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The equation y[n] - p y[n-1] = x[n] can be used to describe the value y[n] of a new investment by setting p = 1 + r/100 where r is the interest rate per period, expressed in percent.
Find the transfer function of this system and determine whether itcan be both stable and causal.
The input signal to a filter contains components that range in frequency from 100 Hz to 50 kHz. We wish to reduce the amplitude of the 50-kHz component by a fctor of 200 by passing the signal through a first-order lowpass filter.
Looking at this pattern from left (MSB) to right (LSB), when you see a ‘1' the pulse should be 'ON' for 0.5 seconds. If you see a ‘0', the pulse should be ‘ON' for 1.5 seconds. In either case, the ‘OFF' time should be 2.0 seconds after each ‘ON' t..
The sampling frequency in a DSP system is fs=8 kHz. Anti-aliasing filter used in the system is the second-order Butterworth filter with cutoff frequency of fc=3.4 kHz. What is the percentage of aliasing level at the frequency f=2.5 kHz
A CS amplifier utilizes a MOSFET with unCox=400uA/V^2, W/L = 10 and Va = 10V. It is biased at Id = 0.2 mA and uses Rd = 6k Ohm. Find Rin, Avo and Ro. Also, if a load resistance of 10k Ohm is connected to the output
Instrumentation amplifiers are indeed constructed with either 2 Op Amps or 3 Op Amps. Does that mean that the 3 Op Amp is more common
A CS amplifier using an NMOS with gm = 3.8 mA/V is found to have an overall voltage gain of -16 V/V. What value should a resistance RS inserted in the source lead have to reduce the overall voltage gain to -8 V/V
The transformer input is a three wire three phase 120V (line-to-line) system. the transformer output supplies a "Y" connected three phase load with a phase impedance of 600 + j300 ohms. A. sketch the diagram of the system described above.
An incident wave of light travels through glass (n = 1.4) to water (n = 1.33) at an angle of 350. a. What is the angle of reflection and refraction b. What is the critical angle for this system
A uniform spherical shell of mass M = 15.0 kg and radius R = 0.370 m can rotate about a vertical axis on frictionless bearings. A massless cord passes around the equator of the shell, over a pulley of rotational inertia I = 0.170 kg·m2 and radius ..
a certain radio frequency generator delivers a power level of 12 dBm. If this signal is amplified, calculate how many decibels of gain is required to produce a power of 20 dBm.
A telephone line has the following parameters: R = 40 W/m, G = 400 mS/m, L = 0.2 mH/m, C = 0.5 nF/m. (a) If the line operates at 10 MHz, calculate the characteristic impedance Zo and velocity u,
The fluid travels through a conduit of negligible resistance; an accumulator is included to smooth out the pulsations of the pump. A hydraulic load (modeled by a fluid resistance R) is connected between a pipe and a reservoir (assumed at zero pres..
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