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How to Derive the Summing Amplifier Transfer Function
Thursday, July 9th, 2009Summary:
The summing amplifier, or the non-inverting summing amplifier, is an analog processing circuit with the transfer function (the summing amplifier formula as some say) shown in the following equation.
(1)
The first term of the product is the actual summing, while the second term is a gain due to the R3 and R4 resistors. I prefer this [...]
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The Transfer Function of an Amplifier with a Bridge in the Negative Feedback
Friday, July 3rd, 2009Summary:
In allaboutcircuits.com forum an interesting circuit was posted. The question was, how to determine the transfer function, Vout/Vin?
The circuit schematic was drawn as in Figure 1.
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How to Derive the Differential Amplifier Transfer Function
Thursday, May 7th, 2009Summary:
The transfer function of the differential amplifier, also known as difference amplifier, can be found in articles, websites, formula tables, but where is it coming from? Why is the differential amplifier transfer function as in the following mathematical relation? …
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