Concept explainers
Find the capacitance of the diode if
Answer to Problem 9E
The capacitance of the diode if
Explanation of Solution
Given Data:
The given expression for the junction capacitance is
The given expression of depletion width of diode is
The cutoff voltage of the diode is
Magnitude of charge of electron is
Value of
The cross sectional area is given as
Volume density of electrons is given as
Formula used:
The expression for junction capacitance is as follows,
Here,
The expression for depletion width of the diode is as follows,
Here,
Calculation:
Substitute
Substitute
Substitute
Substitute
Substitute
Substitute
Conclusion:
Thus, the capacitance of the diode if
Want to see more full solutions like this?
Chapter 7 Solutions
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
- Diodes and rectifiers allow current to _________. flow in one direction only flow in both directions divide paths of flow none of the abovearrow_forwardCalculate the diode current, lo, for the circuit shown. The source has Va 1.5 V and R = 0.8 92 and each of the diodes has Is = 10" A. // 21-15001 = 1.5 Vth R+h0.8 22 ↓ID vearrow_forwardA diode will conduct as long as the anode is made more positive than the cathode. True O Falsearrow_forward
- Q/ Assume each diode in the circult that shown below is silicon diode. Determine the value of R, required such the current passing through D, is one half the value of the current passing through D2. Dz 5.6V 1 ΚΩ D3. V out 5 MO 3 KO O5.5 KO O3.5 MQ 5 KO O 3.5 KO 2.5 KO 3 MQ 5.5 MQ 2.5 MO Back Next Page 2 of 3 Clear form er Eubmn: passwarrow_forwardThe circuit below with an ideal diode is used to charge a 12 V battery. vin is a sinusoid with 24 V peak amplitude: vin = 24 sin(⍵t) a) For how long does the diode conduct within each cycle: 1/2 of the cycle time, 1/3 of the cycle time, ¼ of the cycle time, or 1/5 of the cycle time? b) Find the peak value of the diode current and the maximum reverse-bias voltage that appears across the diode.arrow_forwardCalculate the junction capacitance of a silicon pn junction at T = 300 K with doping concentrations of Na = 101¹6cm-3and Na = 10¹5 cm-3. Assume that the intrinsic concentration n₁ = 1.5 x 10¹0 cm-3 and the reverse bias V₁ = 5V Note/1.035 x 10-¹2F/cm e 1.6x 10-19 Carrow_forward
- A- If V, is a sinusoidal voltage with Vm = 40 V, and V= 15 V. Plot the waveform of the output voltage in each of the following clippers circuits assuming ideal diodes. B- Repeat part (A) if the diodes are silicon diodes. R R R (a) (b) (c) (d)arrow_forwardIn the circuit shown below, the ideality factorn of the diode is unity and the voltage drop across it is 0.7 V. The dynamic resistance of the diode at room temperature is approximately 1.7 V 31 k2arrow_forwardQuestion Completion Status: A Moving to another question will save this response. Quèstion 1 Using complete diode model and assuming that the forward resistance of thediode is 152 and a Germanium diode, the voltage across the resistance R equals to R. 5kQ 12V 11.65 V 11.7 V 12 V None of the above.arrow_forward
- Asiacell The output voltage and the current (I) of the electronic circuit are * and .(Si diodes) R I. ww 500 2 5 V 0.7 V, 10 mA O 3.6 V, 5 mA O 1.4 V, 10 mA O 5 V, 0 mA O 5 V , 3.6 mA O The Zener diode can behave as a in the breakdown region opened switcharrow_forwardFor Silicon diodes, the characteristic curve is temperature-independent. Select one: O True O Falsearrow_forwardPower supply circuit is delivering 0.5 A and an average voltage 20 V to the load as shown in the circuit below. The ripple voltage of the half wave rectifier is 0.5 V and the diode is represented using constant voltage model. The smoothing capacitor value is equal to c 20:5A L VI-DC20V 220V omsh T 0.01 F 0.02 F 0.0167 F None of the above euerarrow_forward
- Electricity for Refrigeration, Heating, and Air C...Mechanical EngineeringISBN:9781337399128Author:Russell E. SmithPublisher:Cengage Learning