Homework Answers
when R=8k then diode in
reverse bias because when input resiatance is high then there is
max votlage drop so diode is reverse bias and it is open circuit
then then is there is no flow of current .
Current through diode is 0A
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Figure 1 2. Assuming Vy 0.7V, find the current flowing through the diode for the circuit...
Problem 1. In the circuit below, assume the 0.7V drop model for the diode, and use...
Problem 1. In the circuit below, assume the 0.7V drop model for the diode, and use nV 25 mV The value of the capacitor is chosen suchthat the 385 Ω resistor R is short-circuited at the small signal operating frequency w. a) Determine the value of the diode current Ip under DC conditions. b) Determine the small resistance rp, and draw the resulting small signal circuit c) Determine the small signal current flowing through the circuit. R | 15 Ω...
The current flowing to the diode in the following circuit is 5 mA and the current flowing to the ...
The current flowing to the diode in the following
circuit is 5 mA and the current flowing to the load is 20 mA. I(0)
is always 25 mA and if the current flowing into the Load changes to
21 mA, what is the voltage (ΔV(out)) applied to both ends of the
Load?
-Use 'Small sinal model'
-R(1)>>3r(d)
Diode Bridge in Load Vout
Diode Bridge in Load Vout
Calculate the current flowing in the circuit below. The temperature is 300K. The battery voltage is...
Calculate the current flowing in the circuit below. The temperature is 300K. The battery voltage is 5 V. The resistance R-1000 Ohms. The equation for current through the diode isi 10 9 [op{VANT) - 11 Amperes. Vd is the voltage drop across the diode and Vt is thermal voltage 1) Calculate the current flowing in the circuit below. The temperature is 300K. The battery voltage 15V. The resistance R-2000 Ohms. The equation for current through the diode is 19 (exp/Vd/T)...
For the double diode circuit shown in figure 2-1, answer the following questions. In Figure 2-1...
For the double diode circuit shown in figure 2-1, answer the following questions. In Figure 2-1 a) (10pts) For the triangular wave input shown (Vin), sketch the output voltage (Vout) using the constant voltage drop model (CVD: Vo-0.7V). Be sure to note the voltage values on the y-axis of your Vout plot and show any equations you used to determine those values ime FEE 334: Spring 2019 Midterm b) (2pts) During the middle of the first time segment (when Vin...
Find the current flowing through the circuit of the figure, assuming you have a 12.60V source,...
Find the current flowing through the circuit of the figure,
assuming you have a 12.60V source, and the resistance values are R1
= 1.60kΩ, R2 = 12.00kΩ, R3 = 4.40kΩ and R4 = 108.00kΩ. Express your
answer in mA.
.V R1 R2 R3 R4 2 w Liw
(25 pts)For the circuit below assuming an ideal diode with a 0.7 V drop (You must...
(25 pts)For the circuit below assuming an ideal diode with a 0.7 V drop (You must fill in the information in the boxes below): a. Sketch Vout VS. Vin- b. When Vin -5V: Determine which diode leg is conducting, the current flowing through the diode, and Vout? c. Find the values in part b when Vin 0.3V? d. Find the values in part b when Vin 3V? R 1-2k, R2 = 6k. R1 R2 D2 Vout DI R2
lai). In the diode circuit below use iterative method (use at least 3 iterations) to find...
lai). In the diode circuit below use iterative method (use at least 3 iterations) to find the diode voltage and current, if VDD=2.0 V, R= 1 KO2, the diode has Is - 10e- 15 A Find diode voltage and current using constant 0.7 V drop model. comment on the results of (i) and (ii) (iii) ang DV. b. Both diodes in the circuit below are rated 0.7V, 1mA. R=1KN Sketch vo vs vi If vi = 2sinot, on the same...
1. The reverse current in a diode has a value of 71.8 nA when the reverse...
1. The reverse current in a diode has a value of 71.8 nA when the reverse voltage across the diode is 324.99 V. If the breakdown voltage of the diode is 325 V, and its saturation current is 11.0 pA, calculate the value of n for this diode. Ans. (2-12 Bogart) n 4.979 2. For the circuit below with silicon diodes, which diodes are forward-biased and which are revers- biased? Is current flowing through the resistor? If so, draw a...
Problem 1. Find the current I and V, in the circuit. Turn on voltage of the...
Problem 1. Find the current I and V, in the circuit. Turn on voltage of the diode is 0.7V. (10 points) 1+5V Problem 2. Find the current and V, in the circuit. Turn on voltage of the diode is 0.7V. (10 points) + +5V BR-4.30 PV
Calculate the (a) current flowing in the circuit below and (b) voltage drop across the resistor...
