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1. |
Which of the following is a low pass-to-band pass transformation? |
A. | s→\(\frac{s^2+Ω_u Ω_l}{s(Ω_u+Ω_l)}\) |
B. | s→\(\frac{s^2-Ω_u Ω_l}{s(Ω_u-Ω_l)}\) |
C. | s→\(\frac{s^2+Ω_u Ω_l}{s(Ω_u-Ω_l)}\) |
D. | s→\(\frac{s^2-Ω_u Ω_l}{s(Ω_u+Ω_l)}\) |
Answer» D. s→\(\frac{s^2-Ω_u Ω_l}{s(Ω_u+Ω_l)}\) | |