1
GATE ECE 1987
Subjective
+8
-0
The magnitude plot of the open loop transfer function G(s), of a certain system is given in fig,


(a) Determine G(s), if it is known that the system is of minimum phase type.


(b) Estimate the phase at each of the corner frequencies.
GATE ECE 1987 Control Systems - Frequency Response Analysis Question 4 English
2
GATE ECE 1987
Subjective
+8
-0
A system with derivative control is shown in figure. GATE ECE 1987 Control Systems - Compensators Question 1 English
(a)Determine the transfer function and the characteristic equation of the system.

(b)Given that K > 0, find the range of '$$\tau $$' for which the system is unconditionally stable.
3
GATE ECE 1987
MCQ (Single Correct Answer)
+1
-0.3
The subtraction of a binary number Y from another binary number X, done by adding the 2's complement of Y to X, result in a binary number without overflow. This implies that the result is:
A
negative and is in normal form
B
negative and is in 2's complement form
C
positive and is in normal form
D
positive and is in 2's complement form
4
GATE ECE 1987
Fill in the Blanks
+1
-0
Fill in the blanks of the statements below concerning the following Logic Families:
Standard TTL (74XX), Low power TTL(74LXX) Low power schottky TTL(74LSXX), schottky TTL(74 SXXX), Emitter coupled Logic (ECL), CMOS

(a) Among the TTL Families, ________ family requires considerably less power than the standard TTL (74XX) and also has com parable proparation delay.
(b) Only the _______ family can operate over a wide range of power supply voltages.

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