a four JFET op-amp IC each with similar circuitry to Fairchild’s very popular single op-amp 741. But even though the 741 has been covered in detailed, when [Ken Shirriff] focused his microscope ...
More modern designs have managed to reduce this: for instance, the OPA171 is compatible with the ‘741 ... s silicon carbide op amp. Image credit: KTH A few research projects have shown ...