Multilayer magnetically coupled suspended stripline for impedanc

Details Multilayer magnetically coupled suspended stripline for impedanc Multilayer magnetically coupled suspended stripline for impedanc

1992-09-04

1994-01-25

Lee, Benny

Wave transmission lines and networks

Coupling networks

With impedance matching

333 33, 343861, H03H 1128

Patent

active

052819329

ABSTRACT:
An impedance matching device that is particularly suited for high speed, high power applications is disclosed. The impedance matching devices employ magnetic coupling allowing their usage in a "frequency-agile" environments such as communication as well as communication jamming and deception techniques without creating high current, high voltage and thermal conditions that might otherwise damage the related switching devices. The impedance matching device provides a predetermined impedance to transform a load impedance Z.sub.L into a desired characteristic impedance Z.sub.0 over a frequency range having a lower and an upper band. The device comprises one or more first and second inductive components. Each of the first inductive components has an impedance characteristic associated with said lower band, whereas each of the second inductive component has an impedance characteristic associated with the upper band. The device further comprises switch means having an active and an inactive state and being of a predetermined number at least equal to the predetermined number of second components. Each of the switch means in its active state bypassing its corresponding second component and effectively shorting out its respective first component.

REFERENCES:
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Technical Proposal 18839.0000, of AEL Defense Corp., entitled "Frequency Agile Solid-State Power Amplifer," dated Nov. 1988.
Technical Proposal 18542.0001, of AEL Defense Corp., entitled "Frequency Agile HF Antenna Coupler," dated Nov. 1989.
Technical Proposal 18121.0002, of AEL Defense Corp., entitled "Frequency-Agile HF Antenna," dated Jul. 1990.

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