Measure the characteristics of a selected Zener diode (you can select any of the available Zener diodes). Make sure to i

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Measure The Characteristics Of A Selected Zener Diode You Can Select Any Of The Available Zener Diodes Make Sure To I 1 (260.07 KiB) Viewed 12 times

Measure the characteristics of a selected Zener diode (you can select any of the available Zener diodes). Make sure to include the breakdown region, as well as the forward-bias characteristic. Circuit-connection guidelines 1. The circuit is analogous to the simulation circuit shown in Fig. 2.1. 2. A variable power-supply voltage can be used as the voltage source Vin in Fig. 2.1. The black connector will be the ground for this circuit; ignore the middle (green) connector labeled on the power-supply box as ground (refer to Fig. 1.3 for the meaning of these connectors). 3. Set the available multimeter as an ampermeter (in mA mode) and connect it between the resistor and the diode, so that the current flowing through the diode, ip, also flows through the ampermeter: One of the resistor terminals is connected to the positive pole of the power supply (the red connector of the power supply) and the other to the ampermeter (the red connector of the ampermeter). The other terminal of the ampermeter (the black connector) is connected to the anode of the diode. The cathode of the diode is connected to the ground (the negative terminal of the power supply). 4. To measure the voltage across the diode, up, connect one channel of the C.R.O. across the diode (the red connector to the anode and the black connector to the cath- ode/ground). Set the C.R.O. in DC mode to measure the DC value of the voltage across the diode. 5. To measure the reverse-bias characteristic, swap over the terminals of the power sup- ply: the positive pole (the red connector) to ground and the negative pole (the black connector) to the resistor. Increase the voltage to reach the Zener breakdown and to observe current through the circuit.