Calculate the (a) current flowing in the circuit below and (b) voltage drop across the resistor Ron the right. The temperature is 600K. The battery voltage is 5 V. The resistance R-1 Giga Ohm. The equation for current through the diode is 1" 18 9 (exp/Vd/(2*VT)) - 1) Amperes. Vd is the voltage drop across the diode and VT is thermal voltage. Do not forget that this is diode with 2 as shown in the equation above. (1 Giga -...
Problem 1. In the circuit below, assume the 0.7V drop model for the diode, and use nV 25 mV The value of the capacitor is chosen suchthat the 385 Ω resistor R is short-circuited at the small signal operating frequency w. a) Determine the value of the diode current Ip under DC conditions. b) Determine the small resistance rp, and draw the resulting small signal circuit c) Determine the small signal current flowing through the circuit. R | 15 Ω...
The current flowing to the diode in the following
circuit is 5 mA and the current flowing to the load is 20 mA. I(0)
is always 25 mA and if the current flowing into the Load changes to
21 mA, what is the voltage (ΔV(out)) applied to both ends of the
Load?
-Use 'Small sinal model'
-R(1)>>3r(d)
Diode Bridge in Load Vout
Diode Bridge in Load Vout
Calculate the current flowing in the circuit below. The temperature is 300K. The battery voltage is 5 V. The resistance R-1000 Ohms. The equation for current through the diode isi 10 9 [op{VANT) - 11 Amperes. Vd is the voltage drop across the diode and Vt is thermal voltage 1) Calculate the current flowing in the circuit below. The temperature is 300K. The battery voltage 15V. The resistance R-2000 Ohms. The equation for current through the diode is 19 (exp/Vd/T)...
For the double diode circuit shown in figure 2-1, answer the following questions. In Figure 2-1 a) (10pts) For the triangular wave input shown (Vin), sketch the output voltage (Vout) using the constant voltage drop model (CVD: Vo-0.7V). Be sure to note the voltage values on the y-axis of your Vout plot and show any equations you used to determine those values ime FEE 334: Spring 2019 Midterm b) (2pts) During the middle of the first time segment (when Vin...
Find the current flowing through the circuit of the figure,
assuming you have a 12.60V source, and the resistance values are R1
= 1.60kΩ, R2 = 12.00kΩ, R3 = 4.40kΩ and R4 = 108.00kΩ. Express your
answer in mA.
.V R1 R2 R3 R4 2 w Liw
(25 pts)For the circuit below assuming an ideal diode with a 0.7 V drop (You must fill in the information in the boxes below): a. Sketch Vout VS. Vin- b. When Vin -5V: Determine which diode leg is conducting, the current flowing through the diode, and Vout? c. Find the values in part b when Vin 0.3V? d. Find the values in part b when Vin 3V? R 1-2k, R2 = 6k. R1 R2 D2 Vout DI R2
lai). In the diode circuit below use iterative method (use at least 3 iterations) to find the diode voltage and current, if VDD=2.0 V, R= 1 KO2, the diode has Is - 10e- 15 A Find diode voltage and current using constant 0.7 V drop model. comment on the results of (i) and (ii) (iii) ang DV. b. Both diodes in the circuit below are rated 0.7V, 1mA. R=1KN Sketch vo vs vi If vi = 2sinot, on the same...
1. The reverse current in a diode has a value of 71.8 nA when the reverse voltage across the diode is 324.99 V. If the breakdown voltage of the diode is 325 V, and its saturation current is 11.0 pA, calculate the value of n for this diode. Ans. (2-12 Bogart) n 4.979 2. For the circuit below with silicon diodes, which diodes are forward-biased and which are revers- biased? Is current flowing through the resistor? If so, draw a...
Problem 1. Find the current I and V, in the circuit. Turn on voltage of the diode is 0.7V. (10 points) 1+5V Problem 2. Find the current and V, in the circuit. Turn on voltage of the diode is 0.7V. (10 points) + +5V BR-4.30 PV
Calculate the (a) current flowing in the circuit below and (b) voltage drop across the resistor Ron the right. The temperature is 600K. The battery voltage is 5 V. The resistance R-1 Giga Ohm. The equation for current through the diode is 1" 18 9 (exp/Vd/(2*VT)) - 1) Amperes. Vd is the voltage drop across the diode and VT is thermal voltage. Do not forget that this is diode with 2 as shown in the equation above. (1 Giga -...
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