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Hi FvM
So is it I need an extra active circuit to drive the mosfet?
I have no idea about this. Perhaps can you help?=)
Hi BradtheRad
I changed mosfet to IGBT.
I get the waveform as the attachment.
but the output voltage as you can see is zero :-?
actually I get the same waveform even I use...
hi BradtheRad
I tried the drawing on post #8
but the output still extremely low.
I tried to connect that to PIC instead of clock,
facing the same output too.
ahhh, hoping I can get the output right:cry:
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hi FvM,
what did you mean level conversion ?
hi BradtheRad
thanks for the effort=)
I have read before the zeta article link that you provided.
yeah! about the stimulation 12V stepped up to 18V is the correct output if according to the formula shown in the link which is Vout= [D/(1-D)] Vin.
However for 12V stepped down to 6 V, I calculated...
hi BradtheRad
actually most of converter circuits look almost the same, except the way of components arrangement..
that one is zeta converter, I guess it is not that common ..
hmm ..confusing
Hi all,
the attachment shown my circuit drawing,
that one is a zeta converter can increase or decrease output voltage by adjusting duty cycle using PWM as the feedback.
but i cant get the correct result.
would like to ask is there any wrong with the circuit?
the mosfet i dont know which to...
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