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A rectangular chip has a top surface of 0.5 cm by 2 cm cooled by air at 20 oC with h = 150 W/m2.K. There are also 16 connector pins, 1 mm wide, 0.5 mm thick, 6 mm long and k = 60 W/m.K attached to a circuit board at 30 oC. If the surface temperature of the chip is not to exceed 80 oC, determine
a. The power dissipated by the top surface of the chip
b. The power dissipated by the pins
c. The total power dissipated
Determine whether the Boolean funcions F=a'c+ab'c+ab and G=b'c+a'bc+abc+ab are equivalent using algebraic manipulation.
Detailed Explanation to Op-Amp, A certain op-amp has an open-loop voltage gain of 100,000 and a common mode gain of 0.2. Determine the CMRR in dB.
What RF bandwidth is required to send the data using QPSK? If the RRC filters in the transmitter and receiver are replaced with ones that have ? = 0.20, what are the new RF bandwidths in parts (a) and (b)?
an unknown semiconductor has Eg=1.1ev and Nv=Nc.it is doped with 10^15 donors,where the donor level is 0.2ev below Ec. given that Ef is 0.25ev below Ec, calculate ni and the concentration of electrons and holes in the semiconductor at 300k.
Suppose the RTD of (108.1 Ohms) has a dissipation constant of 25mW/°C and is used in a circuit that puts 8 mA through the sensor. If the RTD (108.1 Ohms) is placed in a bath at 100°C, what resistance will the RTD have
The frequency response of an FIR filter is H(ejw)=b0+b1*e^-jw+b2*e^-2jw. In each case below, state whether the filter is highpass, lowpass, bandpass or band stop and draw the pole zero plot.
Calculate the approximate quantization S/N ratio in the baseband audio signal at the receiver output (after the DAC and LPF).
A first-order circuit, having a gain of 10 at dc and a gain of 1 at infinite frequency, has its pole at 20 kHz. Find its transfer function.
Determine the range of values of K such that the system is stable for s(s²+4s+10)+ k (s+5)=0
Polyethylene with ?_r = 2.25 is used as the insulating material in a lossless coaxial line with a characteristic impedance of 50 Ω. The radius of the inner conductor is 1.2 mm.
When the amplifier is operating with a bandwidth first of 10MHz, find? 1) The RMS input noise power level? 2) The audio output power level? 3) The RMS output noise power level?
algorithms to show the differences in the intra prediction in the h.264 and hevc coding standards. it should indicate how the intraprediction in the two coding standards makes a difference in their efficiency.
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