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1 10mA 1. In the following circuits, all diodes are identical and have the same saturation...
4. In the diode circuit below diodes Day and Da2 are identical have a voltage of...
4. In the diode circuit below diodes Day and Da2 are identical have a voltage of 0.7V at ImA current. The diodes Dbị and Db2 are identical and have 10 times the junction area of Dal. Also all diodes have n=2 and VI = 25mV. The circuit employs a supply current ISUPPLY=20mA. (a) Draw the i-v curve for diodes Da and D. Label axes and all relevant points. [8] (b) Find the value of Vout at nominal supply and no...
ONLY QUESTION 7 Problem 7. Find voltage V and current I. Diodes have nonideality factor n1.5,...
ONLY QUESTION 7
Problem 7. Find voltage V and current I. Diodes have nonideality factor n1.5, reverse saturation current Is-10-14 A and reverse breakdown voltage bigger than Vo IOUl 0,9 V Problem 8. Consider two circuits below with Vs being sinewave of the 10V amplitude. Use constant voltage source diode model with turn-on voltage of 0.5 V. Sketch the waveforms of V
1- need to tell the methods and explain then calculate 2- for one and three-phase 1- can be a work about diodes best regards Electrotechnics Methods of solving linear DC circuits. Superposition me...
1- need to tell the methods and explain then
calculate
2- for one and three-phase
1- can be a work about diodes
best regards
Electrotechnics Methods of solving linear DC circuits. Superposition method and Thevenini method. 1. Calculate the currents in the following circuit using the superposition and Thevenini method. Data: R1-200 Ω; R2-200 Ω,R3-100 Ω E1-200 V; E2-100 V; E3-200 V ind all the currents I1, 12 and 13. R1 R3 ЕЗ E1 R2 E2 Apparatus and methods for...
The diode in the circuit below has a saturation current Is-10-13 A and n=1. Its ID-VD...
The diode in the circuit below has a saturation current Is-10-13 A and n=1. Its ID-VD curve is illustrated below for your convenience. Problem 2 a) Using the graphical method, determine the value of R that would result in a diode current Ip -4mA. What is the resulting voltage Vp? b) With R as calculated above, a sinusoidal signal v, 100 sin(cot) mV is superimposed on the DC source. Draw the small signal model and find the output voltage across...
Ctri Question 3 (20 Marks) Lab 1-Zener Circuits and Applications Theory: Zener diode is designed ...
Ctri Question 3 (20 Marks) Lab 1-Zener Circuits and Applications Theory: Zener diode is designed to operate in reverse conduction. Zener breakdown occurs at a precisely defined voltage, allowing the diode to be used as a voltage reference or clipper. While Zener diodes are usually operated in reverse conduction, they may also be operated in cutoff and forward conduction. There are two different effects that are used in "Zener diodes". The only practical difference is that the two types have...
please help Question 1 Consider the following circuit, where the reverse saturation current (Is) is the...
please help
Question 1 Consider the following circuit, where the reverse saturation current (Is) is the same for each diode. D2 o Vo Di Vi WWW R 32 23 a. b. Determine an algebraic expression for V1, for a given Vo, and Is. Given an Is of 40 FA and R1 = 3.3 kl , determine the Vi that produces an output voltage (V.) of 0.625 V. C. Recalculate question-b if Is were to be a thousand times greater at...
1. Consider the following current mirror combination, where all transistors have the same kn'(W/L...
1. Consider the following current mirror combination, where all transistors have the same kn'(W/L) = kp'(W/L) = 2mA/V2, and VTN-1У, VTP--1V. It is also given that VDD1-10V, VDD2-8V. Remember that for saturation the drain current is given by IDー½ k,"(W/L) (VGS-Yn)" for NMOS and ID ½ kp"(WL) (VGS-V,»)2 for PMOS. You can ignore the channel modulation for all transistors. (a) Find the value of R so that I.-1mA. (b) Are transistors Q1, Q2, Q3 in saturation? (c) What is the...
1. (a) Calculate the value of ni for gallium arsenide (GaAs) at T = 300 K....
1. (a) Calculate the value of ni for gallium arsenide (GaAs) at T = 300 K. The constant B = 3.56 × 1014cm−3K 3/2 and the bandgap voltage Eg = 1.42 eV. [5 marks] (b) In a phosphorus-doped silicon layer with impurity concentration of 1017/cm3 , find the hole and electron concentrations at 27oC and 125oC [5 marks] 2. A young designer, aiming to develop intuition concerning conducting paths within an integrated circuit, examines the end-to-end resistance of a connecting...
Please solve part d in MATLAB Problem Statement Consider the Shockley diode equation, which approximates the...
Please solve part d in MATLAB
Problem Statement Consider the Shockley diode equation, which approximates the current-voltage (characteristic) curve of a diode: Here, is the current flowing through the diode (in amperes), and Vo is the voltage drop across the diode (in volts). VT is the thermal voltage, which varies based on the temperature. Assume that VT0.026 V, which is true when the diode is a little above room temperature. Therefore, in this equation, there are two unknown parameters that...
