The internals of operational amplifiers are typically not explained well. Real talk about the differential pair.
Minor nitpick: The arrow in the current source symbol represents the direction of current flow. The second long-tailed pair diagram has it the wrong way around.
Gah, thanks!:-)
Minor nitpick: The arrow in the current source symbol represents the direction of current flow. The second long-tailed pair diagram has it the wrong way around.
Gah, thanks!:-)