A) s=α±√(α2−ω02)
B) s=−α±√(α2+ω02)
C) s=−α±α2−ω02
D) s=α±α2+ω02

A) Three
B) Zero
C) Two
D) One

A) 1/2
B) 1
C) √2
D) 2

A) Q=mn/(m²+n²)
B) Q=mn+m+n
C) Q=(m+n)/(mn)
D) Q=mnm2+1

A) ω0=C/R
B) ω0=R/C
C) ω0=RC
D) ω0=1/RC

A) It reduces the expressions for f0 and Q.
B) It eliminates the poles in the transfer function.
C) It fixes the ratio between resistors.
D) It increases the circuit's noise production.

A) Decreased circuit's noise production.
B) Improved frequency response.
C) Reduced need for precise component matching.
D) Increased circuit's noise production and DC offset voltage on op amp outputs.

A) Z(s)=R1s'2+s′/Q+1s'2+s′k/Q
B) Z(s)=R1s'+s'/Q+1s'+sk/Q
C) Z(s)=R1s'2+Q/s′+1s'2+k/s′
D) Z(s)=R1s²+s/Q+1s²+sk/Q

A) Q<1−k22
B) Q≠1−k22
C) Q>1−k22
D) Q=1−k22

A) |Z(s)|min=R1(1+Q2)/k2+0.34
B) |Z(s)|min≈R11Q2+k2+0.34
C) |Z(s)|min=R11Q+k2+0.5
D) |Z(s)|min=R1/Q+k2+0.34

A) 0.7≤k≤1.0
B) 0.5≤k≤1.0
C) 0.1≤k≤0.3
D) 0.25≤k≤0.75

A) ωmin=ω0(Q2+Q4)/(k2+1)
B) ωmin≈ω02Q22Q2+k2−1
C) ωmin=ω02/(Q2+k2)
D) ωmin=ω0/Q2+Q4+k2(2Q2+k2−1)

A) 1955
B) 1975
C) 1965
D) 1985

A) Differential amplifier
B) Voltage follower with high gain
C) Unity gain amplifier
D) Inverting amplifier

A) LC filter
B) Digital IIR filter
C) Passive RC filter
D) VCVS filter

A) Require fewer resistors
B) Stages do not affect each other's tuning
C) Increase the number of poles
D) They reduce overall filter order

A) Capacitors
B) Diodes
C) Inductors
D) Resistors

A) Through a capacitor only
B) Through an inductor
C) Directly to the output (vout)
D) To ground

A) Kirchhoff's current law (KCL)
B) Ampere's Law
C) Ohm's Law
D) Faraday's Law

A) Third-order non-linear system
B) Non-linear time-invariant system
C) Second-order linear time-invariant (LTI) system
D) First-order linear time-variant system

A) Operational amplifier with high gain
B) Voltage divider
C) Buffer amplifier
D) Resistor network

A) Emitter or source followers
B) Diode rectifiers
C) Transformer coupling
D) Transistor amplifiers

A) To implement a buffer amplifier
B) To increase output voltage
C) To amplify signal frequency
D) To decrease input impedance

A) Used to determine power consumption
B) Applied at the vx node to derive equations
C) Determines filter order
D) Helps in calculating component tolerances

A) Connected to ground
B) Connected to vout
C) Disconnected entirely
D) Connected through an inductor

A) Capacitor
B) Diode
C) Resistor
D) Inductor

A) Z1 = R1, Z2 = R2
B) Z1 = L1, Z2 = L2
C) Z1 = C1, Z2 = C2
D) Z1 = 1/sC1, Z2 = 1/sC2

A) Butterworth
B) Elliptic
C) Sallen–Key
D) Chebyshev

A) Damping factor
B) Resonance frequency
C) Gain
D) Quality factor