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peak and hold circuit

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peak and hold circuit

Postby crowe18 » Tue Nov 12, 2013 8:07 pm

Hi
I have 12 volt dc 1-valve print head that operates by Pulse-width modulation. The 12volts is constant for no more than 200 microseconds and then it has 3volt Holding pulse till the duty cycle is finished which is around 1200 microseconds. My problem is I can’t find a peak and hold circuit to solve the switching between 12volt and 3volts with a holding Capacitor.
crowe18
 
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Re: peak and hold circuit

Postby pebe » Wed Nov 13, 2013 6:08 am

What is a 12V dc 1-valve print head?
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Re: peak and hold circuit

Postby crowe18 » Wed Nov 13, 2013 8:34 am

it is for printing dots and barcodes, i am unable to upload PDF manual for it
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