A generic first-generation monolithic current-feedback op amp schematic. Simplified from: Sergio Franco / Frequency-and Time-Domain Considerations // The Circuits and Filters Handbook, Second Edition, CRC Press, 2002 <a href="//commons.wikimedia.org/wiki/Special:BookSources/9780849309120" title="Special:BookSources/9780849309120">ISBN 9780849309120</a> p. 457; reproduced many times in other papers (Hayatleh 2007 etc.) and, quite likely, earlier.
<a href="//commons.wikimedia.org/w/index.php?title=User:Retired_electrician&amp;action=edit&amp;redlink=1" class="new" title="User:Retired electrician (page does not exist)">Retired electrician</a> // A generic schematic based on Franco 2002, excluding front end current sources
<span class="int-own-work" lang="en">Own work</span>