A new and very interesting angle on this topic, Ted..!
Would certainly make sense..
Jakob E.
Would certainly make sense..
Jakob E.
Could you elaborate? Most IC processes have much lower hfe than what we get with discrete transistors, and most discrete opamps I have seen have lower GBW (which in turn means less feedback for same closed loop gain) than monolithic ones...they are designed with extreme feedback to make up for the poor hfe of the devices.
Can you explain how the nonlinearity mechanism works? Simply the Vbe variation with current or what?the addition of the output stage diode drops adds even more nonlinearity
after all the only thing the resistor does is to alter the conditions of the output devices, it does nothing for the internal architecture.
By altering the DC balance position of the amplifier it's entirely possible to eliminate the 3rd order products caused by instability at crossover
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