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How to Testing Electrical and Electronics Components and Devices with Multimeter ?
construct a block diagram and an ASMD chart for a digital systemthat counts the number of people in a room. The one doorthrough which people enter the room has a photocell that changers asignal x from 1 to 0 when the light interrupted.
consider a signal xt 10 cos2pifct 4 cos 2pifmt. assume frequency modulation. the message frequency fm 23 khz.
Design an opamp circuit to perfom the following mathmatical operations on three seperate ideal voltage sorces, V1, V2, and V3. V0 = 10V1 + 4V2 - 8V3
Design a 4-bit serial equality comparator. That is, if we have a3a2a1a0=b3b2b1b0, then eq=1. Note that a3a2a1a0 is stored at register 1, while b3b2b1b0 is stored at register 2.
a) Using 5 nF capacitors, design an active broadband first-order bandreject filter with a lower cutoff frequency of 1000 Hz, anupper cutoff frequency of 5000Hz, and a passband gain of 10 dB. Use the prototype filter circuits introduced in the desi..
a) What is the velocity of the particle b) If this velocity is known to within 0.2% accuracy, what is fx of the position that particle? Assume that the mass of the particle is 2 x 10-26 kg.
An angle-modulated signal with carrier frequency ωc=2πx106 is described by the equation φEM(t)=10cos(ωct + 0.1sin2000πt). a) Find the power of the modulated signal. b) Find the frequency deviation Δf. c) Find the phase deviation Δφ.
What is the minimum bandwidth needed to achieve a data rate of 8 bits/ second if the signal is transmitted using NRZ, MLT-3 and Manchesster encoding
In transformer designs, often you can find an air gap in the core. In all the electric machines, there is an air gap between the stator and rotor. In both cases, flux will go through both core material and the air gap.
a) Assume B1 = ax2 - ay10(mT), find B2 and the angle that B2 makes with the interface. b) Assume B2 = ax10 +ay2(mT), find B1 and the angle that B1 makes with the normal to the interface.
An AM signal is written as xc(t) = Ac (1+ µx(t))cos(2pi*fc*t) where fc is the carrier frequency, Ac is the carrier amplitude, µ is the modulation index, and x(t) is the baseband message signal. We assume that x(t) has absolute bandwidth W
Describe whether Google is exploitive, impoverished, supportive, or enlightened. Describe the features google that indicate which kind of organization it is. Describe five steps google could take to become better and move up in the scale.
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