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i've got OPA637 and BUF634... what should I make?

post #1 of 5
7/20/11 at 10:41pm
Thread Starter 

So somehow I've gotten my hands on 6x OPA637AU and 8x BUF634P. I'm not sure what I should do with these. Make some crazy cmoy? play around with a multiloop buffer thingy? I'm open to ideas. (or maybe I should just trade it all away and get away from this terrible time consuming hobby!)

 

I need to get some DIP8 adapters for the OPA637. If anyone has some, please give me a shout.

 

I know the OPA637 is only stable for >5 gain. Are there ways to bring that lower?

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post #2 of 5
7/21/11 at 5:36am

You could make a PIMETA.

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post #3 of 5
7/21/11 at 6:10pm
Thread Starter 

That was one of my first thoughts too. Just wondering what else is out there. 

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post #4 of 5
8/6/11 at 11:40pm

Look at the m³... www.amb.org/mmm but you would need an opa627 for the center channel

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post #5 of 5
8/8/11 at 8:41am

Would there be much of a difference between using 3 627/637 with the Pimeta vs a 2132 and 627 for the ground? I actually kind of prefer the OPA2132 since I have them in SOIC packages and only have the OPA627, OPA637 and BUF634 in DIP packages. It's more of a PITA to use DIPs with DIY boards since you have to drill more holes. :P

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