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What is the voltage across r39,r40?

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ravit245

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The voltage across the r39, r40 should be 0 to 28v pulse with 2usec pulse width,but is 28v to 28.4v pulse with 2usec pulse.if we think when the switches are off the total voltage will be present across those resistors,but it is not showing in simulation.if we start the pulses then only i am getting pulses of 28to 28.4v.plz explain. PUSH10K.pngPUSH10K1.png
 

Your circuit has MosFet with Imax 42Amps
Resistors allows current Ids only 2.8mA.
Try to change r39 & r40 >> e.g. 10 Ohms
 
Last edited:

kak111 said:
Your circuit has MosFet with Imax 42Amps
Resistors allows current Ids only 2.8mA.
Click to expand...
can you explain little bit more clearly.if we increase the current how voltage will be effected
 

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