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Design a zener shunt regulator to provide an output voltage ofapproximately 10V. The supply is a 20V± 20% source andthe load current varies from 0 to 20mA. The zener availablefor use is a 1 watt zener with Vz=10.2V at Iz=20mA and rz=10Ω. Design for aminimum zener current of 5mA.(A) What is the largest value of R that can be used in thecircuit?(B) What is the largest zener current(Iz) that willoccur for worst case load currents?(C) What power does the zener have to dissipate under theseworst case conditions?(D)Are the ratings of the zener exceeded?
How many voice channels are carried by a E1 transmission given 8 kHz sampling and 8 bit words? Why is an end of frame marker always required in a digital telephony system?
Given the surface charge density,ρs =2μ c/m2 , exsisting in region ρ=0.2m, z=0, find E at (a) PA(ρ=0, z=0.5); (b) PB(ρ=0, z=-0.5). Show that (c) the field along the z axis reduces to that of an infinite sheet charge at small values of z
Given an ideal op amp to implement designs for the following closed-loop gains, what values of resistors (R1,R2) should be used. Where possible, use at least one 10-kohm resistor as the smallest resistor in your design.
Construct a table showing the current for values of time between 0 and 9 hours at intervals of 1 hour.Hence draw a graph of i against t for 0 is smaller or equal to t is smaller or equal 9.(cannot type in proper inequality symbols)
An inverting amplifier with resistors R1= 5.6k and R2=120K is fabricated using an op amp with an open loop gain of 10^5. What is the percent difference between the actual gain and the ideal gain
For each one of the 3 frequency responses, H(f), in parts (a), (b), and (c) do the following: i. Obtain the system's impulse response, h(t). ii. Indicate if the system is BIBO stable or not, and state why. iii. Indicate if the system is causal or not..
Suppose we have a 10-V-peak sinusoidal voltage source. Draw the diagram of a circuit that clips off the part of the sinusoid above 5-V and below -4V. The circuit should be composed of ideal diodes, dc voltage sources, and other components as neede..
A wire of radius 1.2 mm carries a current of 2.5 A. The potential difference between points on the wire 44 m apart is 8.6 V. What are the resistivity of the material of which the wire is made.
This assignment contains electronics engineering questions like State the commonly found components of a SCADA (Supervisory control and data acquisition) system. and decribe the function of the HMI in a SCADA system.
What is the value of RTH?
The armature of a shunt generator as a 0.05 ohms resistance. Each brush has effective resistance of 0.02 ohms. The terminal voltage is 100V while the current is 40A. What is the efficiency of the generator
A circular loop TV antenna with 0.02 m2 area is in the presence of a uniform amplitude 550 MHz sinosoidal signal. When oriented for maximum response, the loop develops an emf with a peak value of 30 mV.
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