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Mosfet amp, 5 pairs IRFP240/9240
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Old 7th June 2011, 08:28 PM   #51
Sendy is offline Sendy  Czech Republic
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No, that was a warning.
Big differences between proclamations and reality.
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Old 8th June 2011, 10:00 PM   #52
Federmann is offline Federmann  Czech Republic
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Quote:
Originally Posted by Sendy View Post
No, that was a warning.
Big differences between proclamations and reality.
They speak only empty words.




Click the image to open in full size.

120Vpp/4Ω

Last edited by Federmann; 8th June 2011 at 10:03 PM.
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Old 8th June 2011, 10:02 PM   #53
Federmann is offline Federmann  Czech Republic
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100kHz/116Vpp/8Ω M??ení zesilova?e HQQF-55-506W-5-1 pot?etí
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Old 8th June 2011, 10:05 PM   #54
PMA is offline PMA  Europe
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Mosfet amp, 5 pairs IRFP240/9240
Quote:
Originally Posted by Federmann View Post
They speak only empty words.
Click the image to open in full size.

120Vpp/4Ω
Sorry, it looks like 12Vpp. 6div x 2V.
Attached Images
File Type: png 10kHz_4ohm.png (7.7 KB, 572 views)

Last edited by PMA; 8th June 2011 at 10:08 PM.
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Old 8th June 2011, 10:07 PM   #55
Federmann is offline Federmann  Czech Republic
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Probe 1:10
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Old 8th June 2011, 10:09 PM   #56
Federmann is offline Federmann  Czech Republic
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Probe 1:1 Minimum sensitivity of the oscilloscope 5V/div
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Old 8th June 2011, 10:10 PM   #57
PMA is offline PMA  Europe
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Mosfet amp, 5 pairs IRFP240/9240
Really? I thought the transformer was 2 x 36V. I can't imagine getting 120Vpp from such PSU.
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Old 8th June 2011, 10:17 PM   #58
Federmann is offline Federmann  Czech Republic
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Was measured another module. Supply voltage ± 66V.

Transformer 2 x 36V. Will be measured tomorrow.
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Old 8th June 2011, 10:22 PM   #59
PMA is offline PMA  Europe
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Mosfet amp, 5 pairs IRFP240/9240
Thank you for the explanation. I thought these images were related to your amp that was under test on Saturday, 4th June.
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Old 8th June 2011, 10:28 PM   #60
Federmann is offline Federmann  Czech Republic
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Have a nice night.

Bob
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