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A particular op-amp, characterized by a gain-bandwidth product of 20MHz, is operated with a closed loop gain of 100. What is the 3-db bandwidth? At what frequency the closed loop amplifier exhibits a phase shift of -84°?
When the starter motor, which draws 90A, is running the terminal voltage drops to 11V. What is the internal resistance of the battery What percentage of the chemical power is delivered to the starter motor
Interface TTL logic to 120 VAC lamp. In this part of the lab, you will interface lowpower solid state electronics to the "outside world" by switching the 120 VAC lamp on and off using the AND gate from the previous experiment.
A digital system has a clock generator that produces pulses at a frequency of 8 MHz. What is the frequency of QB
The total charge that has accumulated on the positive plate of a capacitor varies with time. The charge follows q=At^2 for the first 4s. a) Find the value of current at t=2,6,9,12,16 s. b) Sketch the current i(t) as a function of time
An n-bit Gray code is a way to encode numbers 0, 1, ..., 2n-1 in binary such that any two consecutive numbers (including 0 and 2n-1) differ in exactly one bit. For example, {00, 01, 11, 10} is a 2-bit Gray code, and {00, 10, 11, 01} is the only ot..
A laser (wavelength fo = 633 nm) is generating a Gaussian beam with 0.1 mm beam waist (2wo). (1) Find the beam's divergence angle and depth of focus (2) What will be its diameter when it reaches Moon
Determine the series resistance needed to convert a galvanometer to a voltmeter reading 15 V on full scale deflection if a current of 2.5mA causes full scale deflection and the resistance of the coil is 10.
What is the phase angle of a series/parallel RC circuit with an AC voltage source of 3 Vrms that has a series R1 resistor (100 ohms) and an R2 resistor (10 kohms) in parallel with a 0.1 microfarad capacitor
Write an assembly language program to compare two 1 byte numbers and find the greater number in a memory location.
A point charge Q1 lies at the center of a spherical conducting shell of inner radius a and outer raduis b. find the charge density on the two surfaces of the conduting shell if it has a net chargeQ2
The frequencies of the tones are 100 Hz, 300 Hz, and 450 Hz. The sampling rate is 1 kHz. Describe a low pass, a band pass, and a high pass filter that could be used to detect the individual tones.
When we discussed the work of Galvani and Volta, we noted that Galvani's work was not fully appreciated until the development of instruments capable of detecting and amplifying the small biopotentials present in living organisms.
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