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The relative dB amplitude reaponse of an amplifier decreases at the rate of 6 dB per octave at frequencies over 100 kHz. When the input of this amplifier is excited by a sinusoidial voltage of500 kHz and amplitude of 10 V, the output amplitude is measured atand found to be 20V. If the input voltage amplitude is now held constant and the frequency is increased by 2Mhz. What will the approximate output voltage be?
design the details of the D/A using a Weighted Resistor( NOT R-2R) technique, as well as the logic details of the sequencer/decision maker/state machine which sequences the A/D through its conversion steps to convert an analog input into a 4-bit b..
What sort of waveform does the input signal have? Is the input signal periodic or non-periodic? If the input waveform is non-periodic, what is its pulse width?
A series of combination having R=2Mohm and C=0.01 UF is connected across a D.C. voltage source of 50V. Determined capacitor voltage and charging current after 0.02s, 0.04s and 1 hour.
A system or component is imaginary (critically ) stable if at least one real part of the roots of the characteristic equation is equal to zero. Determine the stability of the following system and design the circuit.
An AM transmitter radiates 9 kW of power when the carrier is unmodulated and 10.125 kW when the carrier is sinusoidally modulated. Find the modulation index, percentage of modulation.
A number consists of multiple characters when written. In the software the numbers are stored as a binary value ultimately at the lowest level of the code translations. The compiler does the translation from binary to hex to decimal.
How does this cost compare with the current cost of new coal figured generation at 3.5¢/kWh? Write a brief (400 words or less) argument on why Colorado should or should not shut down its coal power plants and replace them with wind farms?
Giiven point p( -2 6 3) and vector a=yax +(x+z)ay. Express p and a in cylin and spher cordinates.eval a and p in the cartesian,cylin,and spherical systeem
A telecommunication system has a link bandwidth of 10 MHZ, signal propagation of 3.5 x 10^8 m/s, transmitting as 1500 frames per minute, with 15000 bits per frame, over a distance of 100 km. What is the bandwidth-delay product?
A 240kW 500V 1750 r/min separately excited dc generator has an overall efiiciency of 94%. The shunt field resistance is 60 ohms and the rated current is 5A. The I^2 R loss in the armature is 0.023 pu.
Suppose we have a 10-V-peak sinusoidal voltage source. Draw the diagram of a circuit that clips off the part of the sinusoid above 5-V and below -4V. The circuit should be composed of ideal diodes, dc voltage sources, and other components as neede..
A real estate firm evaluates incoming selling agreement forms using the single sampling plan N=1500, n=110, and c =3. construct the oc curve using about 7 points.
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