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741 op-amp revisited |
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Ash
Senior Member Joined: 18 Mar 2013 Location: Dorset Status: Offline Points: 4334 |
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Great, some 741 op-amp electronics. At last, a topic I can relate to. Thanks for posting; an interesting read.
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Dave Friday
Senior Member Joined: 07 Apr 2011 Location: Spain Status: Offline Points: 173 |
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I built a "Texan" in 1971 that used 741 and 748 chips in the preamp, the output stage [tip41/42] didnt use any emmiter resistors!!] it sounded ok but picked up taxis!
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Graham Slee
Admin Group Retired Joined: 11 Jan 2008 Location: South Yorkshire Status: Offline Points: 16298 |
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I'm not at all surprised. |
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That none should be able to buy or sell without a smartphone and the knowledge in how to use apps
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Paperweight
Regular Joined: 21 Mar 2011 Location: Lexington NC US Status: Offline Points: 84 |
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Which particular parts/passives do op amps wear out? I'm guessing it's internal parts.
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Graham Slee
Admin Group Retired Joined: 11 Jan 2008 Location: South Yorkshire Status: Offline Points: 16298 |
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Perhaps due to "fatigue" after several decades, but if not run beyond their capabilities, and not exposed to the ravages of the elements, there is no wear out. Edited by Graham Slee - 17 Feb 2017 at 7:22am |
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That none should be able to buy or sell without a smartphone and the knowledge in how to use apps
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