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Old 19th June 2011, 06:07 PM   #101
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I greet all fans of the extremely low distortion. Beautiful measurement Mosfet amp, 5 pairs IRFP240/9240
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Old 19th June 2011, 09:15 PM   #102
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Default Here is the measurement

Here is the measurement Mosfet amp, 5 pairs IRFP240/9240
Attached Images
File Type: jpg hqqf_bench_1kHz_Ynotone-Gtone.jpg (101.1 KB, 482 views)
File Type: jpg hqqf_bench_13w14kHz_Ynotone-Gtone.jpg (101.0 KB, 479 views)
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Old 20th June 2011, 05:30 AM   #103
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The price of two modules 340
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File Type: jpg HQQF-55-506W-5-1.JPG (142.1 KB, 481 views)
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Old 20th June 2011, 07:39 AM   #104
PMA is offline PMA  Europe
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Quote:
Originally Posted by Federmann View Post
Here is the measurement Mosfet amp, 5 pairs IRFP240/9240
You are showing measurements of the generator. All the measurements are here:

perys | perys - hqqf_spektra ? rajce.net

And these are amplifier measurements:

http://img7.rajce.idnes.cz/d0703/5/5...-Gtone-dif.jpg
http://img7.rajce.idnes.cz/d0703/5/5...-Gtone-dif.jpg
http://img7.rajce.idnes.cz/d0703/5/5...-Gtone-dif.jpg
http://img7.rajce.idnes.cz/d0703/5/5...-Gtone-dif.jpg
http://img7.rajce.idnes.cz/d0703/5/5...-Gtone-dif.jpg
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Old 25th June 2011, 01:39 PM   #105
Sendy is offline Sendy  Czech Republic
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"Original HQQF" - not Perys modification :

10kHz, 8 ohm load, limitation.

http://www.valachnet.cz/lvanek/hqqf_...0kHz_limit.jpg
http://www.valachnet.cz/lvanek/hqqf_...hard_limit.jpg

20kHz, 8 ohm load
http://www.valachnet.cz/lvanek/hqqf_...limit_stor.jpg
and limitation
http://www.valachnet.cz/lvanek/hqqf_...z_over_1dB.jpg
http://www.valachnet.cz/lvanek/hqqf_...z_over_2dB.jpg
http://www.valachnet.cz/lvanek/hqqf_...z_over_3dB.jpg

So much joy and fun and only 340

Last edited by Sendy; 25th June 2011 at 01:43 PM.
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Old 1st July 2011, 02:54 PM   #106
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Sendy:

You do silly measure, why? You must first set the operating point. I already wrote to you, you still do not understand? Measurements should look like this


Quote:
Originally Posted by Federmann View Post
They speak only empty words.




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120Vpp/4Ω
Quote:
Originally Posted by Federmann View Post
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Probe 1:1 Minimum sensitivity of the oscilloscope 5V/div
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Old 1st July 2011, 06:40 PM   #107
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These measuring was made on unit, which was personally set up by Federmann and is funny, if he is talking here about correct set up procedure...
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Old 1st July 2011, 10:01 PM   #108
Sendy is offline Sendy  Czech Republic
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Sorry, it is not funny... hubris .
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Old 2nd July 2011, 06:48 AM   #109
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Many of the measurements is:

Measuring amplifiers HQQF-55-506W-5-1, power and frequency ranges

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Old 2nd July 2011, 06:54 AM   #110
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Other measurements:

Measuring amplifiers HQQF-55-506W-5-1, a small impedance

500mΩ

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Measuring up to 200mΩ

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