Can any one explain this

325

08:00:27

Wtf

published 11 years ago

hurz

11 years ago

Describe Were-TF you see a problem and try to be objective in numbers and units if possible

Orst

11 years ago

After condenser is charged you can see 30kHz random signals. Why so random?

Orst

11 years ago

Not quite random, but 3 3 1 2 3 3 ...

Ausama

11 years ago

Resonance..

ShatteredRAM

11 years ago

I would argue that its simulation error, the peak to get sometimes when switching is inductive kick, put a reverse diode across the inductor to prevent it.

rich11292000

11 years ago

Imperfection simulation?

faceblast

11 years ago

that's just math noise from the simulation engine

faceblast

11 years ago

there's a tiny amount of leak through the diode, but not enough to calculate fully. pretend it's 0

hurz

11 years ago

A few days ago i published an explanation for this "problem" check this http://everycircuit.com/circuit/4956200082866176 or search for "Explanation for pradiv" hope this helps to understand.

Orst

11 years ago

But without diode its normal basic oscillatory circuit

hafiz09

11 years ago

After switching capacitor is at 1v n after we switch the circuit formed is a TANK circuit(basic osc) which causes oscillations in positive half due to charged capacitor n in negative half due to inductor(breakdown) ...but oscillations will ultimately damp ...but simulators do not take energy losses per cycle into consideration.

hurz

11 years ago

See the LED as 5pF cap and together with 6uH coil you get a resonace of about 30MHz if you slow down simspeed to about 30ns/s you can see a normal TANK behavior. No need to blindly blam the simulator.

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