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Design a digital time clock that displays hours, minutes, seconds,and tenths of seconds. The clock should use the 12 hour format anda PM/AM indicator. Use BCD coding for each digit of the clock. Finally, assume that common cathode LED displays and 5V TTL gatesare used in your clock. Your design should use the minimum amount of hardware and a periodic 60hz clock signal.
A 2722-kg weight is being pushed up an inclined surface at constant speed by a cylinder. The coefficient of friction between the weight and inclined surface equals 0.15. for a pressure of 6.9 MPa, determine the required cylinder diameter.
Design a parallel resonant circuit so that a variable capacitor can adjust the resonant frequency over the AM broadcast band, 535 to 1605 kHz, with Q
Calculate the composition of HgxCd1-xTe which can be used for a night vision detector with bandgap corresponding to a photon energy of 0.1 eV. Bandgap of CdTe is 1.6 eV and that of HgTe is -0.3 eV at low temperatures around 4 K.
you are an electrician on the job. you have been given a multimeter that has the following AC voltage ranges: 30,60,and 150. the meter states that it has a resistance of 5000ohm/v. you need to be able to measure a voltage of 277 volts.
Consider an object that has homogeneously textured surface with maximum spatial frequency of (fx,fy)=(3,4) cycle/ meter and that is moving at a constant speed of (Vx,Vy)=(1,1) meter/second.
The charge entering the positive terminal of an element is q(t) =-30e-4t mC. If the voltage across the element is120e-2t V, determine the energy delivered to the elementin the time interval 0
The voltage ratings are 4800v rms and 240v rms for the primary and secondary windings, respectively. The transformer is rated to 10KVA. Now we want to use this transformer at 120Hz. Discuss the factors that must be considered in setting ratings ap..
Notice that the circuit does not reset to the start state when an output of Z = 1 occurs. However, your circuit should have a start state and should be provided with a method for manually resetting the flip-flops to the start state.
s(s^2-10+k(15s^2+2s+1)=0 Is the characteristic equation for a system in which K is a variable proportionnality factor. The system is known to be stable whrn K takes on certan values. for what range of K is the system stable
a magnetic circuit has a mean length of 0.80 m, a cross-sectional area of 0.06 m^2, and a relative permeability of 2167. connecting its 340-turn 64-ohm magnetizing coil to a DC circuit causes a 56-V drop across the coil. determine the flux density..
An open-circuited 50ohm microstrip transmission line is used in a microwave amplifier circuit to provide a capacitance of 3.2 pF at 2.3 GHz. (a) Find the appropriate electrical length of the line.
The command in AutoCAD can be a time-saver, particularly when you're working in an application where you want to move a door or windows within walls on a drawing and don't want to redraw the walls.
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