Planar variable power divider

Details Planar variable power divider Planar variable power divider

1995-03-06

1995-12-05

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333137, 333159, 333253, H01P 504, H01P 519

Patent

active

054732948

ABSTRACT:
A novel planar variable power divider, using waveguide technology, includes two hybrids and two variable phase shifters. The variable power divider includes a variable phase shifter based on a 3 dB hybrid circuit terminated by two sliding non-contacting moveable short circuits. The differential phase spreading of the phase shifter has been reduced to less than one-sixth of typical transmission line dispersion by the compensating short terminations. As a consequence, electrical performance achievable over a 16% bandwidth is significantly improved with respect to heretofore-known variable power dividers. The variable power divider also provides for planar integration, wideband performance, medium-high power handling capabilities and low loss.

REFERENCES:
patent: 2451876 (1948-10-01), Salisbury
patent: 3621481 (1971-11-01), Perreault et al.
patent: 4602227 (1986-07-01), Clark et al.
patent: 5280292 (1994-01-01), Tondryk

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