Lab6_Report - Report 6: Biasing Circuitry Name: Lab...

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Name: Lab Section: 1 Lab Questions 3.1.3 Adjust the potentiometer until the output voltage reaches 650 mV. What is the value of R C at this point? R C = 3.1.4 Perform load-line analysis by plotting the I C vs. V OUT curves for both the transistor and R C . On the plot, indicate the Fxed point solution for V OUT . How should we adjust the potentiometer to increase V OUT (i.e. do we increase or decrease the value of R C )? 3.1.5 Will the voltage source become better or worse as the resistance of R C decreases (with better deFned as being closer to an ideal source)? Explain. Hint: Consider the characteristics of an ideal voltage source. 3.1.6 ±ind the output impedance of the voltage source. R out = 3.1.7 Suppose you want your voltage source to output 1 . 3 V. Clearly, having 1 . 3 V as the V BE of a diode- connected BJT is not a good idea (please, don’t even try setting V BE to 1 . 3 V). Draw a circuit topology that can achieve this output voltage without requiring an extremely high V BE . 1
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Lab6_Report - Report 6: Biasing Circuitry Name: Lab...

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