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Digital Clock Generator Timing digital circuits is vital to the operation of any digital device. Using an ideal OP AMP (running open-loop, i.e., without feedback) and appropriate resistors, design a way to convert a sinusoid into a square wave that varies from -15 to 15 V with a period of 1 ms.
The only non-sinusoidal supply available is VCC = ±15 V.
Assume that the$% are signed 8-bit and stored in consecutive locations starting at$504020. Assume that A0 points to the s. Also, write the main program in 68000assembly language to perform all initializations (A0 to $504020, A7 to $406020)
Suppose an object with initial acceleration of 10 ft/s^2 is dropped from 300 ft. above the earth, how far would it travel in the first 2 seconds of its journey. Assume initial velocity is zero.
What are the advantages of fractional slot winding over integral slot winding?
Because the charges on the plates of a parrallel-plate capacitor are of opposite sign, they attract each other. Hence, it would take positive work to increase the plate separation. What happens to the external work done in this process?
An npn BJT has an emitter area of 2micrometer^2. The doping concentration in the base is Nb=3x10^16/cm^3. The BJT is operating with Vt=26mV and ni=1.5x10^10/cm^3. For electrons diffusing thru the base Dn=34cm^2/s.
In CF3Cl the C-Cl bond-dissociation energy is 339 kJ/mol. In CCl4 the C-Cl bond-dissociation energy is 293 kJ/mo . What is the range of wavelengths of photons that can cause C-Cl bond rupture in one molecule but not in the other?
An embedded SRAM contains 2048 8-bit words. If it is physically arranged in a square fashion, how many inputs does each column multiplexer require?
We have an inductance L with an initial current of zero and the voltage across the inductance is given by v(t) = Vm cos( ωt). Suppose that ω is very large ideally, approaching infinity. For this voltage, does the inductance approximate either an ..
They want to know what types of sports-related marketing tactics are available to them. Without mentioning any specific sports or athletes, provide a list of the categories of sports marketing tactics that they could choose.
The source-free circuit depicted in Fig. 9.1 is constructed using a 10mH inductor, a 1mF cPcitor, and a 1.5k ohm resistor. a) Calculate alpha, omega-sub-delta, and omega-sub-zero. b) write the equation which describes the current i for t>0.
Vehicles arriving at an intersection can turn right or left or can continue straight ahead. In a study of traffic patterns at this intersection over a long period of time, engineers have noted that 40% of the vehicles turn left, 25% turn right, an..
Show how, in an embedded system using a Gumnut core, the keypad controller of Example 8.3 and two instances of the ADC controller of Example 8.4, the components are interconnected using distributed multiplexers.
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