Lab9 Differential Amp and Darlington

Lab9 Differential Amp and Darlington - Title: Differential...

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Title: Differential Amplifier and Darlington Richard Madison Haynie Partner: Josh Vermaas (All graphs are attached to back) Objective: Construct a differential amplifier and a Darlington pair. Look at the differential amplifier and analyze it’s gains for different inputs. The differential amplifier can be improved by adding other circuits which will also be analyzed. The effect of the Darlington pair will also be observed. Differential Amplifier: The circuit shown in figure-1 was constructed. This circuit was used has a phase inverter to be able to input two out of phase signals into the differential amplifier. From theory V OE =V in , experimentally this is shown in graph-1 and .913 OE in V V = which is a 8.73% discrepancy the voltages are also approximately in phase. From theory 1 OC C in E V R V R = - = - and experimentally shown in graph-2, .917 OC in V V = - which is a 8.23% discrepancy from theory, notice the voltages are out of phase which resulted in the negative value. The discrepancy of the amplitudes
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Lab9 Differential Amp and Darlington - Title: Differential...

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