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Using their architecture,distinguish between counter type and successive approximation analogue to digital converter.
A sinusoidal signal x(t)=cos(100πt) is sampled at 80Hz and then reconstructed using a perfect lowpass filter with bandwidth 40 Hz. what is the equation of reconstructed signal and its frequency.
1. A MOD 8 down-counter is holding the count 101 (base-2). What will the cound be after seven clock pulses 2. A MOD 5 and a MOD 20 counter are cascaded. What is the output frequency if the input frequency is 60MHz
The transformer secondary is now connected to a purely resistive load drawing 50A. Calculate: a) the total resistance and leakage reactance values referred to the secondary (Rt2 and Xt2), b) the output voltage, c) the output power, VA and Vars,
A complex electric field vector is given by E¯(¯r) =A/k * (ˆxk(z) - zˆk(x))e^-j(k(x)x+k(z)z) , where A is a complex number and k = µ is the real magnitude of the wave vector ¯k. a. What is the wave vector ¯k? b. What is the magnetic field
A chopper is used to control the power flow from a dc source voltage of 125-V to a battery whose voltage is 240-V. The power transferred is 60 kW. Determine the duty cycle and the average input current.
The addition of a 20-kvar capacitor bank improved the power factor of a certain load to 0.90 lagging. Determine the complex power before the addition of the capacitors, if the final apparent power is 185 kVA.
You are required to determine that this next generation transmission system will require a spectral efficiency of 5 bits/sec per Hertz.
The switch in the circuit has been in position 'a' for a long time. At t=0, the switch moves instantaneously to position 'b'. (a) Find io(t) for t>=0. (b). Find Vo(t) for t>=0.
A silicon step junction diode with NA acceptor atoms on the p side and ND donor atoms on the n side is fabricated. The diode is not ideal. What is the dominant current mechanism for forward applied voltages close to zero
Design a multiplexer which has four input lines, two controllines, and one output line and a demultiplexer which has one input line, two control lines, and four output lines using truth tables and k-maps.
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..
Express the diode current equation. A) Define all the diode parameters and draw the I-V characteristics. (Assume non-ideal diode) B) If IF=10 mA, Is=10-15A, VT=25mV, Calculate the voltage drop across the diode.
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