Find the value of R1 in the circuit shown below, assume Ip2 is twice Ipı. The diodes have constant voltage drop of 0.7v for silicone and 0.3v for germanium
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- How is a solid-state diode tested? Explain.Q2:- Find the level of Vo for each circuit shown in the Figure below. Also, determine the status of each diode; if it is forward or reverses biasing. Assume all diodes are silicone with 0.7v drop. +5 V +15 V -10 V (12 Marks) R DI +5 VoK D +5 VoK DI -5 VoH -5 Vo4 D2 D2 D2 +5 VoH D3 +5 Vo4 D3 -10 VoK D4 V. -5 Vo K (a) (b)consider the figure below that shows an approximated reverse recovery turn-off characteristics for a power diode. Show that the following relation can express the total reverse recovery charge, Qrr = 1/2(trr*ts1) di1/dt =1/2(trr*ts21) di2/dt * ip Isl 1s2! -Ir
- A diode circuit is given in the below figure, in which two diodes are connected in series and their saturation currents are Is1 =10-¹6 A and Is2 =10-¹4 A. If the applied source voltage is 1 V, calculate the currents IDI and ID2 and the voltage across each diode VDI and VD2. IDI Ī Vpl + D₂ VD2Consider the circuit shown in Figure 2. The cut-in voltage of each diode is . Let and assume both diodes are conducting. Determine if this is a valid assumption and explain your answer. And calculate the values of IR, ID, Ip2, and V.. Rj =1.7 kQ ww VB =1 V D1 Dz R2D 4 kQ Figure 2Since R1=4.51 Kohm, R2=1.19 Kohm R3=2.74Kohm R4=5.60Kohm VCC=23.00V and diode silicon in the circuit given in the figure, find the current passing through the diode in mA
- Consider the circuit with three diodes and a AC input, as shown below: D2 R1 D1 D3 R2 Assume that the input AC voltage is Ttsin(100TTT). You may consider the diodes to be ideal. mean voltage generated across resistor R2 is (assuming current direction to be from AC so into R1, through diode network, and through R2 from top to bottom): O a. 0.5V Ob. -0.5V O c. 1V O d. OVQ1/Consider the circuit in Figure with a transformer of 10:1 transformation ratio and the diodes are silicon. a) What type of circuit is this? (b) What is the total peak secondary voltage? (c) Find the voltage value across the resistor (d) Sketch the voltage waveform across RL (e) What is the PIV for each diode? D3 D 120 V Pisez) Vpouo D D 10 kn lleee3: Using silicon diode design a clamper that will produce output V,-20Sin wt+10 (v) when the input voltage is Vo=20Sin wt-10 (V).Draw the circuit diagram and the input and output signals. 4:The 6-V zener diode has a maximum rated power dissipated of 690 mw.Its reveres current must be at least 3mA to keep it in breakdown. Find a suitable value for Rs if V; can vary from 9v to 12v and Ri. can vary from 5000 to 1.2KO.
- Calculate the currents passing through the diodes D1 and D4 in the circuit given below. (All diodes are silicon).Q2:- Find the level of V, for each circuit shown in the Figure below. Also, determine the status of each diode; if it is forward or reverses biasing. Assume all diodes are silicone with 0.7v drop. +5 V +15 V -10 V ER DI +5 Vo4 +5 Vo4 -5 Vo -5VoKD2 +5Vo D2 +5 VOK3 D3 -10 Vo D4 -5 Vo4 (a) (b) (c) +어For the circuit below, assume the diodes operate with a constant voltage drop of .7V, find Vx, Vy, VD4 and ID2. 15V 15V Allt V1 V2 R1 1k IDC 1mA Vx R2 2k ww D1N4002 Vy D1N4002 7D1 D1N4002 D2 D3 R3 1k D4 D1N4002