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Consider a 0.8-µm receiver with a silicon p-i-n photodiode. Assume 20 MHz bandwidth, 65% quantum efficiency, 1 nA dark current, 8 pF junction capacitance, and 3 dB amplifier noise figure. The receiver is illuminated with 5 µW of optical power. Determine the RMS noise currents due to shot noise, thermal noise, and amplifier noise. Also calculate the SNR.
Later, the high side of the transformer is connected to a multi-meter with the low side left open. The meter registers a reading of 0.11 ohms. Afterwards, the multi-meter is connected to the low side with the high side left open.
Find the initial voltage V0 at the sending end (near generator) of the line.
In the fall in the northern United States, a manufacturerof snowblowers makes the following advertised offer. If youpurchase a snowblower and then it snows less than 20% of averagethat winter you get a full refund of what you paid (and keep the sn..
The following test data were obtained from testing a 48kVA, 4800/240-V, step down transformer: Open-circuit test Voltage (V) 240 Current (A) 2 Power (W) 120 Short-circuit test Voltage (V) 150 Current (A)10 Current
Suppose, for a family of logic components, VIL is 0.6V and VIH is 1.2V. What voltages are required for VOL and VOH to provide a noise margin of 0.2V?
The Source feed two loads, both of which areY-connected. The impedance of load 1 is 8 + j6 Ω/φ. Thecomplex power for the a-phase of load 2 is 600
A mealy sequential circuit has one input (x) and one output (z). z can be 1 when the fourth, eighth, twelfth, etc. inputs are present, and z=1 if and only if the most recent input combined with the preceding three inputs was not BCD encoding of a ..
The function f(t)=3cos(500πt) + 5cos(800πt) issampled digitally at a sampling rate of 400 Hz, starting attime t = 0.00025 s. (a)Calculate the frequencies that you would expect to see on afrequency spectrum of the sampled data.
Operational amplifier - Finding the offset voltage, An operational amplifier has a gain of 20. The input voltage is 125mV and the input bias current is zero.
Find the total capacitance when they are connected in parallel;- Find the total capacitance when they are connected in series.
A 400-km, 500 kV three-phase transmission line has a series impedance of z = 0.03 + j 0.35 ohms/km and a shunt admittance of y = j 4.4 x 10-6 S/km
a.) The current in a 75 mH inductor changes uniformly by 200 mA in 0.1 ms. What is the voltage across it b.) Determine the inductance of an air core coil with length 20 cm, 200 turns and a diameter of 2 cm.
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