66. The voltage drops in this circuit indicate normal diode operation D1 R1 9 V a...
In the below circuit we put Snubbing Diode D1 across the coil to protect the transistor (represented here as a switch) from the high reverse transient voltage when the switch (transistor) is opened. Note that this represents a model of a real inductor that has a 100 ohm DC resistance. Calculate the current that will flow in D1 at t-0 L1=1mH R1=0.1k VS-10V will be open at t-0 D1
Refer to the following circuit, assuming IS = 1.0 pA; D1 is a
generic rectifier diode, and it is at temperature of 500
C. Calculate the voltage drop VR across R1 for
(a) R1 = 1.0 Ω,
(b) R1 = 10 Ω,
(c) R1 = 100 Ω,
(d) R1 = 1.0 kΩ.
R1 1.0Ω D1 V1 -1.ον
The output of the following circuit is affected by: R1 Out WYD1 D2 Out D1 v1 2K 1N4148 V2 1N4148 T 1N4148 1N4148 V3 3.6V 4.8V SINE(O 10 1k) Select one: The branch that contains D2. because it has higher DC voltage (4.8V) The branch that contains diode D1 because it has lower DC voltage (3.6V) Both branches (that contain D1 and D2) are parallel with V= 3.6V. Hence both branches are affecting V(out) Both branches (that contain D1 and...
+20 V ID- 6 mA RG Figure 7-3 21) Refer to Figure 7-3. In this circuit, VGs is biased correctly for proper operation. This means 21) that VGS is negative. C) either negative or positive. D) positive. 22) Refer to Figure 7-3. Calculate the value of VDs 22) A) 0 V B)-2 V C) 2V D) 4V o-vs Vos + 20 V Cs キDj R1 Figure 9-3 23) Refer to Figure 9-3. The de voltage across RL was measured at...
The open-circuit output voltage of a battery is 24 V. The voltage across the battery terminals drops to 20 V when a 1000 Ω resistor is connected across them. What is the internal resistance of the battery?
2. Rectifier with zener diode Given: Simple AC powered voltage reference source with following parameters: D1...D4 R1 Vout Vin SEC V sec=10 V (RMS) fset=60 Hz Vp=0.6 V (each) ZD=5.6 V / 10 mA C= 10 uF VREF= 5.6 V ☆ Calculate: R1 V Ripl
AC ンSUPPLY TRIAC ra DIAC Given the above circuit and the TRIAC is on, it acts as O a relative short and roughly 0 drops volts across it a relative short and most of the supply voltage drops across it Oan open and roughly O drops volts across it O an open and most of the supply voltage drops across it DIAC SUPPLY TRIAC AC the lamp[below), which Given the above circuit and the three representations of the voltage acros...
Plot the input/output characteristics of the circuit
below,assuming a constant-voltage model
D1 R1 2
50012 V R 2. (15 points) The Zener diode in the circuit has a voltage Vzo = 8V. When the diode current is 10mA, the voltage across it is V = 8.25 V. The supply voltage is: Vpc = 15 V a) Find the small resistance rz of the diode. b) Replace the diode by its model, and find the Thevenin equivalent circuit to the left of the load RL c) Find the voltage V, across the load for two...
(a) The following circuit shows a linear
voltage regulator. Assuming the zener diode has specifications (VZ
= 2.5 V, IZ = 60 mA), select adequate resistor values to provide a
regulated output voltage Vo = 10 V from an unregulated voltage Vi =
15V.
(b) Calculate the power efficiency of the
regulator when a load RL = 10Ω is connected to the regulator
output.
(c) Briefly explain the terms “dropout”, “line
regulation”, and “load regulation”, as they apply to voltage...