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Panelhead  
#1 Posted : Thursday, October 23, 2008 9:57:10 PM(UTC)
Panelhead

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Just stuffed a couple extra TXD modules, but without a drawing or BOM. Used 1K for R1and RF, 2K for R2 and RG. R3 IS 100K. Used 0.47 ufd for the film and 33 ufd for the electrolytics.
What is the value for R0? I found a schematic, but there is not R0 shown.
Russ White  
#2 Posted : Friday, October 24, 2008 5:58:47 AM(UTC)
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Hi!

Which version of the PCB is it?
Panelhead  
#3 Posted : Sunday, October 26, 2008 6:27:35 AM(UTC)
Panelhead

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Well now that you mention it, I have two with R0 and two that do not have a space for R0. Looks like R0 COULD be replaced with a jumper. The boards without look to be older, ligter green, and not much labeling. The ones with are bright green and have the number 336073 on top, and E235512 on the bottom.
For use as a SE to balanced line driver, is jumping R0 the best option?


George
Russ White  
#4 Posted : Sunday, October 26, 2008 6:40:13 AM(UTC)
Russ White

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If its an R direct to the output then yes, just jumper it. I think its just an output R to help with capacitive loads. :)
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