Ques. 11. Input x(t) applied to an inverting op-amp follower circuit produces output y(t) according to -Vref Vref x(1) > Vref x(1) < -Vref y(1+tp) = -x(t) otherwise where op-amp reference voltage Vref and propagation delay tp are both positive constants. Answer the following questions with YES or NO and provide mathematical justification for each answer. (a) Is this system BIBO stable? (b) Is the system causal? (c) Is the system invertible?

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Ques. 11. Input x(t) applied to an inverting op-amp follower circuit
produces output y(t) according to
-Vref
x(1) > Vref
x(t) < –Vref
otherwise
y(t+tp) =
Vref
-x(t)
where op-amp reference voltage Vref and propagation delay t, are both
positive constants. Answer the following questions with YES or NO and
provide mathematical justification for each answer.
(a) Is this system BIBO stable?
(b) Is the system causal?
(c) Is the system invertible?
(d) Is the system linear?
(e) Is the system memoryless?
(f) Is the system time-invariant?
Transcribed Image Text:Ques. 11. Input x(t) applied to an inverting op-amp follower circuit produces output y(t) according to -Vref x(1) > Vref x(t) < –Vref otherwise y(t+tp) = Vref -x(t) where op-amp reference voltage Vref and propagation delay t, are both positive constants. Answer the following questions with YES or NO and provide mathematical justification for each answer. (a) Is this system BIBO stable? (b) Is the system causal? (c) Is the system invertible? (d) Is the system linear? (e) Is the system memoryless? (f) Is the system time-invariant?
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