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The NF (dB) is defined as 10log(SNRin/SNRout) - in the unit of dB. If we are given the values of SNRin and SNRout in dB unit, how do we calculate NF (dB) in terms of dB, and how do we calculate NF in term of a pure ratio?
Calculate the minimum PWM frequency for a small permanent magnet DC motor with a time constant of 15 milliseconds.
A string of Christmas tree lights consists of ten (2W, 11V) bulbs connected in parallel. a) What current flows in each bulb b) What is the resistance of each bulb
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
Design an open-circuited, shunt stub matching network to match a 125 + j20 ohm load to a 700 MHz, 50ohm generator. Show the lengths of your transmission lines in fractions of a wavelength.
Design an experiment that allows frequencies between 300-3300 Hz to pass with a 14 dB gain. At f = 10 KHz and f = 100 Hz, the gain should be -16 dB. Use a cascaded design consisting of first and second order Butterworth sections.
Suppose we want to construct a parallel plate capacitor of C= 1[F] using square plates. (a)If the dielectric is air (Xr= 1), and the plates are separated by 1 cm, what dimensions will the plates have
The 9s complement of a BCD digit can be used similarly to the way ones and twos complements of binary numbers are used preform subtraction via addition. The 9s complement of a BCD digit is simply the BCD coded result of subtracting the digit from ..
a zener diode exhibits a constant voltage of 5.6 volts for currents greater than five times the knee current.Izk is specified to be 1 ma. the zener is to be used in the design of a shunt regulator fed from a 15 volts supply .
If the accoustic impedance of water is 1.49 and for steel is 42.1, what precentage of sound energy is reflected at a water-to-steel interface? 12.5%,86.8%,43.9% or 43.59%.
What is the minimum level of the positive envelope for an AM signal with an unmodulated peak carrier level of 30 V and 80% modulation
Four frequencies are applied at the input of a non-linear amplifier. Write down all of the frequency components at the output of the non-linear device. Write down only the first three harmonics.
For each of the following functions, put the equation in the form of a Shannon decomposition. Create a pass transistor schematic to implement the function. Count the number of NMOS and PMOS transistors and the number of inverters.
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