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Q&A

Posts tagged DC

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77%
+5 −0
Q&A Soft-start circuit behaviour

Let's take a soft-start circuit that looks like this: To my understanding, the function can be described as follows: C1 charges to open the gate. Value of C1 will dictate the soft-start delay...

1 answer  ·  posted 10mo ago by Mu3‭  ·  last activity 9mo ago by Olin Lathrop‭

Question MOSFET DC
66%
+2 −0
Q&A Circuit which create ac sine wave from dc pulsed signal

A full wave rectifier converts a sine wave to DC pulsed signal of double frequency. Is there a circuit which does the reverse process?

2 answers  ·  posted 2y ago by MissMulan‭  ·  edited 10mo ago by Lorenzo Donati‭

Question AC DC
77%
+5 −0
Q&A Possible stray current corrosion in reinforced concrete

I have a question about stray current corrosion in reinforced concrete. I am working on a project in a parking garage with PV-panels on top of the roof. The ground is directly connected to reinforc...

1 answer  ·  posted 1y ago by Willem ‭  ·  edited 11mo ago by Lorenzo Donati‭

80%
+6 −0
Q&A DC offset correction loop (DC servo loop). What's its advantage, compared to a high-pass RC filter?

Once in a while in literature I see a DC offset subtraction loop. Here are a few more examples. DC servo loop removes a DC offset after an op-amp. DC servo loop removes DC current from a photo...

2 answers  ·  posted 1y ago by misk94555‭  ·  edited 11mo ago by misk94555‭

Question DC opamp integrator
71%
+3 −0
Q&A How to check realistic specs of small solar panel?

I have a small solar panel rated for 6V/DC, 150mA. I know that those specs are under ideal circumstances, and I would like to do some measurements in different weather conditions to see what I can ...

3 answers  ·  posted 1y ago by Keelan‭  ·  last activity 1y ago by Olin Lathrop‭

83%
+8 −0
Q&A How long does it take for energy to propagate in a circuit?

The premise In a recent video by the pop-sci channel Veritasium, the concept of the flow of electricity and energy transmission in a circuit was discussed. In that video a thought experiment is pr...

5 answers  ·  posted 2y ago by Mu3‭  ·  last activity 2y ago by coquelicot‭

Question power DC
60%
+1 −0
Q&A Extract DC component of mixed signal

How can we extract a DC signal from a mixed signal?If we want to extract the AC component of a signal we can use a blocking capacitor to remove any DC offset but how do we achieve the opposite?Can ...

1 answer  ·  posted 3y ago by MissMulan‭  ·  last activity 3y ago by Andy aka‭

Question voltage AC DC