Audioguru
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I think a darlington pair (TIP120) is slower (its delay causes phase shift above 1MHz) than a Sziklai pair. The phase shift causes the opamp to oscillate when negative feedback is added without frequency compensation.
Hee, hee. I typed "phase shift" but the "f' wasn't printed. Does it smell like roses?
Hee, hee. I typed "phase shift" but the "f' wasn't printed. Does it smell like roses?