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| Subject: | Re: LF: 40 years (completely OT, but...) |
| From: | "Alan Melia" <[email protected]> |
| Date: | Wed, 16 Feb 2011 12:40:06 -0000 |
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Ah but if you could make 'em work you learned a lot about op-amp layout.....and to put a 47ohm in the output line :-)) My first ST-5 RTTY TU! Alan G3NYK ----- Original Message ----- From: "Steve Dove" <[email protected]> To: <[email protected]> Sent: Wednesday, February 16, 2011 4:03 AM Subject: Re: LF: 40 years (completely OT, but...) > My first uA709 (first real commercial op-amp, circa 1968) cost me five > quid. Which was a LOT of newspapers. > > Unstable, noisy. And, with its unprotected output stage didn't last > very long . . . > > 73 Steve > > On 2/15/2011 7:19 PM, Andy Talbot wrote: > > 40 Years ago today decimal money was introduced to the UK It was half > |
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