In the circuit shown below, the knee current is 10 mA. To maintain 5 V across...
(2) For the negative logic gate shown below, determine the output Vo for each input combination shown in the table. Hence, identify the logic function implemented by this circuit. 2.2 kΩ 0 -5 V (3) For the circuit shown below, (a) determine VL, IL, Iz, and IR if RL-180 2 (b) Repeat part (a) if R 470 2 (c) Determine the value of RL that will establish maximum power conditions for the Zener diode. (d) Determine the minimum value of...
(16%) in the following network, determine the range of RL that will maintain V, at 10V and not exceed the maximum power rating of the zenor diode. → 220 Ω Vz = 10V Pgmax = 400 mW 20 V
that's all information it gives A zener-diode voltage regulator circuit is shown below. The tage V 8.0V and the zener resistance is assumed to Problem 3: (20 points) zener diode has breakdown vol be 0 ohms. The power supply voltage Vps can vary between resistance RL can vary between 100 ohms and 1 kohm. 10V and 14V and the load Ri PS 1. Find a value of Ri such that the zener diode remains properly biased over the range of...
b) For the circuit shown in Figure Q1(b) below, the voltage source is 18 V. Determine Vo, Voz and /. [CO2/PO3/C4] (10 marks) Vo1 0.47 k 1 ka Vo2 Si 18 V Si Figure Q1(b) For the circuit shown in Figure Q1(b) below, the voltage source is 18 V. Determine b) Vot, Voz and / [CO2/PO3/C4] (10 marks) Vof 1 ka 0.47 kn Vo2 ZSI 18 V Figure Q1(b) ) Figure Q1(c) shows a basic voltage regulator circuit. Determine Vi,...
Problem 3: (20 points) A zener-diode voltage regulator circuit is shown belkw zener diode has breakdown voltage Vz 8.0V and the zener resistance is nsumed to be 0 ohms. The power supply voltage Vps can vary between 10V and 14V and the lod resistance Ri can vary between 100 ohms and 1 kohm, 圧 1. Find a value of R such that the zener diode remains properly biased over the range of variation of Vps and RI (hint: the minimum...
Find the operation mode of the transistor and the current through the diode. VT=3 V, K=0.25 mA/V^2. VDrain isn't provided. RD 1k RG 4k7 RS 1k8 Vz=10V RD 1k RG 4k7 RS 1k8 Vz=10V
Please show all work. In the circuit shown: Vs = 7 V, Is = -3 mA, R1 = 220 12, and R2 = 220 . Use the on/off diode model to find the diode current and voltage. + Yo- Answer ID = 15.8 mA and vp = 0.7 V.
Table 1: Zener Diode Parameters Description Quantity Value 1.0 W Po Absolute maximum power dissipation Typical zener voltage 5.6 V Minimum zener (knee) current 1.0 mA 45 mA Typical zener current Maximum zener current IZM Zz Zener impedance Zener knee impedance 179 mA 52 600 22 25 °C ZzK ΤΑ Rated ambient temperature 1N4004 Rs = 100 22 220 uF 1N4734A Transformer Vs = 12.6 VRMS 1N4004 60 Hz 2. Going back to Figure 1, remove the load resistance (or,...
The circuit above is a Zener voltage regulator using D1N750 zener diode with Vz=4.7V: 1. Calculate the minimum value of E in order to have the voltage across RL regulated VL=Vz 2. Using Orcad PSpice schematics, simulate the circuit using bias point and find Iz, IL, Is and Vz (the circuit must have all voltages and currents values shown). 3. Using Orcad PSpice schematics, use DC sweep to vary RL from 200 ohm to 1000 ohm and plot VL (for...
Iz(max) 1 (max).IVes(max)-vzl-Ic(min) [Vps(min)-Vz] Vps(min)-0.90 z-0.1V ps(max) for Iz(min) = 0.11z(max) Vps (max) -V, R Iz(max)+1(min) R. • A Zener diode is connected in a voltage w + regulator circuit as shown in the Figure. The Zener voltage is Vz = 9V. V VZ • Determine the value of Ri such that the Zener diode remains in break down in the following two situations: If the load current varies from I = 50 to 500 mA and If the input...