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A CE amplifier utilizes a BJT with B = 100 and Va = 50 V, biased at Ic = .5 mA; it has a collector resistance Rc = 10 Kohm. Assume Rb >> Rpi. Find Rin, Ro, and Avo. If the amplifier is fed with a signal source having a resistance of 10 kohm, and load resistance Rl = 10 kohm is connected to the output terminal, find the resulting Av, and Gv. If the peak voltage of the sine wave appearing between base and emitter is to be limited to 5 mV, what vsig is allowed, and what output voltage signal appears across the load?
An AM broadcast receiver's pre-selector has a total effective Q of 90 to a received signal at 1180 kHz and uses an IF of 455 kHz. Calculate the image frequency and its dB of suppression.
A 240kW 500V 1750 r/min separately excited dc generator has an overall efiiciency of 94%. The shunt field resistance is 60 ohms and the rated current is 5A. The I^2 R loss in the armature is 0.023 pu.
1. A sinusoidal waveform is described by the equation: v(t) = 20V sin(120pit) pi = 3.1416 What is the value of the frequency 2. A sinusoidal waveform is described by the equation
Interpreting frequency domain signal spectrum to time domain, A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the voltage level of signals in volts vertically and frequency horizontally.
(a)Write out the channel matrix P and sketch its model formed by 2 identical parallel binary system channels(assume X-over prob is pdash) (b)Find the channel capacity C and the input probabilty that achieve it.
A 340 V, 6 pole dc Shunt motor has the following parameters: Rating: 35 kW Current: 122 A Speed: 1000 rpmArmature resistance: 0.35 Ohm Sunt field resistance: 150 Ohm Friction&Windage loss: 1.2 kW
Design and model a car battery charger using PSpice. Suppose that the source is a commercial circuit of 240V AC at 60Hz. The battery to recharge is 12V DC.
Consider a pn junction diode biased at I(D) = 1mA. A sinusoidal voltage is superimposed on V(D) such that the peak-to-peak sinusoidal current is 0.05I(D). Find the value of the applied peak-to-peak sinusoidal voltage if n = 1.5. Repeat problem for..
How many of these errors change the character's parity How many are detected 2) Determine whether the nor operator ~ defined by a ? b = (a+b)' is associative, commutative, or distributive over +.(show and prove them all) 3) Simplify the 3-input bo..
The average power is not necessarily equal to the average current times the average voltage. To show this, find a voltage waveform and current waveform where each has a zero average value but their product has a non-zero value.
TWO programs, X and Y were executed in THREE different machines, C1, C2 and C3 with the following outcome of execution times in second respectively; 8, 5; 6, 4; 3, 7. Calculate and determine a) Relative performance of the machines for each program.
Make a sketch of the band diagram for an n-type semiconductor and a p-type semiconductor doped with phosphorus and boron at 5*10^15/cm^3 respectively. Label all the features of your drawing, as well as the relative energy
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