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The desired signal at the output of the amplifier is 10 dBm, and the signal level applied to the fiber connector at the head end is 10 dBm. What should the gain of the amplifier be to have 10 dBm at
The received power at a receiver antenna is -38 dBm. If the system impedance is 50 Ohms, what is the voltage at the receiver antenna
Three amplifiers with power gains of 15, 22, and 7 are cascaded. The input power is 120 µW. What is the output power of the final amplifier stage
A six pole, 40 kW, 400 V d.c. motor draws 110 A from the supply. The shunt field resistance is 200 Ohm and the armature resistance is 0.5 Ohm. The armature is wave wound with 600 conductors operates
A µ-law compression encoder has: Vi(max) = 8 V, vi(max) = 1V, µ = 255 Determine the output voltage for an input voltage of 2 V.
For a 12-bit linear PCM code with a resolution of 0.02 V, determine the voltage range that would be converted to the following PCM codes. (a) 1 0 0 0 0 0 0 0 0 0 0 1 (b) 0 0 0 0 0 0 0 0 0 0 0 0
assume filter is connected to a pure resistive load. The cutoff frequency is not to drop below 25krad/s. What is the smallest load resistor that can be connected across the output terminals of the
Determine the minimum number of bits required in a PCM code for a dynamic range of 80 dB. What is the coding efficiency
Design a series resonant circuit to have a bandwidth of 400 Hz using a coil with a Ql of 20 and a resistance of 2-ohm. Find the values of L and C and the cutoff frequencies
A continuous-valued signal had a probability density function that is uniform over the range from -8V to +8V. It is sampled and quantized into eight equally spaced levels ranging from -7 to +7.
Assume the mass of the cup and water to be equal to the mass of water alone. Calculate the normal force FN for 300 g and 150 g.
What will cause latch-up in a CMOS IC. What might happen in this condition. What precaution should be taken to prevent latch-up.
A certain logic family has the following voltage parameters: VIH(min)=3.5V , VIL(max)=1.0V; VOH(min)=4.9V, VOL(max)=0.1V a) What is the largest positive-going noise spike that can be tolerated
What is the phase relationship between IC and IL at IS minimum. What is the phase relationship between VC and VL at IS maximum.
A three-phase generator is producing power for a balanced load. Each phase provides a voltage of 690 V and a current of 1000 A. The angle between the voltage and current in each phase is 20°. Wh
Assume you are performing 2's complement arithmetic in a computer with 8-bit registers. After the following code is run, signed char a = -17, b = 120, c; c = a - b; What is the binary and decimal valu
A special case of the NON-inverting amplifier has Rf = 0.0 ohms. That is, the op amp output is connected directly ("short circuit") to the inverting input and Ri is removed entirely (i.e., Ri = infi
The pumps exhibit a surging effect with a period of 2.2 sec. What is the minimum sampling rate to ensure quality data. How much time can be spent processing each station's data. Data acquisition har
The variables are provided as high (1) and low (0) levels for digital control. An alarm should be initiated whenever any of the following occur: a. Speed is low; both weight and loading rate are hig
A system is needed to measure flow, which continuously cycles between 20 and 30 gal/min with a period of 30 sec. The required output is a voltage varying from -2.5 to +2.5 V for the cycling flow ran
Develop a voltage-to-current converter that satisfies the requirement I = 0.0021Vm. If the op amp saturation voltage is ±12 V and the maximum current delivery is 5 mA, find the maximum load r
A manufacturer specification sheet lists the transfer function of a pressure sensor as 45±5% mV/kPa with a time constant of 4±10%. A highly accurate test system applies a step change o
A sensor provides temperature data as 360 uV/C. Develop a comparator circuit that goes high when the temperature reaches 530 C
Given a state diagram with 622 states and 7 input variables, how many K-Maps would be needed to be solved to design the system using T flip-flops