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Double Stub Tuner, Suppose that we wished to match an admittance using a double-stub tuner where the stubs are lambda/4 apart. For what range of admittance values can we perform the stub tuning? (If y = g + jb, what are the maximum values of g and b?)
Determine ideal impulse response using inverse discrete-time Fourier transform. An ideal low-pass filter is described in the frequency-domain by
A filter has the following characteristics: Attenuation is 0 dB from 0 Hz to 2.5 kHz. Phase angle decreases linearly with increasing frequency above 2.5 kHz. Above 5 kHz the filter has steadily increasing attenuation.
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?
Derive the expression for TRANSFER FUNCTION and write the expression for magnitude and phase of H(f).
Determine power series values for common scientific and engineering functions and Obtain the Maclaurin series for the following functions. State the values of the x which the series converge.
Explain the operation of sequential logic devices and evaluate the output waveform in relation to the clock for QA, QB and QC in the subsequent circuit and show the binary sequence represented by these waveforms
A radio receiver for the HF band covers the frequency range 2 MHz to 30 MHz. The first IF frequency is 3.0 MHz and the local oscillator is above the received signal frequency.
Compare a lumped element model of a lossless transmission line (single L and C) with the distributed model. Use the following values for the transmission line in this comparative analysis.
Use a chain of flip-flop to implement a shifter register
The magnetic tape recorder uses linear analog to digital encoding. Telephone systems use non linear analog to digital conversion. Explain the difference.
Hand calculate the expression for the voltage and current of the capacitor and plot these equations by using MATLAB and calculate the time constants of each circuit and point out this time constants at your voltage graphs.
Compute the rectangular form of the four-point DFT of the following signal, which is zero for n =4. Compute the inverse DTFT of: X(ω)=sinΩ cosΩ
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