Re: AD603 IF Amp.
Just an additional bit of info..... DO NOT run this IC with the ground pin missing. Stupidly my new pcb layout omitted the ground pin in the second IC, I didnt realise till the second one was removed. I checked the artwork and found, when tidying up the zero level tracks, I omitted pin 6 to ground. Fortunately I have replacements. Back up and running, but costly.
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Should get out more.
Regards
Wendy G8BZY
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