(a) Using MultiSIM construct the circuit below designed to measure the characteristic parameters of a JFET,...
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(a) Using MultiSIM construct the circuit below designed to measure the characteristic parameters of a JFET, specifically you will determine the drain- source current with gate shorted to source IDS S, the pinch-off voltage Vp, and the general drain current ID versus gate-source voltage VGS behavior. Attach a copy of your d (b)Record the drain current ID for the following gate-source voltage values: (0, -0.5, -1, -1.5, -2, -2.5, and -2.75) volts. If the drain current "pinches off" lower (or higher) than -2.75 V then use that value instead. In other words, try to precisely find the voltage at which the drain current tends to zero, this voltage is the pinch-off voltage Vp. Plot ID versus VGS using a graphing program, e.g., Origin, Excel, or Mathematica. Plot both a linear graph and log of drain current versus linear voltage. (c)Fit the data to the empirical model and extract the coefficients (i.e., fit parameters) IDSS and Vp. Recall ID = (IDSS /Vp^2 )(VGS -Vp)^2 Include the fit results, i.e., plot the above function with the resulting fit parameter values for IDS S and Vp into both of your graphs from part (b). Label IDS S and Vp on your graph and indicate their values. PS:REPLY TO a,b,c the best you can 10k 20k -15 v +15v 2N 5485 G DVM VOM (10mA range) 0.01 μF 2N 5485 JFET characterization circuit. G (a) Using MultiSIM construct the circuit below designed to measure the characteristic parameters of a JFET, specifically you will determine the drain- source current with gate shorted to source IDS S, the pinch-off voltage Vp, and the general drain current ID versus gate-source voltage VGS behavior. Attach a copy of your d (b)Record the drain current ID for the following gate-source voltage values: (0, -0.5, -1, -1.5, -2, -2.5, and -2.75) volts. If the drain current "pinches off" lower (or higher) than -2.75 V then use that value instead. In other words, try to precisely find the voltage at which the drain current tends to zero, this voltage is the pinch-off voltage Vp. Plot ID versus VGS using a graphing program, e.g., Origin, Excel, or Mathematica. Plot both a linear graph and log of drain current versus linear voltage. (c)Fit the data to the empirical model and extract the coefficients (i.e., fit parameters) IDSS and Vp. Recall ID = (IDSS /Vp^2 )(VGS -Vp)^2 Include the fit results, i.e., plot the above function with the resulting fit parameter values for IDS S and Vp into both of your graphs from part (b). Label IDS S and Vp on your graph and indicate their values. PS:REPLY TO a,b,c the best you can 10k 20k -15 v +15v 2N 5485 G DVM VOM (10mA range) 0.01 μF 2N 5485 JFET characterization circuit. G
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a Using MultiSIM a circuit can be constructed to measure the characteristic parameters of a JFET jun... View the full answer
Related Book For
Fundamentals of Electric Circuits
ISBN: 9780073301150
3rd edition
Authors: Matthew Sadiku, Charles Alexander
Posted Date:
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