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) √2
B) 1
C) 2
D) 1/2

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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