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An op amp having a single pole roll-off at 100 Hz and a low frequency gain of 105 is operated in a feedback loop with ß= .01. what is the factor by which feedback shifts the pole? to what frequency? If ß is changed to a value that results in a closed- loop gain of +1, to what frequency does the pole shift?
determine whether a three-bit number, a3, a2, a1, is equal to another number, b3, b2, b1, or if it is greater than that number. (We do not need an output for less than.) a. Show how the 7485 would be connected to accomplish
The photoelectric threshold wavelength for Tungsten is 2300 Å. Find the energy in eV of the emitted electrons from the surface by ultraviolet light of wavelength 1800 Å.
Water is flowing through a 0.1 m diameter pipe at a velocity of 2.5 m/s. what diameter pipe will it need to transition into to decelerate to 0.5 m/s
Consider a thermal sensor that a time constant τ = 20 msec such that a step change in temp. requires approx. 3*τ to reach 95 % of the final value. a- write an expression for the frequency response of the sensor
Derive the state diagram for an FSM that has an input w and an output z. The machine has to generate z = 1 when the previous four values of w were 1001 or 1111; otherwise, z = 0. Overlapping input patterns are allowed.
Suppose it is known that an analog signal varies between -3V and + 3V, but we require the range of this signal to be changed so that it varies from 0 to 5V in order to meet the input range of an analog/digital converter circuit.
What is the maximum output resistance that the source follower must have if the output voltage is to remain within + or - 20% of nominal value. If the MOSFET has kn = 16 mA/V^2, at what current ID must it be biased.
Design the circuit to establish a dc emitter current of 1mA and provide the highest possible voltage gain while allowing for a maximum signal swing at the collector of +-2V. Use +10V and -5V power supplies.
Develop the pseudo-code below for a program that will retrieve 2 bytes (NUM1 and NUM2) from memory, determine which is closest to the numeric value 50, and indicate the result by setting a variable named "CLOSEST" to 1
For the circuit of Figure the following parameters are given with Vcc = 18 volts DC: Rs = 0 ohm r pi = 1000 ohm Rb = 1750 ohms C1 = 10 microfarads gm = 50mS RL = 100 ohms Ce = 0.1 microfarads Re = 135 ohms C2 may be considered very large
2. Design an amplifier with a gain of 2 using Multisim. 3. What is the phase shift between the input and output signals of an inverting op amp 4. What is the phase shift between the input and output signals of a non- inverting op amp
A 200hz(mode 1), 50% duty cycle square wave is to be generated at Timer0 interrupt. a) write a main program that would set Timer0 and the interrupt,and then force the first interrupt.
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