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Reference the textbook problem 6.12. Design a system using the photoconductive cell in Figure 6.9 to measure and display light intensity. Make the design such that 20 to 100 mW/cm2 produces an output of .2 to 1.0 V. What is the readout error when the intensity is 60 mW/cm2?
A circuit consists of a current source, i=0.030 sin 500t, in parallel with L=20mH, C=50 micro Farads and R=25 Ohms. a. Determine the voltage V across the circuit. b. Solve for the power factor of the circuit.
i) Identify the PSK type and calculate the bandwidth if the modem is transmitting with 9600bps and 2400 baud. ii) Suggest a way to reduce the baud rate to 1200 baud and calculate the new bandwidth.
a) The input signal to an amplifier is -20 dBm. What is the input signal power in mW. Given the input signal and noise power in parts (a) and (b), what is the input signal-to-noise ratio in dB.
Rain affects the downlink from the satellite and the overall CNR ratio in the receiver falls by 6.0 dB to 13.0 dB. What is the bit error rate and the time between errors now?
Given that the required transmission time for a block of data of length 64kilobits to be transmitted error-free is 6 seconds and that the receiver has a bandwidth of 20kHz, what is required SNR of the receiver
The specification of the desired low pass filter are A min=23 dB, A max=5dB, P=02 and S=0.6. Design a Butterworth digital filter using bilinear transformation.
A set of 4 µm wide windows are to be etched into a SiO2 film of thickness 0.8µm. a) Find the dimension of the window, as measured at the top of the oxide, after ideal isotropic etching (i.e. no overetch).
A wave in free space has a wavelength of 12 cm. This wave reaches a material in which the transmitted wave has a wavelength of 8 cm. lEl= 10V/m and lHl= 100 mA/m. Find the frequency of the wave, along with the permitivity and permeability of the m..
A pn-junction is formed in silicon by doping one side with acceptor atoms at concentration Na = 10^19 cm^(-3) and another side with donor atoms at Nd = 10^18 cm^(-3). A. What is the dopant concentration on the p-type side and on the n-type side
A Three phase thyristor converter, VLL=460V (rms) at 60 Hz, and Ls=5mH, the firing angle "a " is 30 degrees electrical, the converter is consuming 5Kw, the DC current is assumed to be constant.
How long would it take to complete a read operation in a MT48LC32M16A2 with a 120 MHz clock and a value of 002AH in the mode register
The flip-flop input excitation equations are as follows: JA=XQ'B; KA=X'; JB=XQA; KB=X'Q'A The output equation: Z=XQAQB 1. Draw the circuit diagram 2. Obtain and simplify the flip-flop characteristic equations 3. Obtain the state table
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