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Old 17th March 2004, 04:30 PM   #1
jam is offline jam  United States
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Default Amplifier Topologies

Do you have any particular topology or design you like. Please post it here and any reasons why you care for the design. Maybe our resident guru's (Pass, Curl and Hansen) would join in and share their ideas.

My entry............
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Old 17th March 2004, 05:51 PM   #2
subwo1 is offline subwo1  United States
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Do simulated only circuits count? Or are you interested in only built and proven amps?
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Old 17th March 2004, 06:49 PM   #3
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Simulated circuits do count but there is nothing like a working unit because simulations don't always tell the whole story, but any ideas are welcome.

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Jam
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Old 17th March 2004, 07:09 PM   #4
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You don't have to build or simulate them to make them
interesting, but I suggest that you keep them relatively
simple, so that the point of the topology is visible to
most.
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Old 17th March 2004, 07:24 PM   #5
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Good point Mr.Pass,so here goes..................comments.
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Old 17th March 2004, 07:51 PM   #6
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Your input ground is attached to the negative rail.
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Old 17th March 2004, 08:01 PM   #7
subwo1 is offline subwo1  United States
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I removed the diode and got better performance. With it in, the clipping was premature on the positive peaks, while without it the situation was better. Could you explain what the diode does?
Overall, not bad I think for just one gain stage.
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Old 17th March 2004, 08:06 PM   #8
mwh-eng is offline mwh-eng  United States
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Is there a connection at the bottom 470 ohms and the cathod of CR470?
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Old 17th March 2004, 08:09 PM   #9
jam is offline jam  United States
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In the original the input is transformer coupled.

http://perso.wanadoo.fr/jm.plantefeve/Gibouin.html

hope you can read French. Has anyone built this?

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Jam

mwh-eng the answer is no.
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Old 17th March 2004, 08:15 PM   #10
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CR470 is a current diode.

http://www.datasheetcatalog.com/datasheet/C/CR470.shtml
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