Microwave 180.degree. phase-bit device with integral loop transi

Details Microwave 180.degree. phase-bit device with integral loop transi Microwave 180.degree. phase-bit device with integral loop transi

1976-12-30

1978-01-24

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

With impedance matching

333 31R, 333 84M, H01P 118, H01P 115

Patent

active

040706397

ABSTRACT:
A 180.degree. microwave phase-bit device implemented in a stripline medium with integral transitional coupling into a waveguide by means of an H plane loop within the waveguide. The device is particularly well suited for use in digital diode phase shifters attached to waveguide feed networks, such as in the case of corporate feed of plural antenna elements within a phased array. The device is shown both independently and in connection with diode phase shifters providing intermediate values of phase shift such as 22.degree., 45.degree. and 90.degree.. PIN type radio frequency diodes would normally be used to provide the necessary switching function.

REFERENCES:
patent: 3518688 (1970-06-01), Stayboldt et al.
patent: 3568097 (1971-03-01), Hyltin
patent: 3803621 (1974-04-01), Britt
patent: 3916349 (1975-10-01), Ranghelli et al.

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