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Consider a PCM-TDM system in which 24 signals are to be processed. Each signal has a baseband bandwidth of 3 KHz. The sampling rate has to be 33.3% higher than the theoretical minimum, and 8 bits are to be used. Conventional NRZ-L encoding format is used. An extra bit is added to each frame for sync. Determine: (a) Required sampling rate (b) Line speed (c) Minimum required bandwidth
a) Design a minimum two-level NOR-gate network to realize the above function. b) Design a minimum three-level NOR-gate network to realize the above function.
consider a system with a 0.1mw transmit power unit gain for the transmit and receive antennas operating at 50 mhz carrier frequency with a 100khz bandwidth.the system operates in a suburban environment.
Use Modelsim and a VHDL test bench to simulate all the three models for a 4-to-1 multiplexer. Use basic gates for structural modeling. A tar VHDL library file is given for assistance.
Suppose the FCC allocates 300 kHz channels for a high quality video conference service. A service provider decides that this service requires 720 kbps (not including overhead and error control) for each channel.
Calculate: a. The rated primary and secondary currents b. The secondary voltage if it is connected at full load of 2000 kW c. The voltage regulation from no-load to full load. Voltage regulation is given by: (E(no-load)-E (full-load))/E(full-load)..
Bob enters a pizza shop and notices there are three different sizes of pizzas available. Sizes are given as the diameter of the pizza in inches. The cost of a pizza is based on the size. Bob would like to know which size of pizza has the lowest co..
Using the LM555 data sheet, make an estimate of the maximum fundamental operating frequency in the astable mode.
A CG amplifier when fed with a signal source having Rsig = 200 ohms is found to have an overall voltage gain of 10V/V. When a 200 ohm resistance is added in series with the signal generator the overall voltage gain decreased to 8V/V.
A consumer protection agency conducts opinion polls to determine the quality (excellent, good, fair, bad) of products imported. if the agency conducted a poll in wich 1000 randomly selected individuals were contacted..
Consider two signals that have the same frequency. When the amplitude of the first signal is at its maximum, the amplitude of the second signal is at half its maximum from the zero level. What is the phase shift between the two signals
Design an 8-bit register with 2 control inputs s1 and s0, 8 data inputs I7..I0, and 8 data outputs Q7..Q0. s1s0=00 means maintain the present value, s1s0=01 means load, and s1s0=10 means clear. s1s0=11 means to swap
What is the main operation when a comparator cascade with an active third order low pass filter, with a feedback of output to input.
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