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The History of the API 2520 Op Amp

The History of the API 2520 Op Amp

Dates Label  Picture
1970-1972
Black & Silver Foil original_2520
1972-1975
Black & Silver Foil w/ Melville, NY 2520_melville
1976-1980 Black & Silver Foil w/ Huntington, NY 2520_huntington
1980-1985
Black & Silver Paper w/ Reston, VA
1986-1999
Blue & Silver Foil w/ Springfield, VA 2520_springfield
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