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Question: 1. In terms of a z-plane plot of the poles and zeros, what are the conditions required for an IIR filter to be stable?
2. Can an IIR filter exhibit truly linear phase? Why or why not?
A safe estimate of the frequency resolution of a spectral estimate is the main-lobe width of the window used. Which of the windows in Table 7.2 will satisfy the criteria given for frequency resolution?
Sketch the spectrum of this signal indicating the complex size of each frequency component. You do not have to make separate plots for real/imaginary parts or magnitude/phase. Just indicate the complex phasor value at the appropriate frequency.
1. explain the basic features of electricity at a fundamental level?2.what part of a cable are insulators and
Find the output samples for mT = -2T; -T; 0; T; and 2T.
The three sources in the circuit of Figure P7.44 are connected in wye configuration and the loads in a delta configuration. Determine the current through each impedance.
Looking at feedback and some Opamp problems, If the unity gain frequency is 5 MHz and the midband open-loop voltage gain is 200,000, what is the cutoff frequency?
A double-A (AA) rechargeable battery is rated at 1.2V, 2100mAh (mili-amp hours) 1- how many coulombs of charge can this battery hold 2- how many joules of energy are stored in the battery
Let X(e^jw) denote the DTFT of a real sequence x[n]. Define Y(e^jw)=1/2{X(e^jw/2)+X(-e^jw/2)} Determine the inverse DTFT y[n] of Y(e^jw).
Design a decade counter using the excess 3 code for decimal digits. Use NAND gates and the indicated flip flop types for a D flipflop.
An array antenna is made of six iden tical elements, each a half-wavelength dipole, and is fed with identical currents, all in phase. Spacing of the elements is one-half wavelength. Assume the antennas are placed on the x axis, and are parallel t..
A buck converter is supplied by a DC source of 48V. It produces an output voltage of 18V across a 10? load resistor. Assume that the capacitor is large enough so that the output voltage is kept constant. Determine the duty cycle D.
A sample of vinegar is 4.8% acetic acid, HC2H3O2, by weight, andhas a density of 1.00g/mL. Calculate (a) the grams of acetic acidin 1 liter of vinegar (b) the molarity of acetic acid invinegar.
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