a function in terms of time for the current on a capacitor and a resistor. The circuit was very simple: A current time-variant ...
1
vote
1answer
117 views

Transients and shielding in power transmission/distribution lines?

I've been lurking for some time on the board here - but hadn't had occasion to ask a question until now: Does anyone have experience with power distribution networks and their impacts on sensitive ...
3
votes
2answers
125 views

Transient Protection

What does Transient Protection mean? I'm looking at a datasheet that explains transformerless PSU's, and there is an example schematic that shows a varistor or MOV that provides transient protection ...
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0answers
384 views

Can SPICE simulate inductive device flyback effects?

Following up my earlier question, can SPICE simulate inductive device flyback effects? I would expect so, because this would seem to be a critical part of simulating a switching power supply design. ...