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In second technique, a concentrator expander (CE) is used near cluster of users and another one at exchange end as demonstrated in figure. Only a few junction lines are run between CEsthat have switching capability. Normally, a ratio of 1:10 between the junction lines and subscriber lines is used. CE at the exchange end remotely powers and controls the CE at subscriber end.
Design and draw a circuit using the cascade system to operate two cylinders (A and B) which, on the operation of a start valve, produces the sequence A – B + B – A+. The cylinders
Illustrate Common Emitter configuration, current amplification factor and collector amplifier. Describe transistor as an amplifier.
Consider the filter h[n,m] describing the input-output relationship below: g[n,m]=f[n-1,m]+ f[n,m-1]+ f[n+1,m]+ f[n,m+1] a) What is the impulse response of this filter? b
Find a minimum two level, multiple-output AND-OR gate circuit to realize these functions (eight gates minimum). F 1 (a,b,c,d) =Σm(10,11,12,15) +D (4,8,14) F 2 (a,b,c,d) =Σm(4
what are the advantages and disadvantages of Thevenin theorm over Norton theorem
Q. The line-to-line voltage of a balanced wye connected three-phase source is given as 100 V. Choose V AB as the reference. (a) For the phase sequence A-B-C, sketch the phasor
Future scope on MATLAB in India
Q. Describe the operation of 8279. And also explain following terms: (i) N key Roll over. (ii) Key board debounce. (iii) FIFO RAM. Ans: 8279 is a programmabl
Q. Process of Amplitude Modulation? In AM the message signal is impressed on the amplitude of the carrier signal. There are several different ways of amplitude modulating the c
Q. Based on the 8421 BCD code for decimal digits 0 through 9, develop a block diagram for a BCD encoder and its implementation scheme.
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