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1. Find IC, IE and IB for a PNP transistor if IS = 10-16 A, ßF = 75, ßR = 0.40, VEB = 0.75V and VCB = +0.70V
2. The total transport current iT traversing the base of a BJT is determined by IS, v BE and v BC. Find iT if IS =10 -15A, v BE = 0.75V and v BC = -2.0V
3. What is the region of operation a) of a npn transistor with v BE = 0.75V and v BC = -0.70V, b) a pnp transistor with v BE = 0.70V and v BC = 0.75V?
Suppose unchirped Gaussian pulses at f = 1:55 fm are used to transmit binary data. You're given that the fiber dispersion parameter f = 17 ps/km-nm, and the dispersion length LD = 115 km. What is the half-width of the pulse at the origin
Reduce the two functions given below and implement them using fewest 8x2 ROM's. Draw a neat labeled diagram showing interconnection between the ROM's address and data lines, and content of each ROM.
At the beginning of each year, the cows are divided into three groups. Young heifers (aged 0 to 1 year) make up the first group. The second group consists of cows aged 1 to 2 years, and the third group consists of all cows aged 2 years or older.
A tractor-trailer truck driver friend often delivers to companies that do not have a fork truck or loading dock. She wants to install a lift-gate on her trailer so she can load and unload her truck without a fork truck.
Calculate the THD and Dynamic range for each case assuming ideal digital to analog conversion: i. N = 30 converter bits ii. N = 60 converter bits iii. N = 90 converter bits
A solenoid is 25 cm long, 3 cm in diameter, and carries 4 A dc in its 400 turns. Its axis is perpendicular to a uniform magnetic field of 0.8 weber per square meter in air. Using an origin at the center of the solenoid, calculate the torque acting..
calculate the mmf when the machine operates at rated voltage at full load? PLease explain how to get the solution to this problem?
Compute the basic checksum, the 1's complement checksum, and the 2's complement checksum for each of the following groups of 8-bit data elements using both the basic calculation of the datasum and the one's complement datasum.
Convert both numbers to 4-bit values, take the 2's complement of 9 and add them. What happens to the carry out How does that compare with what happens when you subtract 8 from 9
A 500 hp, three-phase, 2200 V, 60 HZ, 12-pole, Y-connected, wound-rotor induction motor has the following parameters: R1 = .225 ohm : R'2= .235 ohm Xeq = 1.43 ohm and Xm = 31.8 ohm and Rm = 780 ohm
A. What percent had none of these defects. B. What percent had at least one of these defects. C. What percent were free of type X and/ or type Y defects D.What percent had not more than one of these defects
Vo(t) = RC (dVi(t)/dt). Suppose you have a triangle waveform as input to the differentiator with 100pF capacitance and 100 Ohms. The peak to peak voltage of the triangle waveform is 10Vpp and its frequency is 100k Hz.
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