a. The first Op-Amps were invented during the time of the Second World War
b. Dr. C. A. Lovell of Bell Telephone Laboratories introduced the Op-Amp
c. George A. Philbrick independently introduced a single vacuum tube operational amplifier in 1948
d. The ever-popular 741 monolithic Op-Amp was designed by Dave Fullagar in 1967
The First "Real" OpAmp -> The K2-W
The K2-W Tube OpAmp
a. Invented by Julie Loebe and George Philbrick (early 1950's)
b. The first "mass production" OpAmp
c. Cost (in 1950's) approximately $22.00
d. Basic specifications comparison to 741 and LT1037
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