December 2013 Elec-B5, Advanced Electronics QUESTION (1) In the following circuits, assume all transistors have the following parameters: K 0.5 mA/V2, VT,-1 V and λ-0.02. Given: 1M bias I mA M M2...
December 2013 Elec-B5, Advanced Electronics QUESTION (1) In the following circuits, assume all transistors have the following parameters: K 0.5 mA/V2, VT,-1 V and λ-0.02. Given: 1M bias I mA M M2 꼬 + 2 고 (~ 2 a) Estimate the differential gain vourlVIN in (V/V) b) Find the common mode input resistance Ricm c) Find the common mode input range. d) Estimate the common mode rejection ratio, CMRR. Express your result in dB. Useful formulae: for n-channel MOSFET (6...
4. In the diode circuit below diodes Day and Da2 are identical have a voltage of 0.7V at ImA current. The diodes Dbị and Db2 are identical and have 10 times the junction area of Dal. Also all diodes have n=2 and VI = 25mV. The circuit employs a supply current ISUPPLY=20mA. (a) Draw the i-v curve for diodes Da and D. Label axes and all relevant points. [8] (b) Find the value of Vout at nominal supply and no...
ONLY QUESTION 7
Problem 7. Find voltage V and current I. Diodes have nonideality factor n1.5, reverse saturation current Is-10-14 A and reverse breakdown voltage bigger than Vo IOUl 0,9 V Problem 8. Consider two circuits below with Vs being sinewave of the 10V amplitude. Use constant voltage source diode model with turn-on voltage of 0.5 V. Sketch the waveforms of V
1- need to tell the methods and explain then
calculate
2- for one and three-phase
1- can be a work about diodes
best regards
Electrotechnics Methods of solving linear DC circuits. Superposition method and Thevenini method. 1. Calculate the currents in the following circuit using the superposition and Thevenini method. Data: R1-200 Ω; R2-200 Ω,R3-100 Ω E1-200 V; E2-100 V; E3-200 V ind all the currents I1, 12 and 13. R1 R3 ЕЗ E1 R2 E2 Apparatus and methods for...
The diode in the circuit below has a saturation current Is-10-13 A and n=1. Its ID-VD curve is illustrated below for your convenience. Problem 2 a) Using the graphical method, determine the value of R that would result in a diode current Ip -4mA. What is the resulting voltage Vp? b) With R as calculated above, a sinusoidal signal v, 100 sin(cot) mV is superimposed on the DC source. Draw the small signal model and find the output voltage across...
Ctri Question 3 (20 Marks) Lab 1-Zener Circuits and Applications Theory: Zener diode is designed to operate in reverse conduction. Zener breakdown occurs at a precisely defined voltage, allowing the diode to be used as a voltage reference or clipper. While Zener diodes are usually operated in reverse conduction, they may also be operated in cutoff and forward conduction. There are two different effects that are used in "Zener diodes". The only practical difference is that the two types have...
please help
Question 1 Consider the following circuit, where the reverse saturation current (Is) is the same for each diode. D2 o Vo Di Vi WWW R 32 23 a. b. Determine an algebraic expression for V1, for a given Vo, and Is. Given an Is of 40 FA and R1 = 3.3 kl , determine the Vi that produces an output voltage (V.) of 0.625 V. C. Recalculate question-b if Is were to be a thousand times greater at...
1. Consider the following current mirror combination, where all transistors have the same kn'(W/L) = kp'(W/L) = 2mA/V2, and VTN-1У, VTP--1V. It is also given that VDD1-10V, VDD2-8V. Remember that for saturation the drain current is given by IDー½ k,"(W/L) (VGS-Yn)" for NMOS and ID ½ kp"(WL) (VGS-V,»)2 for PMOS. You can ignore the channel modulation for all transistors. (a) Find the value of R so that I.-1mA. (b) Are transistors Q1, Q2, Q3 in saturation? (c) What is the...
Please solve part d in MATLAB
Problem Statement Consider the Shockley diode equation, which approximates the current-voltage (characteristic) curve of a diode: Here, is the current flowing through the diode (in amperes), and Vo is the voltage drop across the diode (in volts). VT is the thermal voltage, which varies based on the temperature. Assume that VT0.026 V, which is true when the diode is a little above room temperature. Therefore, in this equation, there are two unknown parameters that...
December 2013 Elec-B5, Advanced Electronics QUESTION (1) In the following circuits, assume all transistors have the following parameters: K 0.5 mA/V2, VT,-1 V and λ-0.02. Given: 1M bias I mA M M2 꼬 + 2 고 (~ 2 a) Estimate the differential gain vourlVIN in (V/V) b) Find the common mode input resistance Ricm c) Find the common mode input range. d) Estimate the common mode rejection ratio, CMRR. Express your result in dB. Useful formulae: for n-channel MOSFET (6...
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