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From the circuit shown determine Ai,Zi, Zout and hie for: ri=2k R1=3.5K R2=20K,RC=1500 RE=500 AND RL=1500 Hfe=100
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- Post-lab Questions 1) If the diode D3 is damaged (as open) draw the output voltage waveform in this case. D1 D2 V1 F1 220Vrms n 50HZ T1 0° 220v:40v D3 D4 transformer_mA. No If a Si diode at room temperature (25°) has a leakage current Is = 46 nA, k = 5,800, and V₁ = 0.65 V, The diode current is need for a solution. Just write your numeric answer in the space provided. Round off your answer to 2 decimal places. Add your answer Short answer. What is the greatest threat to a diode? Use the editor to format your answer Short answer. What type of bias makes a diode act as a closed switch? Use the editor to format your answera. If you do not go completely around the loop when applying Kirchhoff’s voltage law, then the algebraic sum of the voltages cannot be determined the algebraic sum of the voltages will always be positive the algebraic sum of the voltages will always be negative the algebraic sum is the voltage between the start and finish points b. A p -type semiconductor is a semiconductor doped with impurity atoms whose electron valence is +4 pentavalent impurity atoms trivalent impurity atoms
- EENG226 SIGNALS AND SYSTEMS PLEASE SOLVE A B C DApply each of diodeapproximations and determine:a. Current through D1b. Voltage across D2c. Voltage across R3 GIVEN: R1 = 2 kΩ, R2 = 1.2 kΩ, R3 = 6.8 kΩ E= 10 V D1: Si, rB = 2 Ω, rR = 220 kΩ D2: Si, rB = 5 Ω, rR = 560 kΩ DETERMING FIRST IF IT IS A FORWARD BIASED OR REVERSED BIASED THEN, SOLVE IN FIRST APPROXIMATION, SECOND APPROXIMATION AND THIRD APPROXIMATION SHOW THE CIRCUIT DIAGRAM IN EACH APPROXIMATIONas ap q1a
- Q2/ Looking at the directions of the four diodes .What is the current through 80 2 resistor in the circuit shown in figure. Assume the diodes to be of silicon and forward resistance of each diode is 1Q. D1 A D3 80 0 +20 V D4 A D2 O A. 225 mA О в. 227 mА О С. 229 mА О D. 230 mA 中 中For Fixed Bias Configuration Solve for Ib, Ic and le. Atleast 2 decimal place. Be mindful of units. Assume Ic is not equal to le. ... 4 RC 15002 RB VCC 20V 90A/A 100k2 Ib=Blank 1 HA Ic=Blank 2mA le=Blank 3 mA Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your answerDiodes Are Connected In Series To Share A Total... 21 Question • Two diodes are connected in series to share a total reverse voltage of VD=D 5 KV. Reverse leakage currents of the diodes are ID1=30 mA and Ip2=35 mA. - Find Vp1 and Vp2 for R,=R2=100 k2 - Find R, and R2 for VD1=VD2 R1 VD1 Hint: Is=L,+IRj= I,2+IR2 VD R2 VD2
- In the circuit below, we have a Zener Diode circuit with a load, RL. Use the same measurements for source voltage V1 and resistor R3 resistance as in the circuit schematic. V1 -15V R3 2700 D1 1N753A RL Determine the lowest possible value for the load RL, so that the voltage drop across it is equal to the Zener voltage. For your diode, use model Zener 1N753A. This diode has a Zener voltage of 6.2V, a Zener current of 60mA, a Zener impedence of 72, and a test current of 20mA.liting Q9. For the circuit shown in Figure C9, Calculate the following i) Current through the Silicon diode (Isi). ii) Current through the Resistor R2 (1). iii) Current through the diode D4 (IGe4). iv) Voltage at points V3 and V4. Is D1. D2 Si Si oV4 RI 1.3K2 R3 2.7K R2 3K2 IGe4| 15V D5 Si 03 D4 Ge Ge V2 1V Figure C9What is the voltage measured from the negative terminal of C4 to the negative terminal of the transformer? Assume ideal diode. Do not include the unit. HE D4 D3 D2 5 V CA C2