Introduction to ECSE

ECSE-1010 Fall 2017

Laboratory 16: Matlab and Data Analysis

(Edit this document as needed)

Partner 1: ______

Partner 2: ______

Partner 3: ______(if needed)

Part A

Brief description of the Matlab diode plotting experiment:

Plot of the diode current (ID) vs. the diode voltage (VD) for a standard diode. (Matlab)

Plot of the experimental ID-VD and the calculated ID using for a standard diode. (Matlab)

Value of IS and n in your fitted curve.

IS / [A]
n

Plot of the diode current (ID) vs. the diode voltage (VD) for a LED. (Matlab)

Plot of the experimental ID-VD and the calculated ID using for a LED. Matlab)

Value of IS and n in your fitted curve.

IS / [A]
n

Experimental and analytical plots verification by TA/Instructor. ______


Part B

Brief description of the Load Line experiment:

Mathematical expression for the current through the resistor in terms of the source voltage (VS), the diode voltage (VD) and the resistance.

Plot of load line on the following experimental curve.

Load line plot verification by TA/Instructor. ______

Approximate diode (resistor) current and diode voltage using the load line analysis on the above plot.

ID / [A]
VD / [V]


Plot with load line for standard diode using experimental data from part A.

Approximate diode (resistor) current and diode voltage using the load line analysis on the above plot.

ID / [A]
VD / [V]

Plot with load line for LED using experimental data from part A.

Approximate diode (resistor) current and diode voltage using the load line analysis on the above plot.

ID / [A]
VD / [V]


Part C

Brief description of Bode plots experiment:

What ratios of power and voltage correspond to 3dB points (Note, in mathematical analysis the 3dB is actually -3dB. The negative sign is typically not mentioned but is implicitly understood to be present.)

Pout/Pin
Vout/Vin

Bode plot for the RC circuit with Vout measured across the capacitor, with annotations indicated by the laboratory. (Matlab)

J. Braunstein, K. Connor Revised: 10/26/2017

Rensselaer Polytechnic Institute Troy, New York, USA