Broad-band printed-circuit balun employing coupled-strip all pas

Details Broad-band printed-circuit balun employing coupled-strip all pas Broad-band printed-circuit balun employing coupled-strip all pas

1982-11-22

1984-07-17

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

Balanced to unbalanced circuits

333204, H01P 510

Patent

active

044608772

ABSTRACT:
A TEM mode balun in a single-level microwave circuit in a transmission line medium selected from among the stripline, microstrip, airstrip, etc. media. The device employs coupled-strip all-pass filter elements to provide a pair of balanced input/output lines in 180.degree. phase relationship and an unbalanced line port.

REFERENCES:
patent: 2484028 (1949-10-01), Hansen
Jones, E. M. T. and Shimizu, J. K., "A Wide-Band Stripline Balun", IRE Transaction on Microwave Theory and Techniques, vol. MTT-7, pp. 128-134; Jan. 1959.
Jones, E. M. T. and Bolljahn, J. T., "Coupled-Strip-Transmission-Line Filters and Directional Couplers", IRE Transaction on Microwave Theory and Techniques, vol. MTT-4, pp. 77-81, Apr. 1956.

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