Microstrip-Slot Line Phase Shifter.
OFFICE OF THE SECRETARY OF THE ARMY WASHINGTON D C
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The patent describes a microwave-integrated-circuit phase shifter comprising a dielectric substrate such as ferrite, one side being metallized to form a slot line and the other being metallized to form a paralleling microstrip transmission line. The two lines are coupled together through the dielectric substrate. A region of circular polarization of the input signal is set up between the lines and a magnetic field which is adjustable in amplitude is applied in the direction of the two lines. Variation of the amplitude of the magnetic field varies the amount of phase shift between the input and output of the device.
- Electrical and Electronic Equipment