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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. What value of current limiting resistor is required?
What are some of the possible biases and points of error that may arise in team communication systems and what are the advantages and disadvantages of a transactive memory system (TMS) in a team
The bellows, diaphragm, and Bourdon tube pressure sensors all exhibit second order time response. This means that a sudden change in pressure will cause an oscillation in the displacement and, therefore in the sensor output.
A microscope has a 2.70-cm focal length eyepiece and a 0.630-cm objective lens. For a relaxed normal eye (assume a viewing distance of 25.0 cm), calculate the position of the object if the distance between the lenses is 13.5 cm
Construct the RC differentiator. Set the channel 1 input coupling switch to dc. Next adjust the dc offset, amplitude, and frequency controls of the function generator to produce the input waveform.
A barometric pressure transducer is measuring pressure between 800 and 1100 mbars. If the transducer output is scaled to 0-5V and input to the HCS12 ATD confugured in 8-bit mode, what is the pressure measured when the ATD output = 0x5A
Construct the adder for 2 digit decimal numbers presented in BCD code. 4 bit binary adders and additional logical gates. The BCD adder for each decimal digit can be implemented with two 4 bit binary adders where the second adder.
Design a common collector circuit using a npn silicon transistor having Beta=90 with Vcc=20 V The desired Q-point is Vce=14V and Ie=2mA
Convert the following to hexadecimal 1600 sub script 10 2. compute the sum of the following pairs of signed 6-bits binary numbers. In parallel, show the operands and the answer in decimal. Indicate if or if not an overflow occurs.
Find the range of values of "k" for which the system has two real, distinct, and stable poles. c) Find the value of k such that the system has a percent overshoot between 5% and 10%. d) Find the system sensitivity to k. e) Find the system type as ..
A hemispherical surface defined by a radius r = 5 [m] and z>0 has a surface charge density of RHOs = 2(sin theta)(cos^2 phi) [C/m^2]. Find the total charge on the surface.
Writing the mathematical equations of a DC motor develop the complete model to derive the open loop transfer function between the operating speed and applied voltage.
how does the D'Arsonval movement work with voltmeter and ammeter i know how to design the cicuits but a little more of how the movement actually work in both cases. like for the ammeter the reason the resistor is place in parallel is to limit the ..
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