Talk:Open-loop gain

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Questionable statement[edit]

I'm not sure about the statement "As you can see from the definition above, in an ideal amplifier where Vin+ = Vin-, the open loop gain (Aol) becomes infinite". An open-loop amplifier doesn't have Vin- = Vin+ because there's no feedback. The amplifier continues to change its output voltage to 'try to make Vin+ = Vin-', meaning it's the Vout term that becomes infinite for an ideal open-loop amplifier, not (vin+ - Vin-) becoming zero. Any ideas on how to reword this so the statement has the correct cause and effect, or should the statement just be removed? — Preceding unsigned comment added by Tim.edwards001 (talk • contribs) 2 jul 2013 13:14‎ (UTC)

control system[edit]

can't this apply to any negative feedback system, not just op-amps, but mechanical control systems, etc? — Preceding unsigned comment added by 71.167.63.145 (talk) 05:04, 1 March 2016 (UTC)[reply]