Current Voltage Relationship In Diode
Diode current equation expresses the relationship between the current flowing through the diode as a function of the voltage applied across it.
Current voltage relationship in diode. In electronics the relationship between the direct current through an electronic device and the dc voltage across its terminals is called a current voltage characteristic of the device. A diode has a fixed voltage drop c and if the voltage is less than that no or very little current flows. When you apply a voltage across the two terminals of a diode with the higher voltage on the anode side and the lower voltage on the cathode side forward current i e current from anode to cathode will flow. If the relationship between the current through the conductor and the potential difference across its end is explored the relationship will vary according to the circuit element.
If plotted on log scale the line should be straight. As was discussed in the background section on leds the i v relationship of different color i e. The diode voltage current relationship should be logarithmic. Wavelength leds might be used to measure planck s constant.
Ohm s law is also discussed. The diode current voltage relationship. Mathematically it is given as where i is the current flowing through the diode i0 is the dark saturation current q is the charge on the electron v.