[sdiy] Speaking of OTAs/Matched Pairs????

Grant Richter grichter at asapnet.net
Tue Mar 13 17:22:14 CET 2001


> From talking to my sources at RCA (who invented the thing ;))  they say that
> typically these days they will be really close to being matched as is since
> they come off the same line and the manufacturing is much more accurate than
> it was when they were introduced.

I needed a bunch of 100 ohm resistors for a keyboard string. I did not have
any 1% resistors. So I hand tested a bunch 5% resistors. All were within
0.5% of each other, but not within 1% of 100 ohms. 98.9 ohms was the center
value.





More information about the Synth-diy mailing list