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Explain RS232C Standard.
RS232C:
1. Standard described for asynchronous communications where there is given timing among data bits and no fixed timing among the characters which the bits form.
2. This standard described 25 signal lines and 50ft is the maximum guaranteed distance
3. This standard explains a ser system with only a single wire all direction.
4. Signal levels are: from -25 to -3 and from +3 to +25V.
Voltage Quadrupler : A voltage quadrupler circuit is shown in fig. which provides output voltage V0 = 4 Vm. Operation : Capacitor C 1 , C 2 and C 3 charges to Vm, 2Vm and 2Vm
Problem: (a) Compare the different MAC schemes, namely FDMA, SDMA, TDMA and CDMA. (b) Describe with help of diagrams the different phenomena involved in multipath propaga
a) Write down a short note on compensators. b) Classify filter with relevant sketches. c) Illustrate the principle and working of Analog to Digital converter.
how is working transfmer?
Single Phase Full Wave Controlled rectifier The single phase half wave controlled rectifier produce only one pulse of load current during one cycle of supply voltage
how back emf is produced in transformer?
Q. Illustrate the principles of operation of centralized SPC and distributed SPC and compare their performance. Ans: In centralized control, all control equipment is replac
BLOCK DIAGRAM OF DIGITAL CONTROL OF ELECTRIC DRIVES
Singular Value Decomposition (i) initialize a 2x2 matrix m=[4 0.5;0.5 7] Factorize the matrix with SVD [u d v]=svd(m) How the matrix u and v differ? Why is that?
Lead Acid Accumulators : These are the most common storage batteries which can deliver a heavy current when short-circuited. There are also many other hazards with these accumulat
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