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You are the new chief PCB designer for a small company who are about to become heavily involved in the design and realisation of digital timing products. Your management wants to prove the path from design entry to final design data production. Consequently, your first task within the company is to take a design from concept through to completion. Given the nature of the company business, it has been decided the test design will be a digital clock, the block diagram of which is illustrated below. An additional requirement is miniaturisation and the board size should be as small as is practically possible.
Each of the elements can be realised from 7400-series TTL in SMD packages. The circuit below shows the internal components and connections for the divide-by-60 block above. The counters are 74160 and the 7-segment BCD is a 7447. Any additional information is readily available in data books and the internet.
Q. Frequency-controlled induction-motor drives ? The converters employed for variable-frequency drives can be classified as: • Voltage-source inverter (which is the only one
Explain the Power Transmission Lines Transmission and distribution of electric power is accomplished by using overhead lines or underground cables. Overhead lines are normally
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assume that the top of the stack in the program is pointed by the register sp.
The frequency of an oscillator may be measured by an oscilloscope with a callbrated time base(True/False)
Illustrate the construction and working of:- (i) Pressure Thermometer (ii) Selective Radiation Pyrometer (iii) Thermistor (iv) Laws of Thermocouple
Q. Explain Common emitter configuration? Common emitter configuration: In this circuit the emitter is common to both input and the output.Such a configuration is also known as
Research and recommend a sensor for a real full size conveyor system of approximately 1000mm width to detect objects of varying size passing along it. Discuss the suitability of th
explian briefly with in diagram and numerical examples
Evaluate the form factor: For the saw tooth wave illustrated in Figure, find out the form factor. Figure: Saw Tooth Wave Solution Time period of given wave i
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