Subject:
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Re: Aaargh. L272 IC needed.
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Newsgroups:
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lugnet.org.ca.rtltoronto
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Date:
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Thu, 19 Jul 2001 01:59:11 GMT
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Viewed:
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446 times
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In lugnet.org.ca.rtltoronto, Calum Tsang writes:
> We've run into a little bit of a snag with Operation DCC. Mario has done up
> the TMW5 Booster board, but we're missing an IC for the decoder unit.
>
> It's the SGS Thompson L272, a dual power op amp in a DIP package. We need
> the L272M, the eight pin DIP variant. And we need one for every decoder.
> Anyone have a line on these? We've tried Supreme on Queen, Electrosonic,
> Active Components. I'm even willing to desolder them from dead VCRs and the
> like. Our last ditch is to order from DigiKey or Mouser.
>
> Anyone?
>
> Calum
Hi Calum,
have you found the chip yet? OpAmp in 8 pin dip is a common thing, you'll
probably be able to find a equivalent of that chip that will do the job.
Bring the spec of the chip with you to a store so you can check the spec in
databook and equivalence book.
Martin
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Message has 1 Reply:
 | | Re: Aaargh. L272 IC needed.
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| (...) Actually yes. Among fighting corporate Real Estate this morning, demonstrating my two fisted project management skills, and the usual critical nonurgent at the office, we also managed to hunt down a source of L272M's at a component firm. With (...) (23 years ago, 19-Jul-01, to lugnet.org.ca.rtltoronto)
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Message is in Reply To:
| | Aaargh. L272 IC needed.
|
| We've run into a little bit of a snag with Operation DCC. Mario has done up the TMW5 Booster board, but we're missing an IC for the decoder unit. It's the SGS Thompson L272, a dual power op amp in a DIP package. We need the L272M, the eight pin DIP (...) (23 years ago, 17-Jul-01, to lugnet.org.ca.rtltoronto)
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