Networks Analysis and Synthesis - Engineering

Q1:

A constant k low pass T section filter has a characteristic impedance of 600 p at zero frequency. At f = fc the characteristic impedance is

A 600 Ω

B zero

C infinite

D more than 600 ohms

ANS:B - zero

Z0T = R0(1 - f2 / fc2)0.5. At f = f0. Z0T = 0.