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A designer, needing to provide a unity-gain buffer, considers the use of the circuit topology shown in Fig. 2.19 on page 84 of the Text. However, the amplifier he has available has an open-loop gain of only 10. What closed-loop gain would the simple circuit produce? His boss suggests that he consider the circuit of Fig 2.16 on page 82 as a solution. As well, she requests that the smallest resistor used be 10 Id). What design would result?
Draw the block diagram for the decimator.
Find the number of turns N1 required to establish a flux = 12 x 10-4 Wb in the magnetic circuit of given figure.- Find the permeability m of the material.
resistor: a volt-ohmmeter with an internal impedance of 1000 Ω/V and an EVM with an impedance of 11 MΩ. Calculate the voltage indicated by each of these devices.
Convert the image to gray scale.
Knowing that the clamp shown has been tightened until P 5 400 N
Calculate the armature current, total losses in the machine, and the I^2R losses in the armature. Help would be greatly appreciated as my calculations for Armature Current Ia is in my mind way too high, 480A. Then calculate the losses in the armat..
An analog voice signal that can vary over the range 0.50 mA is digitized by sampling it at 8 kHz. The first four sample values are 10, 21, 36, and 16 mA. Write the corresponding digital signal (a string of 1 and 0 bits) by using a 4-bit representa..
A time varying capacitor is characterized by the charge- voltage equation q(t) = C(t)v(t)
prove that: 1. x[n]=x[n]*delta[n] 2.x[n-n0]=x[n]*delta{n-n0]
The converter canreceive signals from 0 V to 5.0V. Design the electronic processorthat must be connected between the sensor´s output and thecomputer´s converter A/D input; so that maximum sensibility is obtained. Justify each single proposal you m..
While the torque is unchanged, the voltage is changed to reduce the speed of the motor to 520 rpm. Compute the new voltage.
a) Find the sample mean. b)If the calculator produces three digit random numbers that are uniformly distributed between 0.000 and 0.999, find the variance of the sample mean.
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