Characteristic impedance of a coaxial cable is inversely proportional to ∈r.

More Questions from Microwave Communication

• The following components are used to measure power output of a 2 kW TWT amplifier TWT Low pass/High pass filter Low power 20 dB attenuator 40 dB directional coupler with matched load Power meter. The correct sequence of connections of these components is:
• Hollow waveguides are used as transmission lines at frequencies
• A rectangular wave guide has two stubs each of length connected at the source end. The stubs are circuited. Then the stubs present
• A 3 port circulator is in the given figure. Its scattering matrix is
• Integrated fin line can be utilized as a medium for constructing millimeter wave circuits.
• A line of length slightly longer than and open circuited at far end behaves as
• Fibers have numerical aperture (NA) in the range of 0.15 to 0.4 Fibers with higher NA value would have
• The most commonly used magnetron is
• Assertion (A): For a reciprocal microwave junction the S matrix is symmetrical. Reason (R): In a symmetrical matrix Sij = Sji.
• In a waveguide the dielectric region is generally

Discussion & Comments