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Rotary-Field Reciprocal Ferrite Phase Shifters

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An Accurate Analog Ferrite Phase Shifter • 1971 IEEE MTT-S International Microwave Symposium, Washington, DC, May 1971 • Charles R. Boyd, Jr.

An analog ferrite phase shifter has been developed for applications requiring an accurate relationship between phase shift and control current.

Medium Power S-Band Rotary Field Ferrite Phase Shifters • 1986 IEEE MTT-S International Microwave Symposium, Baltimore, MD, June 1986 • C. M. Oness, W. E. Hord, C. R. Boyd, Jr.

Reciprocal rotary field phase shifters have been developed at S-band frequencies with peak power capacity of 40 kW, average power of 600 W and switching times of 100 microseconds.

Recent Developments In The Average Power Capacity Of Rotary-Field Ferrite Phase Shifters • 1992 IEEE MTT-S International Microwave Symposium, Albuquerque, NM, June 1992 • William E. Hord

An air-cooled experimental S-band rotary-field ferrite phase shifter with an average power capacity of 3 Kilowatts is described.

Ferrite Rotary-Field Phase Shifters: A Survey of Current Technology and Applications • C. R. Boyd, Jr.

Ferrite Rotary–Field Phase Shifters have been used for more than two decades in applications that require highly accurate phase control at moderate to high microwave power levels.

Design Considerations for Rotary-Field Ferrite Phase Shifters • William E. Hord

Key factors influencing the design of a rotary-field ferrite phase shifter are the required r-f performance, the desired control characteristic and the switching time.

A Latching Ferrite Rotary-Field Phase Shifter • 1995 IEEE MTT-S International Microwave Symposium, Orlando, FL, May 1995 • Charles R. Boyd, Jr.

For more than two decades ferrite rotary-field phase shifters have offered highly accurate reciprocal phase control at moderate to high microwave power levels, at the expense of continuous current excitation.