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A clean, 15-%-efficient module (STC), 1 m2 in size, has its own 90% effi- cient inverter. Its NOCT is 44° C and its rated power degrades by 0.5%/° C above the 25° C STC.
a. What would its STC rated power be?
b. Find the kWh that it would be expected to deliver on a 15° C day with daylong insolation equal to 6 kWh/m2?
(b) Construct a 3-input-8-output binary decoder using NOT, AND and OR gates (without enable logic). (c) Using the above decoder, design the following logic function. Add the required gates and re-draw the decoder.
Calculate the capacitive reactance/ph such that the load power factor is increased to 0.98 lag and calculate the percentage reduction in line current with this value of capacitive reactance in circuit.
A toroidal core has a rectangular cross section defined by the surfaces a = 2 cm, b = 3 cm, z = 4 cm, and z = 4.5 cm. The core material has a relative permeability of 80. The core is wound with two coils having N1 = 1000 and N2 = 2500 turns of wir..
The Maxwell-Boltzmann distribution is often used to approximate the Fermi- Dirac distribution function. For what range of (E-Ef)/kT is the Maxwell-Boltzmann approximation accurate to within 10%
Consider a product data sheet for a photo-detector that states an optical power level of -32dbm is need at the photo-detector to specify performance requirement. What is the power level nW (nano Watts)
Calculate the FLAT BAND POTENTIAL and the THRESHOLD VOLTAGE for a real n+ polysilicon / p- silicon MOS diode having Na= 1017 cm^-3 and oxide thickness d = 5 nm. Assume that the oxide has only fixed oxide charges (Qf)
Design an active first-order RC low-pass filter (using a 741 op-amp) with a cut-off frequency of 10 kHz and a band-pass gain of 20 dB. Derive the step response and voltage transfer function.
Consider a group of capacitors, where C1=14 µF and C2=6.8 µF. Terminals A and B are connected to a 9.0 V battery. Find the energy stored in each capacitor.
A 20 kVA, 4400/220 V transformer with an equivalent impedance of 0.01 Ω is to operate in parallel with a 15 kVA, 4400/220 V transformer with an equivalent impedance of 0.015 Ω. The two transformers are connected in parallel and made to carry a loa..
For achieving a desired error probability, we are given that the receiver requires at least -30 dBm of power, and the maximum pulse spread must be no more than half of the bit period. The transmitted pulse has a spectral width of 0.5 nm, and the t..
Draw a state diagram for an FSM with an input "GCNT" and the outputs "X,Y,Z". The XYZ outputs generate a sequence called a Gray Code in which exactly one of the three outputs changes from 0 to 1 or from 1 to 0.
The frequency stability required for an amplitude modulated (ASK) optical coherent communications system is ±10 MHz.
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