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Digital Communication TechniquesA D/A converter has a 12-bit binary input. The output analog voltage range is 0 to 5 V. How many discrete output voltage increments are there and what is the smallest voltage increment?
Calculate the FLAT BAND POTENTIAL and the THRESHOLD VOLTAGE for a real n+ polysilicon / p- silicon MOS diode having Na= 1017 cm^-3 and oxide thickness d = 5 nm. Assume that the oxide has only fixed oxide charges (Qf)
A series type Ohmmeter uses a 50 ohm, 1mA PMMC the internal battery voltage is 3V the desired scale marking for half scale deflection is 2000 ohm. Calculate:- - Value of R1 & R2
How can you design a high gain (at least 20dB) operational amplifier with only pmos transistors In most designs, they include both nmos and pmos transistors. Is it possible to substitute the pmos for the nmos
Zener Diode and Series Resistance, In the zener diode circuit calculate the value of the current through the zener diode if the power supply is rated 24 volts at 500 milli amperes
Consider the current it takes to power a +5V 74xx245(Icc). What is the qualitative difference between the CMOS devices and the non-CMOS devices and the non-CMOS devices What is the explanation for the difference
Three 5 ohm resistors are connected in wye across a 3-phase,480V line. Calculate the current flowing in each. If one of the resistors is disconnected, calculate the current that flows in the remaining two.
A 10kO potentiometer sensor is used to measure displacement and is connected to a voltage source of 5V. The full range of the displacement is 10mm. When the potentiometer is at 4mm of its maximum displacement.
An EKG signal is contaminated by 60-Hz noise. Design a bandstop filter to remove this noise while limiting distortion of the EKG signal. Sketch the magnitude and phase response.
Consider a classical model of a hydrogen atom, with nucleus of charge -e orbited by an electron of charge +e, where e = -1.6×10-19 C. If these may be modeled as point charges separated by 0.053 nm, determine the electrostatic force acting on the e..
The signal m(t)=6sin(2*pi*t) volts is transmitted using 4-bit binary PCM system. The quantizer is of the midriser type, with a step size of 1v
A wattmeter connected into the line gives a reading of 2765W. If a capacitor have a reactance of 30ohms is connected in parallel with the motor. Calculate the total reactive power absorbed by the capacitor and motor.
A cable TV receiver has an input impedance of 200 ohm The cable TV distribution system uses RG-6 cable. This cable has a characteristic impedance of 75 ohm Design an impedance matching stage to maximize the power transfer
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