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N@Z

Need help to build

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Ok 2 cans of redbull down. Im ready to dive in and find all the bits I need online.

Got my aqua blasting headphone.gif

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I've got my MSword open. Building my list now. going to www.farnell.com the link fishball gave me. Looks like they have everything i will need.

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Order Code (SKU) Description Manufacturer Code Unit Price Quantity Basket

791039 IC-DUAL HIGH SPEED OP-AMP OPA2134PA $5.21

117298 IC-OP AMP DUAL FET INPUT OPA2137PA $3.55

117304 IC-SM OP AMP DUAL FET I/P OPA2137UA $3.55

401298 IC-OP AMP DUAL DIFET LOW NOISE OPA2111KP $36.72

401286 IC-OP AMP DUAL PRECISION OPA2107AP $46.64

 

Ok dual channel opamps laugh.gif Which one? unsure.gif

 

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any reason why? unsure.gif

 

looks good anyhow smile.gif thanks Nothern Oak

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Should I buy 2 incase I have an accident with 1?? hammer.giflol.gif

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mad.gif This is f**ked. I dont know what the hell all these bits are or where to find them on this damn useless website mad.gif

 

Im gonna get help.

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My META mint uses the OPA 2132UA OP AMP, what would be the difference? unsure.gif

Wortel:

 

OPA2134 -> meant for audio use. It would help if you read the first page of the datasheet of the opamp. This way, you wouldn't end up cursing yourself laugh.gif

 

mat:

OPA2132 is fine as it's almost the same as OPA2134. I've heard that it's harder to make 2132 oscillate than the 2134. BTW, 2132 is no longer in production.

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Should I buy 2 incase I have an accident with 1?? hammer.giflol.gif

If you're not good at soldering, you may need a spare cause prolong heat on the IC pins will burn the entire circuit. Preferred way is to get those 8 pins socket so that the opamp can sit in it only after you solder the socket.

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Should I use a socket? Im still not sure. Is there any advantage to not using them?

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Ok fishball convinced me to use a socket haha.gif

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ohmy.gifohmy.gif kklah will go to visit d*ck Smith and Tandy tomorrow.

 

Tandy is what Radioshack is called here. Don't ask why. wacko.gifwacko.gif

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ohmy.gifohmy.gif kklah will go to visit d*ck Smith and Tandy tomorrow.

 

Tandy is what Radioshack is called here. Don't ask why. wacko.gifwacko.gif

I used to remember in my youngers days, there's the Tandy Radioshack computer.

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