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An OpAMP has a unity gain frequency (ft) of 10MHz and a slew rate of 10V/us and AVoc = 120dB at DC (?=0).Assume VCC = -VEE = 15 Volts.
a. Approximate the cutoff frequency of the OPAMP itself.
b. If the opamp is configured as a non inverting amplifier with voltage gain of 100, what bandwidth will the circuit have?
c. With the same configuration (gain of 100), what is the maximum input for linear operation (limited by VCC)?
d. What is the maximum frequency that an input of 0.1V will allow without distortion, (limited by slew rate)?
Maximum Amount of Channels A Link Can Carry, A microwave radio link operates over a bandwidth of 400 MHz at C band. The link carries a number of channels of data using FDMA.
An AM broadcast receiver's pre-selector has a total effective Q of 90 to a received signal at 1180 kHz and uses an IF of 455 kHz. Calculate the image frequency and its dB of suppression.
What is the memory layout of the 16-bit value, 0x7654 in a big-endian 16-bit machine.
Each pole of a 100kW, 250v flet-compound generator has a shunt field of 2000 turns and a series field of 7 turns. If the total shunt field resistance is 100 ohms
With V=100V, the instantaneous power into a network N has a maximum value 1500 W and a minimum value ?247 W. (1) Find a possible series RL circuit equivalent to N. (2) Find S=P+jQ into N.
During an AP, the membrane potential typically moves from -70mV to +20mV and back again. In a cell with 10um radius and 1uF/cm^2, how many charges need to move across the membrane (and back again) to get this 90 mV voltage fluctuation?
What are the distinguishing features of the response in the pass-band? What are the distinguishing features of the response in the stop-band? What is an all pass filter?
compute the power loss in a transmission line with a resistance of 0.05 ohms/mile. Compute the power loss if 500kW of power is transmitted from a power generating station to cities at distances of 20,30,40....100 miles at 100v and 200v.
If each gold atom donates one electron to the gold matrix at room temperature, estimate the electron concentration of gold. Is gold a conductor?
A 240kW 500V 1750 r/min separately excited dc generator has an overall efiiciency of 94%. The shunt field resistance is 60 ohms and the rated current is 5A. The I^2 R loss in the armature is 0.023 pu.
How many turns are required for a circular loop of 100-mm radius to develop a peak emf of 10mV if the loop rotates 30r/s in the earth's magnetic field Take B = 60E-6T.
Determine the location of the peaks in the following sampled spectrum for the following sine waves: (a.) signal frequency = 300 Hz; sampling frequency = 1 kHz (b.) signal frequency = 600 Hz ; sampling frequency = 1 kHz
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