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Sketch a periodic square wave like that appearing in given figure with a frequency of 20,000 Hz and a peak value of 10 mV.
Air enters an adiabatic nozzle steadily at 300 kPa, 20076;C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm2. Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air
A 85F capacitor is charged by a constant current source, and its voltage is increased to 6 V in 7 s. Find the value of the constant current source, Is, and the energy stored in the capacitor after 7 s.
Designa three-bit up/down counter using D flip-flops. It should include acontrol input called Up/Down. If Up*/Down = 0, then the circuit should behave as an up counter. If Up*/Down = 1, then the circuit should behave as a down counter.
Derive an expression for the optimum value of the avalanche gain opt M for which the signalto-noise ratio (SNR) becomes optimum by using the following expression for the excess noise factor: Fa( M)=KM+ (1-K ) (2-1/M). Assume that M^3 >> M .
a second instrument is required to measure the input signals up to 100Mz with an amplitude inaccuracy of less than 1% calculate the natural frequency requirements, if the damping retios are 0.3 and 0.6 respectively.
What is the characteristic impedance of a coaxial cable that has an inner conductor diameter 0.108 in, an outer conductor diameter of 0.350 in, and a relative dielectric constant of 2?
A particular inverting amplifier with nominal gain of -100 V/V uses an imperfect op amp in conjunction with 100-k ohm and 10-M ohm resistors. The output voltage is found to be +9.31 V when measured with the input open and +9.09 V with the input gro..
An absolute optical rotary encoder has five tracks. How many bits is the output, and what is the resolution in degrees per state (that is, degrees per LSB)
a. Sketch the spectrum of the sampled signal up to 20 KHz. b. Sketch the recovered analog signal if an ideal (brick wall) low pass filter with a cutoff frequency of 4 KHz is used to filter the sampled signal in order to recover the orig..
A summary of the information and story told to you by both individuals Any issues that arose in both interviews. Explain how those issues affected the quality of the information you received. Factors that must be considered when interviewing victims ..
1. prove using theorems of boolean algebra that bc ba ac abc a. 2. given the following function in sum-of-product
Why is it that fuses and breakers do not prevent transformer and cable overloads? What function do fuses and breakers perform?
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