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Indctance = 300nH/m, Capacitance = 53pF/m, Frequency = 0.02HzA coax cable... start with the general form of thecharateristic impedance state any approximations and find theexpression for the charateristic impedance.what do you expect the phase velocity to be?
The pre- Limiter circuitry has a Noise Figure of 8dB and an input Noise Temperature of 1800C. Given an FM demodulation noise improvement of 17dB, determine the minimum receive signal power to achieve a post detection signal to noise ratio of 35dB.
A 10 kHz signal modulates a 500 MHz carrier, with a modulation index of 2. What are the maximum and minimum values for the instantaneous frequency of the modulated signal
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
A 10 cm length of a K-band copper waveguide is filled with a dielectric material with er = 2.55 and tan f = 0.0015. If the operating frequency is 15 GHz, find the total loss through the guide and the phase delay from the input to the output of th..
The circuit also has a single bit output V. If the 4-bit input is not a valid 8421 BCD digit, V = 0; else V = 1. If V = 0, (the input is not valid) the gray code BCD outputs are don't cares.
A 3 phase 50hz star connected motor has rotor resistance and stand still reactance of 0.025ohm and 0.35 ohm respectively. The full load slip is 5% calculate the resistance per phase of a star connected rheostat
A common-emitter amplifier with an emitter resistance RE, but without an emitter by-pass capacitor CE is good for high input resistance, common-emitter amplifier using an emitter by- pass capacitor is good for high voltage gain
Explain the difference in amplitude associated with the output waveform based on the operation of the semiconductor diodes. background info: in the ouput the square wave oscillates from 0V to 1.1625V.
A woman is standing in the ocean, and she notices that after a wave crest passes by, five more crests pass in a time of 37.7 s. The distance between two successive crests is 34.7 m. What is the wave's (a) period, (b) frequency, (c) wavelength, and..
Show that it moves in a cycloidal path, and find the drift velocity, or the velocity of the center of the rolling circle along the z axis. If the electric field is 10^4 volts/cm and the magnetic field is 10^4 gausses, find the value of the drift v..
Prove that the potential cannot have a minimum in an uncharged region of space. Prove therefore that a point charge cannot be in stable equilibrium under the action of electrostatic forces in an uncharged region.
The equivalent series impedance of the transformer is (1.0 +j2.5) ohms referred to the high side. The transformer is delivering rated load at 0.8 power factor leading and at rated secondary voltage. Neglecting the transformer exciting current.
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