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| Electronic Schematics (alt.binaries.schematics.electronic) A place to show and share your electronics schematic drawings. |
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#1
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VFF LAMP DRIVER
Schematic attached is in reference to "Feedback for low frequency PWM
regular" subject on NG "Sci.electronic.design". Cheers, Harry |
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#2
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VFF LAMP DRIVER
My lord, all this dancing baloney for a simple pulse width lamp driver?
Jim -- "It is the mark of an educated mind to be able to entertain a thought without accepting it." --Aristotle "HarryD" wrote in message m... Schematic attached is in reference to "Feedback for low frequency PWM regular" subject on NG "Sci.electronic.design". Cheers, Harry |
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#3
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VFF LAMP DRIVER
"HarryD" wrote in message m... Schematic attached is in reference to "Feedback for low frequency PWM regular" subject on NG "Sci.electronic.design". Cheers, Harry Updated driver, controls RMS voltage across load to 9.15V +/-3% as input changes from 9VDC to 15VDC. Cheers, Harry |
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#4
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VFF LAMP DRIVER
given that you have a filament lamp load and that you use R1 as a warming
resistor, it would be good to specify the actual load. Always good to spec all the components so when folks try to build it and potentially find problems, you can ask if it was built to print grin. Instead of Foxit, try Cute-PDF Writer www.cutepdf.com Free and works with vista. No adware either. Oppie "HarryD" wrote in message m... "HarryD" wrote in message m... Schematic attached is in reference to "Feedback for low frequency PWM regular" subject on NG "Sci.electronic.design". Cheers, Harry Updated driver, controls RMS voltage across load to 9.15V +/-3% as input changes from 9VDC to 15VDC. Cheers, Harry |
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#5
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VFF LAMP DRIVER
"HarryD" wrote in message m... Schematic attached is in reference to "Feedback for low frequency PWM regular" subject on NG "Sci.electronic.design". Cheers, Harry Attached updated schematic using the UCC2803 and soft start added. Cheers, Harry |
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