go to the yahoo groups homepage, log in and go to the doepfer group
page. there's an option to leave the group there.
hth

On 5 Apr 2008, at 10:31, Jordi Sampe Farre wrote:

> Hello, please, can you tell me what I can do it for no recieve more
> mail form Doepfer group Thanks and best from Barcelona
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> To: Doepfer_a100@yahoogroups.com
> From: hardware@...
> Date: Fri, 4 Apr 2008 17:11:59 +0200
> Subject: AW: 1 simple fixed slew limiter
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>> hi group,
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>>
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>> i was wondering if it's possible to build a simple (passive ) slew
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>> limiter with a view to rounding off a gate signal enough to
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>> reduce/remove the clicks produced by controlling vca's with gate
>> signals.
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>>
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>> i googled, but came up with a ton of stuuff that's a bit more than i
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>> need.
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>> i need no voltage control, indeed not even a variable slew rate.
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>> any ideas
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>> thanks,
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>> stu
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> The simple low pass on the DIY page should do the job. The values
> for R1 and
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> C1 depend upon the desired slew rate which is ~ R1*C1. With 1uF and
> 10k you
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> obtain ~ 10 ms slew rate. The upper half of the A-170 uses this
> circuit
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> (with R1 as a combination of a fixed resistor and a potentiometer)
> followed
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> by a buffer amplifier to avoid voltage losses caused by the load
> connected
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> to the R/C combination. But for simple Gate/VCA control a small
> voltage loss
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> should not be a problem.
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> Best wishes
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> Dieter Doepfer
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