What is the mathematical expression for the diode current, ID, given the voltage across the diode VD?
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What is the mathematical expression for the diode current, ID, given the voltage across the diode VD?
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- Determine current through each diode in the circuit .Use Practical Diode model. Assume diodes to be similar.If the diode is ON, what is resistor current and Vo? Assume an ideal diode.Assuming that the diodes are ideal, determine whether each diode is ON (short circuit) or OFF (open circuit) and find the quantities indicated as V and I on the circuits below. Show guesses and verification work.
- Consider the circuit.a. What type of circuit is this?b. What is the total peak secondary voltage?c. Find the peak voltage across each half of the secondary.d. Sketch the voltage waveform across RL.e. What is the peak current through each diode?f. What is the PIV for each diode?Explain the symbols, working principles and usage areas of the diodes given below. (Zener diode: photo diode: led diode: opto coupler)A silicon diode has 1 ampere DC of current in biasd mode. What is voltage drop across the diode?
- How tunneling takes place in Tunnel diode. Show and explain the V-I Characteristics of Tunnel diode with necessary diagrams.Sketch the output waveform and indicate the expected voltage levels for each of these diode circuits Use the diode models as indicated.How to perform "load regulation" with "path regulation" in a diode circuit.
- Determine the current I in the circuit (i). Assume the diodes to be of silicon and forward resistance of diodes to be zero.There are three diode models namely (i) the exponential, (ii) ideal and (iii) the constant voltage source. a) Please define each model and provide the factors that influence the choice of a diode model when analyzing a circuit ? b) Please provide sketches of the I-V characteristic of each model.Negative Peak Clipper with bias circuit uses a germanium diode, with an input peak to peak voltage VPP=20 V and bias voltage VBias= 2.7 v. a) What is the function of the circuit? b) Draw the circuit diagram. c) Draw the input and output waveforms.
