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What sample rate must be used to sample a signal with a maximum frequency of 4 kHz
The voltage and current at the terminals of the circuit element are zero for t
A wafer 100mm in diameter is mounted in an electron-beam evaporation system in which the spherical radius is 40cm. Use Eq. 6.7 to estimate the worst-case varation in film thickness between the center and edges
A double-balanced modulator is rated to accept signals up to+7dBm. What is the signal level expressed in: (a) watts, (b) volts rms Assume that all impedances are 50Ω and are matched.
Create a non-inverting op amp circuit to obtain Vout = 12 V if R2 (RF) = 1100k-ohm and Vin =1V . Open up the attributes window of the op amp (click on the op amp symbol) and verify that VPOS = +15V and VNEG = -15V. Do not change any other attribut..
Two identical CS amplifiers are connected is cascade. First stage is fed with a source Vsig having a resistance Rsig = 100k Ohm. A load resistance Rl = 10k Ohm is connected to the drain of the second stage.
Calculate the resistance of the series field. b. Calculate the motor speed which will result if the series resistance is increased from 5 O to 15 O.
The phasor voltage across a certain load is V = 1200√2
[Hint: As you should explain, this is equivalent to showing that the sum of two four-vectors, one of which is forward light-like and one forward time-like, is itself forward time-like.]
For a home toaster suggest a closed loop control scheme to control the amount of browning on the toast and obtain the mathematical model of the OPAMP circuit
Derive the formula for natural frequency fn in terms of system frequency fsduring a back-to-back switching of equally-sized capacitor banks.
Design a five-stage D/A converter that produces 1 A through the output 2R resistor when the input voltages (either 0 V or 1 V) correspond to the number 30 (decimal). That is, draw the circuit and indicate the values of all resistances.
A 25KVA single phase transformer has 220 turns on the primary and 80 turns on the secondary. The primary is connected to 1500V, 50Hz supply. Calculate primary and secondary currents on full load secondary EMF and maximum flux in the core
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