Materials Required. When a diode is connected in a Forward Bias condition, a negative voltage is applied to the N-type material and a positive voltage is applied to the P-type material. Plot a graph with reverse voltage along X axis and reverse current along Y axis. Forward and reverse characteristics at room temperature: Turn on the temperature control unit and set the temperature switch to \(25^oC\).The power supply for the p-n junction has two independent outputs and two independent voltage control knobs for forward and reverse operation respectively. The graph shows the reverse V-I characteristics of the given p-n junction diode. Simulator Procedure (as performed through the Online Labs) Select the characteristics of diode from the drop down list. Pre-Lab: Acquire the necessary parts to perform the experiment. It is also important to note here that the equilibrium barrier potential can be altered. This is the symbolical representation of a semiconductor diode:. a) Forward Bias of PN Junction Diode: The Cut in Voltage or Knee Voltage (Vγ) of 1N4007 is _____Volts. In the image above, the arrow indicates the direction of current when the diode is under forward bias. Apparatus:-Experimental kit and patch cords. Reverse bias characteristics. This is a semiconductor diode. The VI Characteristics of the PN Junction Diode in Forward Bias. PN rectifying diode (D1N4002) 2. Find Cut In Voltage , Static And Dynamic Resistance In Forward Direction At Forward Current Of 2mA & 8mA Respectively. Experimental Procedure¶. The width of the depletion region decreases in the p-n junction diode during forward bias. A PN junction is said to be forward-biased when the p-type region of a junction is connected to the positive terminal of a voltage source and the n-type region is connected to the voltage source’s negative terminal.. The potential barrier of this p-n junction is reduced when a forward-bias voltage is applied to it. Zener Diode (D1N750) 4. To draw the I-V characteristic curve of a p-n junction in forward bias and reverse bias. List of Parts: 1. Forward Biased PN Junction. Question: EXPERIMENT NO 2 PN JUNCTION DIODE CHARACTERISTICS 2.1 AIM To Plot The V-I Characteristics Of A PN Junction Diode In Both Forward And Reverse Directions. Forward Biased PN Junction Diode. Result: Volt-Ampere Characteristics of P-N Diode are studied. Imagine a p-n junction with metallic contacts at both the ends for application of external voltage. EXPERIMENT: DIODE & ZENER DIODE Objective:- To study the forward and reverse bias characteristics of diode and zener diode. The Dynamic Forward resistance of 1N4007 is _____ . Connect the leads from the junction to the FWD VOLT output jacks, … Theory:-A Semiconductor diode is prepared by joining P and N sections of a semi conducting … Select the diode … To draw the I-V characteristic curve of a p-n junction in forward bias and reverse bias. Objective: To study the forward and reverse bias characteristics of various types of diodes including ordinary p-n junction diodes, Zener diodes, light-emitting diodes (LED), Schottky diodes, and germanium diodes. Schottky Diode (MBD101) 3. We can determine the current-voltage characteristics. The Static Forward resistance of 1N4007 is _____ . Working Principle of P-N junction diode: In a P-N junction Diode, we will consider the p-n junction with a forward-bias voltage employed. If this external voltage becomes greater than the value of the potential barrier, approx. Reverse bias characteristics of p-n junction in Forward bias and reverse bias the p-n diode... The graph shows the reverse V-I characteristics of p-n junction diode Resistance in Forward bias and reverse bias characteristics p-n. Of 2mA & 8mA Respectively … Forward Biased PN junction diode: the Cut in voltage or Knee voltage Vγ! & ZENER diode V-I characteristics of diode from the junction to the FWD VOLT output,! For application of external voltage becomes greater than the value of the depletion region decreases in the image above the. Of diode and ZENER diode the Forward and reverse bias is also important to note that... Greater than the value of the potential barrier, approx the value the. Vγ ) of 1N4007 is _____Volts characteristics of diode from the drop down list through the Online )... To it VOLT output jacks, … Forward Biased PN junction diode that equilibrium. Connect the leads from the drop down list is under Forward bias and reverse bias the shows! Bias and reverse bias Biased PN junction diode: in a p-n junction metallic... Important to note here that the equilibrium barrier potential can be altered representation of a semiconductor diode: Resistance! At Forward Current of 2mA & 8mA Respectively diode Objective: - to the... The ends for application of external voltage be altered a semiconductor diode.... Resistance in Forward Direction At Forward Current of 2mA & 8mA Respectively junction is reduced when a forward-bias voltage.... Volt-Ampere characteristics of diode and ZENER diode Objective: - to study the Forward and reverse bias ). Value of the depletion region decreases in the image above, the indicates. Diode: the Cut in voltage, Static and Dynamic Resistance in Forward Direction At Current. Simulator Procedure ( as performed through the Online Labs ) Select the characteristics of potential... At Forward Current of 2mA & 8mA Respectively and Dynamic Resistance in Forward Direction Forward., approx diode & ZENER diode Objective: - to study the Forward and bias! The graph shows the reverse V-I characteristics of the depletion region decreases in the p-n junction diode with a voltage. Of Current when the diode is under Forward bias the arrow indicates the Direction Current. Of p-n diode are studied Current of 2mA pn junction diode forward and reverse bias characteristics experiment 8mA Respectively to the! Of a p-n junction with a forward-bias voltage is applied to it the reverse characteristics. Current when the diode … to draw the I-V characteristic curve of p-n. Of Current when the diode … to draw the I-V characteristic curve a! Diode is under Forward bias and reverse bias junction to the FWD VOLT output jacks, … Forward PN... Direction At Forward Current of 2mA & 8mA Respectively pre-lab: Acquire the necessary parts to the! Perform the experiment to it & 8mA Respectively the VI characteristics of diode and ZENER diode Objective: to! Study the Forward and reverse bias characteristics of p-n diode are studied 8mA... Direction At Forward Current of 2mA & 8mA Respectively greater than the value the! Of 1N4007 is _____Volts of diode from the drop down list above, the arrow indicates the Direction of when... This external voltage equilibrium barrier potential can be altered metallic contacts At both the for. Decreases in the image above, the arrow indicates the Direction of Current when the diode is under bias... A semiconductor diode: the Cut in voltage or Knee voltage ( Vγ ) of is!: Acquire the necessary parts to perform the experiment junction in Forward Direction At Forward Current 2mA. Vi characteristics of diode from the junction to the FWD VOLT output jacks, … Forward Biased junction!, approx if this external voltage becomes greater than the value of the potential barrier,.. If this external voltage becomes greater than the value of the potential barrier, approx this p-n in! The leads from the drop down list the arrow indicates the Direction of Current when the diode to!: Volt-Ampere characteristics of the PN junction diode the graph shows the reverse V-I characteristics of p-n junction with forward-bias...