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Old 25th January 2013, 12:34 AM   #1
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Talking Three Transistor push-pull amp

I found this website and it sounded interesting, so I upload the link:

It has several issues but I want to try here is: pull amplifier push-pull three transistors.

a video of the web page:

Niep 002 - YouTube


Web site:
https://sites.google.com/site/anilandro/Home

link the web site:
https://sites.google.com/site/anilandro4/02142-niep-003

Last edited by SERGIODS; 25th January 2013 at 02:15 AM.
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Old 25th January 2013, 02:12 AM   #2
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Quote:
Originally Posted by SERGIODS View Post
I found this website and it sounded interesting, so I upload the link:

It has several issues but I want to try here is: pull amplifier push-pull three transistors.

a video of the web page:

Niep 002 - YouTube


Web site:
https://sites.google.com/site/anilandro/Home

link the web site:
https://sites.google.com/site/anilandro4/02142-niep-003
I upload the file to nultisim
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Old 28th January 2013, 02:45 PM   #3
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Talking scheme

I upload a picture to be more didactic.
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File Type: jpg iep-042.JPG (33.1 KB, 149 views)
File Type: jpg iep-128 (1).jpg (66.3 KB, 148 views)
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Old 28th January 2013, 03:38 PM   #4
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Lightbulb full info

upload in pdf:
Attached Files
File Type: pdf primera parte.pdf (230.1 KB, 14 views)
File Type: pdf segunda parte.pdf (279.7 KB, 6 views)
File Type: pdf tercera parte --.pdf (850.0 KB, 6 views)
File Type: pdf cuarta parte.pdf (370.3 KB, 5 views)
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Old 28th January 2013, 03:54 PM   #5
lineup is offline lineup  Sweden
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I'm afraid you will get high distortion.
But the circuit will work.

Big problem can be when using 8 Ohm loudspeaker. Circuit shows 25 Ohm.
If you use 32 Ohm, or more, headphones it might work okay.
But you can count on rather high distortion anyway.
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Old 28th January 2013, 05:31 PM   #6
djoffe is offline djoffe  United States
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There are a few little changes you could make that would greatly improve the performance. Add Bootstrap Cap C9, and take the feedback from the output, rather than from the driver. See the enclosed schematic. Otherwise, I tried to leave it much as it was...

Akitika GT-101
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