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Decoder
A decoder is logic circuit that energizes a particular output line for each combination of input signal.
Fig shown the block diagram logic diagram and function table to a 3 to 8 binary decoder 74LSI138. This particular decoder sends a low signal to one its output lines (Y0-Y7). For example if the input A, B, C, lines at logic 1, similarly if input combination in 110 ( equivalent to 6.) the out put line Y6 goes low.
Optimal Filtering A system identi?cation structure is shown in Figure 1. The discrete-time signal [ ] forms the input to an unknown system represented by a moving average
disadvantages of shunt&series clippers
Q. Name all the switching schemes used in a digital exchange. How call processing occur? Ans: The basic types of switching systems used are: 1. Stronger Switching System
Q. In the magnetic circuit shown in Figure the center leg has the same cross-sectional area as each of the outer legs. The coil has 400 turns. The permeability of iron may be a
Q. For the circuit shown in Figure, find the phasor values (with peak magnitudes) of ¯I, ¯V R , ¯V L , and ¯V C by using PSpice.
Holding current The holding current is the value of on state current required to maintain conduction once the device the device has fully timed on and the gate
Example Register to Memory Example : Write assembly language statement to copy 25H stored in register D to memory location 3052H. Solution : Assuming 3050H is s
Field effect transistor: Primarily difference between bit and jet is that bit transistor is a current controlled device while jet is a voltage controlled device. Is a direct
Indirect Addressing In this addressing mo e also ne of the operands is the stored in the memory. The memory address of the operand is specified by the register pair.
Q. Open-loop control system? An open-loop system is one in which the control action is independent of the output or desired result, whereas a closed-loop (feedback) system is o
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