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(1) What is a Darlington transistor configuration?
(2) What are its advantages and disadvantages?
(3) When is a Darlington configuration used?
(4) Can Drlington transistors be purchased?
(5) Do they come in complimentary pairs?
A load consists of a resistance R in parallel with a capacitor of reactance X. The load is fed from a single phase supply through a line of impedance 8.4 + j11.2 ohms. The rms voltage at the load terminal is 1200 at 0 degress V rms,
After having the VHDL code tested, make sure to run ISE-Simulator. Since there are 4 inputs, modify the test-bench code for all sixteen possibilities. View the waveform and test it against your truth table.
The 9S12G128 event counter is configured and enable for rising edge. A 0.5 Hz waveform (TTL logic levels) is applied to the counter input. With the counter starting at 0x0010, what is the data contained in the event counter
A silicon NPN bipolar junction transistor is to be used as an amplifier. What are the required bias conditions for this to occur If the emitter voltage is -3V, pick an acceptable base voltage and an acceptable collector voltage for the transistor ..
a. Plot the spectra of X(w) = t sinc(wt/2). Let t = 1 and -20 =
How does a transistor switch compare to a mechanical switch. In other words, a mechanical switch when it is ON has zero impedance. What about the transistor switch.
determine the equivalent impedance of the transformer referred to the high side (assume the equivalent resistance is negligible). Hint: draw a phasor diagram showing I E V and the impedance drop.
calculate inductance of sensor for air gap of 1mm and 3mm?
A three-phase overhead transmission line has a per-phase resistance of 0.15 ohm/km, and a per-phase inductance of 1.3263 mH/km.
Consider the system with impulse response \(h(t)=e^{-3t}u(t-1)\) 1. Find the transfer function. 2. Find the Laplace transform of the output when \(x(t)=sin(t)u(t)\)
Three loads are connected in parallel across a single-phase source voltage of 240 V (RMS). Load 1 absorbs 12 kW and 6.667 kVAR; Load 2 absorbs 4 kVA at 0.96PF leading; Load 3 absorbs 15 kW at unity power factor.
The z-transform X(z) of a causal sequence x[n] has a zero at z1 = 0 and three poles at p1 = 3/4 and p2,3 = (1/2)(1 ± j). Determine the z-transform Y(z) of the sequence y[n] = x[n + 3], its pole-zero pattern, and its ROC.
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