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Gyrator-Function and basics of gyrator

Anisotropic material will have different properties in different directions. The most common materials having anisotropic properties are ferromagnetic compound such as YIG and ferrites. A ferrite is basically a non metallic material.

When a circularly polarized wave is passed through a ferrite rod, under the influence of the axial magnetic field, the axis of polarization will get tilted in the clockwise direction. The amount of tilt depends on strength of the magnetic field as well as dimensions of the ferrite rod. The same principle is being used in the design of gyrator.


The gyrator is one of the ferrite device used in RF and microwave circuit design to obtain phase shift of about 180 degree. It is basically a two port device.

The S matrix of an ideal lossless gyrator and circuit symbol is mentioned in the figure.

The gyrator is basically a phase shifter with 180 degree phase shift.


RF Switch basics and applications along with manufacturers of RF switch refer following link:
RF Switch

For types of waveguide viz. rectangular & circular, waveguide propagation modes, impedance matching of waveguide read following waveguide tutorial.
waveguide basics tutorial

Manufacturers of waveguide components such as waveguide to coaxial adapter, coupler, flanges, gasket, tees, termination, shorts, isolator, circulator, horn antenna, attenuator, feed-thrus, bends, loads, twists, straights, pressure windows, transformers, sliding short circuits, fixed short circuits, sliding mismatches etc. visit following link.
Waveguide components manufacturer

Rectangular waveguide dimensions as per USA standard including frequency, broad dimension and narrow dimensions, visit following link.
Waveguide dimensions table

This article describes microstrip line basics and mention types of microstrip lines and their advantages. READ MORE.

RF and Wireless Terminologies

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