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Old 30th August 2002, 01:44 AM   #1
purer is offline purer  China
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Red face The Boulder 993 Gain Stage

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Old 30th August 2002, 01:47 AM   #2
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Man, you post the schematic, then it will be interesting. I've seen the picture already.
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Old 30th August 2002, 02:16 AM   #3
skaara is offline skaara  Slovenia
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Hehe Peter got a point..
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Old 30th August 2002, 02:31 AM   #4
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I'm waiting the schematic too ....

I think that's parallel gain stage with cascode .....

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ragil.hastomo
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Old 30th August 2002, 03:09 AM   #5
BrianL is offline BrianL  United States
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At one time Boulder used the famous Jensen (discrete)
op-amp. This might still be it, or some variation thereon,
but it does look like a few too many parts.
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Old 30th August 2002, 06:54 AM   #6
purer is offline purer  China
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Unhappy sorry I also don't have 993 schematic

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Old 30th August 2002, 07:19 AM   #7
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purer, why did you start this thread? Did you have a question or did you want to show something (nice looking pcb though)?
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Old 30th August 2002, 07:25 AM   #8
purer is offline purer  China
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Default sorry

I want to find this 993 schematic.
My English is not good
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Old 30th August 2002, 08:50 AM   #9
skaara is offline skaara  Slovenia
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Is this pcb yours? If it is you can get the schematic from it and post it here..
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Old 30th August 2002, 11:29 AM   #10
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Default SORRY

http://www.boulderamp.com/993%20inside.jpeg
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