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Q. What are transmission bridges? How do they assist in satisfying the connectivity?
Ans: A typical transmission bridge is demonstrated in figure. Series capacitance and shunt inductances of the two relays provide a high-pass filter to transmit the AC speech signals whereas relays respond independently to the DC loop/disconnect signals from calling and called customer.
Q. Write a control word for counter 1 of 8253 / 8254 that selects following options: load least significant byte only, mode 5 of operation and binary counting. Then write an inst
Question 1 (a) Describe the functions of the modulator and source encoder in a digital communications system. (b) By using appropriate examples, distinguish between th
A relay is essentially an electromechanical switch that opens and closes electrical contacts. A simplified relay is represented in Figure. It is required to keep the fenomagnetic p
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Q. Define Resistance Strain Gauge? Mechanical and civil engineers routinely employ the dependence of resistance on the physical dimensions of a conductor to measure strain. A s
Define Multiple Inputs - Control System When there is much more than one input to a system, the superposition principle can be employed. This is that: The response to variou
which type of ic package is more advantageous,suitable and versatile
Q. Basic elements of a digital communication system? Figure illustrates the basic elements of a digital communication system. For each function in the transmitting station, th
can i use steplaizer with capisetor step up valtage
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