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Consider the circuit of Fig. 5.59 for the case: VCC = VEE = 10V, I = 1mA, RB = 8kΩ and β = 100. Find all dc currents and voltages. What are the allowable signal swings at the collector in both directions? How do these values change as β is changed to 50? To 200? Find the values of the BJT small-signal parameters at the bias point (with β = 100). The Early voltage VA = 100V.
Show that a Johnson counter with n flip-flops produces a sequence of 2n states. List the 10 states produced with five flip-flops and the boolean terms of each of the 10 AND gate outputs.
A silicon (ni= 10^10 cm^-3) p-n junction diode has a maximum electric field of -10^6 V/cm and a depletion layer width of 1 um. The acceptor density in the p-type region is four times larger than the donor density in the n-type region.
In use its arms are stretched to three times their original length before release. Assume the the modulus of rubber is 10-3 GPa and that it does not change when the rubber is stretched. How much energy is stored in the catapult just before release
A negative feedback amplifier has a close-loop gain Af=100 and an open-loop gain A=105. What is the feedback factor If a manufacturing error results in a reduction of A to 103, what close-loop gain results
A CG amplifier when fed with a signal source having Rsig = 200 ohms is found to have an overall voltage gain of 10V/V. When a 200 ohm resistance is added in series with the signal generator the overall voltage gain decreased to 8V/V.
an object hose mass is 200 kg moves at a velocity of 50m/sec and altitude of 200m,both measuredc relative to the surface of the earth. the acceleration of gravity can be taken as constant at g=9.8 m/sq.sec.
The voltage drop across a 1 cm long resistor is 10 V. a) Calculate the electric field across the resistor; b) Calculate the work done by the electric field when it pushes a single electron through the length of the resistor
The bandwith of a series resonant circuit is 400 Hz. if the resonant frequency is 4000 Hz, find Q. and if R = 10 ohms, what is the value of XL at resonance", and Find the inductance L, and capacitance C of the circuit
If the tansformer is connected to a 0.8(at 10 degrees) Ω load on the low-voltage side, determine the primary and the secondary currents when the transformer is connected to 1200 V rms.
How do you create a C-style string. Give examples. How do you input or output a C-style string. What kinds of tools are available to work with C-style strings. Show some examples of using those tools.
What is the maximum number of receptacles permited on a 15A; 120V branch circuit. A 20 A 120 V circuit. How many small appliances branch circuits are required to supply receptacles in the kitchen and dining areas of residences
A voltage of 60cos(4πt) V appears across the terminals of a 3mF capacitor. Calculate the current through the capacitor and the energy stored in it from t=0 to t=0.125 seconds.
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