northwest TI to end production of some opamps.
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Over the overwhelming majority of typical Gf ground the QED GB works just fine! Another new user has used his QED over "fairly difficult ground around Waanyarra and Kooyoora areas  " and not reported any GB problems!
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australian electronic gold prospecting forum.com  |  Electronics and related subjects  |  Electronics  |  Topic: TI to end production of some opamps. 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: TI to end production of some opamps.  (Read 418 times)
greylourie
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« on: Tuesday December 8 2015 18:05:10 AEDT PM »

Viewing a comment by geotech member OldCart regarding the LME49990 opamp, led me to search for more info.

  !/

And a list sent out to one of TI's customers details whats going, and when.
  
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Tinkerer
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« Reply #1 on: Tuesday December 8 2015 23:46:50 AEDT PM »

That is a long list of parts. With this notification the major manufacturers will design with more modern parts, but old stock will stay around for many years. The tendency for old stock is to be cheaper.

The fundamental truth is that we need to keep up with the technological innovation, adapt or go extinct.

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greylourie
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« Reply #2 on: Wednesday December 9 2015 06:01:34 AEDT AM »

Prices of the higher-end opamps being phased out might actually increase because of speculative activity. Mainstream dealers usually drop prices on obsolete stock simply to clear inventory. But the more popular high-end opamps are not likely to stay in stock long enough, as people feverishly stock-up. Then we will also have to contend with China "vendors" re stamping common or garden opamps. Counterfeits are already a problem with some popular i.c's.

What if adapting means either using a less suitable part, or even having to learn how to roll my own solution. Shock and horror. I might have to learn stuff, instead of just plugging in what everyone else is using.

Maybe time to revisit some of Aziz's threads on parts tested for discrete front-ends.
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