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Industry News

Then: The Look Forward in Microwave Plumbing for Systems Applications

First published in July/August of 1958, this article discussed the application of new microwave ferrite components to missile guidance radar, tracking antennas and microwave relays.

February 19, 2008
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THE ADVENT of micowave ferrites and continued advances in microwave techniques have ushered a whole new era into the use of microwave components in systems design. Devices which heretofore were impossible are now realities; switching speeds, modulation rates in microwave components far exceeding those that were even dreamed of before are now simple and realistic. Because these new devices are essentially controllable by electronic means, the term "electronics" in the microwave component field has now come into its own.


The applications of the new microwave ferrite components to missile guidance radar, tracking antennas, microwave relays, are fabulous. An example is shown in Figure 1.

Microwave ferrites introduce a number of problems because of hysteresis effects in the magnetic materials, variations with temperature, frequency range, etc. The concept of being able to control these shortcomings by means of a closed loop servo system is one that has proved exceedingly valuable in these advanced applications of microwave components.

Production engineering techniques are succeeding now to reduce the cost and to provide for ...


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