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Desired D.C. Output : 10 VLoad Variation: 0.3 kilo-ohms - 10 kilo-ohmsRipple Factor: Less than 0.1% for 2 kilo-ohms loadLoad Regulation: Better than 3 mV for a 1 mA change in load currentLine Regulation: Better than 3 mV for a 1V change in line voltage
Design Restrictions:Capacitor values should not exceed 50 micro Farads. If a bigger capacitor is needed, use an Op amp based capacitor simulator.
Output Stage:First at the output stage use a Zener shunt regulator and then replace the Zener shunt regulator with an appropriate IC voltage regulator.
The messages being sent are 2 milliseconds long. Computer A starts sending a message on the bus; 250 microseconds later, Computer B starts to send a message, and 250 microseconds after that, Computer C starts to send a message.
A microcontroller manufacturer, Agduino, offers a single product which is produced at two different plants. The first plant located in college station produces 2/3 of the microcontrollers. The remaining microcontrollers come from Austin.
Write a C program for a HCS12 microcontroller that writes the value, 0x78, to Memory Location VAR1 and then calls a delay function. The delay function should generate a delay of 0.25 milliseconds.
An 80KHz sinusoidal voltage has zero phase angle and a maximum amplitude of 20 mV. When this voltage is applied across the terminals of a capacitor, the resulting steady state current has a maximum amplitude of 0.7 mA.
A shunt regulator utilizing a zener diode with an incremental resistance of 5ohm is fed through an 82ohm resistor. If the raw supply changes by 1.0V, what is the corresponding change in the regulated output voltage
What is the frequency of the rotor currents? What is the angular velocity of the stator field with respect to the stator? With respect to the rotor?
Design a simple BJT amplifier circuit for receiving the over-the-air HDTV signals. The circuit should have a voltage gain of 10-100, assuming your signal source (antenna) is connected to amp through a cable with an impedance of 75
What is the symbol rate of the earth station transmissions? What is the bit rate of the earth station transmissions? What is the duration of the burst transmission from each earth station?
A 150 MHz uniform plane wave in normally incident from air onto a material whose intrinsic impedance is unknown. Measurements yield a standing wave ratio of 3 and the appearance of an electric field maximum at 0.3 wavelengths
the ends of a length of wire are labeleda and b. If the current in the wire is iab = -3A, are electrons moving toward a or b? How much charge passes through a cross section of the wire in 3 seconds?
a) Plot the spectrums for the range from 0 Hz to 25000 Hz. Make sure to label the frequncies. b) sketch the recoverd analog signal spectrum if an ideal lowpass filter with a cutoff frequncey of 4.5 kHzis used to filter the sampled signal.
A common energy consumption for a family is about 1000 kW hr / month. How much power would that be on the average. (Hint: Notice that hour and month are both units of time so kW hr per month is really a power unit.
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