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By-Hand Design of a Mealy Machine
(a) Draw a Mealy-type state transition diagram for the parity detector of figure 5.5.
(b) Design a circuit that implements this machine, with sequential encoding.
Add Z1 = 3ej30 degree and Z2 = 4e -j60 degree together. Write your result in both rectangular and polar form. In polar form, indicate whether your angle is in radians or degree s. Multiply Z1 = -2 + j3 and Z2 = 4 + j2 together.
Upon being struck by 240 nm photons, a material ejects electrons with a maximum kinetic energy of 1.67 eV. a) What is the work function of this material b) What is the largest wavelength of a photon that will eject electrons of this material
Sketch a time diagram similar to Figure 3.22 illustrating what happens when a frame gets lost between the sender and the receiver. It should be clear from your diagram how the protocol handles this situation.
A pacemaker is programmed to deliver pulses a certain times every minute for a patient with heart block. A 0.5µF capacitor controls the pulse discharges through a 2M resistor. One pulse is delivered every time the fully charged capacitor loses 50%
A 200 hp, 230 V, 500 rpm separately excited dc motor is controlled by a chopper. The chopper is connected to a bridge-diode rectifier supplied from a 230 V, 3 phase, 60 Hz ac main. The motor chopper details are as follows:
What is the shape of the spectrum of the signal? What is the extent of the spectrum in the frequency domain? What is the unit that is applied to the magnitude of the spectrum?
Determine the power levels in dBm and in dBW.
An LED is connected to a 74LS244 in an active-LOW configuration. The key parameters for the 74Ls244 are IOH=-15 mA, IOL=20 mA, VOH =2.0V and Vol=0.5V. The LED has a voltage drop of 2.0V and an operating current of 15 mA.
a 220v shunt motor driving its normal load draws an armature current of 50A. The armature resistance is 0.25ohm. determine the armature current it will draw when connected to 200V source while maintaining the armature speed and the flux per pole.
Your circuit has an input, controlled by a switch, that specifies which of the two names are displayed. For example, 0 displays JOsias and 1 displays KAbimb in Braille. A separate LED will be used to indicate the end of the sequence.
A bandpass filter with a center frequency of 6kHz, a 3dB banwidth of 1 kHz, and a 50 dB bandwidth of 2kHz is connected to a signal generator that outputs a one volt square wave at a frequency of 2kHz. A spectrum analyzer is connected to the filter..
Draw the Laplace form of the input portion of the circuit - Derive an expression for the Laplace transfer function
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