Experiment 2-MISCELLANEOUS OP-AMP CIRCUITS.pdf

Experiment 2-MISCELLANEOUS OP-AMP CIRCUITS.pdf - Middle...

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Middle East Technical University - NCC EEE202 - Circuits Theory II Laboratory 1 EXPERIMENT 1 MISCELLANEOUS OP-AMP CIRCUITS Objective Some op-amp circuits, namely an independent current source, a negative resistance converter, a grounded inductor (gyrator), and a sinusoidal oscillator are studied. Preliminary Work 1. Obtain information and summarize your work on independent current source, negative resistance converter, gyrator and sinusoidal oscillator circuits given in Figures 1, 2, 3 and 4. 2. Consider the following independent current source circuit: a. Using LT Spice obtain driving point (V-I) characteristics of the one-port (one-terminal) circuit given in Figure 1. (Hint, you need to use DC Sweep to sweep voltage source connected to terminal and measure terminal current for varying terminal voltage.) b. Using LT Spice connect a resistor R L across the one-port, and find the maximum value of the resistance for which the one-port still functions as an independent current source.
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