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Design : Rather than 100 two-motion selectors as in the case of Design 3, let's consider only 24 two-motion selectors. In the case 24 simultaneous calls can be put through the switch. 24 two-motion selectors are shared by all the hundred users. Corresponding outlets of the two-motion selectors are commoned as in the previous case. It's implicitly assumed here that average peak-hour traffic is 24 simultaneous calls. Normally a 24-outlet Uni-selector is used as a selector hunter. Each of 24 outlets is connected to one two-motion selector. Hence a subscriber has access to all the 24 two-motion selectors in system. Corresponding outlets of all the selector hunters are commoned and hence all subscribers have access to all the two-motion selectors. This scheme is demonstrated in figure. Call establishment in this scheme takes place in 2 steps. Firstly, when subscriberlifts his receiver handset, his Uni-selector hunts through the contact positions and seizes a free two-motion selector. At the subsequent step, two-motion selector responds to dial pulses for appropriate connection. Design parameters of this system are:
Q. With suitable example differentiate between accuracy and precision. Sol. Accuracy : Accuracy is the closeness with which instrument reading approaches the true value of
Two projects using the principle of functional independence, increases system accuracy?
Normal 0 false false false EN-IN X-NONE X-NONE Life Interactive UPS Systems
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 p
RLC Rotate Accumulator Left Instruction This instruction also rotates the contents of the accumulator towards left by one bit. The D 0 bit moves to D 1 bit moves to D
How does a Mach-Zehnder Modulator work in Silicon?
Q. A magnetic circuit is found to have an ac hysteresis loss of 10 W when the peak current is Im = 2 A. Assuming the exponent of Bm to be 1.5, estimate Ph for Im = 0.5A and 8A.
Explain the Construction of Synchronous Machines? Basically all synchronous machines require a DC excited field winding in order to produce magnetic flux. For majority of machi
Q. For a transistor, when v GS = -2.0 V, find V DSsat if Vp= -4.0 V for an n-channel depletion mode MOSFET. Solution: V p = -(V DSsat + v SG ) but v SG = -v GS = -(-
Series circuit Total resistance, R T = R1 + R2 + R3 The current I is the same in all parts of the circuit , I = I 1 = I 2 = I 3 The voltage drop at each resistor, V1,
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