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Why is the input voltage into the diode in a full-wave rectifier not smooth but the input voltage into the diode in a half-wave rectifier smooth, graphically speaking?
The analog signal cos (200t) is digitized using a sampling frequency of 300 Hz, and a quantization of 8 bits per sample. How many bits will be used to store 2 minutes of the digital signal
Assume that a receiver has a first amplifier stage with a 5KW input resistance, a gain of 300, an input audio signal of 20 mV, and an operating temperature of 27oC. When the amplifier is operating with a bandwidth first of 10 MHz
Consider the half-wave rectifier below. Assume the transformer output has amplitude 10.0 V and the diode forward voltage drop is zero. (a) What is the average output voltage (b) What's the RMS output voltage
You have a shortwave AM receiver (just an AM receiver that has the capability to receive signals in the FM frequency band) that receives an NBFM voice signal at some carrier frequency. You notice, however, that while the signal strength is maximiz..
A parallel plate capacitive sensor is used to measure displacement. The area of the plates is A and the gap between the plates is d. The space between the plates is completely filled by material with a dielectric constant of er.
A double-convex lens is to be made of a transparent material with an index of refraction of 1.3. One surface is to have twice the radius of curvature of the other and the focal length is to be 72 mm.
Consider cold windy breeze parallel to your face, with an average facial dimension along the flow of 5 cm. The air velocity is 1 m/s (corresponding to 2.2 miles per hour). Assume laminar flow. 1) Calculate the thickness of the velocity boundary la..
An analog AMPS cell phone channel at 900MHz carrier has a carrier amplitude of 4V and is a modulation signal m(t)=Bmsin(10000*pi*t). The amplitude of the modulating signal is 2V and the peak frequency deviation was found to be 10kHz
1. Find the volume of a frustum of a pyramid with square base of side 17, square top of side 9 and height 14.2. The base of a solid is a circular disk with radius3. Parallel cross sections perpendicular to the base are squares.
Let a = 2 + j and b = 3 - xj be complex numbers where 'x' is an arbitrary constant. Let c = ab (i.e., complex number 'c' is the product of 'a' and 'b'). Calculate the magnitude of c as a function on constant 'x'.
Two short antennas each of length 10cm at the origin carry identical currents of I = 5 Sin (wt). One is in the az direction and the other one is in the ay direction. If the frequency of the antenna is 60 MHz then calculate
An EKG signal is contaminated by 60-Hz noise. Design a bandstop filter to remove this noise while limiting distortion of the EKG signal. Sketch the magnitude and phase response.
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