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ECE%20207%20-%2016%20Nov%2010%20-%2020101116_151952 - ECE...

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Extra Office Hours Wednesday 9am-11am and 1:30pm to 4pm Schedule: Op amp analysis approach determining negative feedback: output connected back to the inverting input (ie the negative input of the op amp) derive v0 = R2/R2 ( v1 - v2) of differential amp Work problem 14.20 Open loop versus closes loop Op amp limitations saturation, output current limit, slew rate limit and full power Bandwidth amplifier characteristics (11.6) input and output impedance (11.5) --Op amp analysis approach, pg 708 summary item #4 Check for negative feedback: is the wire going from the output to the inverting (negative) input If negative feedback: **Apply SPC: summing point condition: -current into op amp is zero -voltage across input wires is zero (from inverting to non inverting input wire) **Use KVL and KCL - go to ground instead of creating big KVL loops **Work from input side of circuit to output side Page 1 of 6 - Today 3:43 PM ECE 207 - 16 Nov 10 Made with Notes Plus iPad app - http://notesplusapp.com
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Negative or positive feedback?
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