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Old 7th April 2005, 10:57 AM   #1
Oxujens is offline Oxujens  Lithuania
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Unhappy help me with OPA541

Hello, i got 4 OPA541, and i want to try em, but dunno know their scheme, i got datasheet, but cant understand ;/, cant understand where i have connect loudspear and limit rezistor, please someone help
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Old 7th April 2005, 11:40 AM   #2
boholm is offline boholm  Denmark
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http://focus.ti.com/lit/ds/symlink/opa541.pdf

Page 3, on top and to the left. Resistor calculations on page 6.

Also try this: http://www.diyaudio.com/forums/searc...der=descending and start reading because theres are a lot of good stuff in there to learn from.
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Old 7th April 2005, 11:59 AM   #3
wxn is offline wxn  Lithuania
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It's resistor, not rezistor
angliskai mokykis
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Old 7th April 2005, 12:02 PM   #4
Oxujens is offline Oxujens  Lithuania
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gyvenu ir mokaus
Maybe someone got another scheme for this chip?
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Old 7th April 2005, 06:18 PM   #5
Oxujens is offline Oxujens  Lithuania
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so noone cant help me :/, what scheme you have used?
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Old 7th April 2005, 06:24 PM   #6
kinser is offline kinser  Israel
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Oxujens,

I have a schematic for you! used it many times with the OPA541.

Hope I t helps you!

Kinser
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File Type: jpg opa541.jpg (40.2 KB, 258 views)
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Old 7th April 2005, 06:26 PM   #7
Oxujens is offline Oxujens  Lithuania
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thnx men !!! i`m very happy
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Old 7th April 2005, 08:24 PM   #8
Oxujens is offline Oxujens  Lithuania
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i wanna ask you one question, resistor R5 is 2.7 om or 2.7Kom ?
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Old 7th April 2005, 08:30 PM   #9
wxn is offline wxn  Lithuania
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2.7om, it's a standard zobel.
pavartyk sita foruma ir nebekils tokiu klausimu...
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Old 7th April 2005, 08:33 PM   #10
Oxujens is offline Oxujens  Lithuania
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bent ismokau normaliai parasyt zodi resistor ), vistiek aciu and thnx for answers
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