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Old 12th August 2012, 12:15 PM   #2221
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ionutzxpo,
can u tell me how to check the oscillation frequency????? on which pin i should connect the oscilloscope pin to get that
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Old 12th August 2012, 01:29 PM   #2222
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some test i make and all was great!
you measure you osc frecquency on the input off the output coil
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Last edited by ionutzxpo; 12th August 2012 at 01:31 PM. Reason: answer for sweetperfume
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Old 12th August 2012, 01:39 PM   #2223
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here you go more precious indications
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Old 12th August 2012, 04:38 PM   #2224
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thienchay,
can u tell me how low voltage can be provided to your amp...
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Old 12th August 2012, 08:10 PM   #2225
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getting prob with ir2110.....no output and outputs getting red hot
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Old 12th August 2012, 09:12 PM   #2226
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Make sure you put it in the right way, i went through a whole stack of these , giving seller neg feedback accusing him of selling fakes before realizing.

After that i never again had a prollem with a IR2110 not working.

Last edited by Tekko; 12th August 2012 at 09:15 PM.
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Old 12th August 2012, 09:24 PM   #2227
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Quote:
Originally Posted by Tekko View Post
Make sure you put it in the right way, i went through a whole stack of these , giving seller neg feedback accusing him of selling fakes before realizing.

After that i never again had a prollem with a IR2110 not working.

i had tested it for more than 20 times with diff designs...in some it worked well but in others it doesnt...can u do me a favour
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Old 12th August 2012, 09:56 PM   #2228
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thienchay,
if your pcb design would be used at +/-30 can it work properly with same components
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Old 13th August 2012, 03:40 AM   #2229
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Quote:
Originally Posted by sweetperfume View Post
thienchay,
if your pcb design would be used at +/-30 can it work properly with same components
which pcb that you used? the simpler irs900d or the new more complex irs2000/3000?
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Old 13th August 2012, 04:58 AM   #2230
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irs2000d....i tried to see whether it would work at +/-30 but there was no output from 2n5401
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