Amplifiers – With distributed parameter-type coupling means
Patent
1979-01-26
1981-04-21
Gensler, Paul L.
Amplifiers
With distributed parameter-type coupling means
330124R, 330286, 333116, H03F 360
Patent
active
042635594
ABSTRACT:
This circuit divides power from an input source equally among N different paths, where N is an arbitrary number. These individual path powers can then be amplified separately to take advantage of the full output power ratings for the individual amplifiers, then the outputs from the amplifiers are combined. A combiner circuit, which is the reverse of the divider circuit, then combines the individual powers to a single output. In each of the combiner and divider circuits, the phase angles of the output ports vary from each other by 90 degrees sequentially down the entire chain of N-1 couplers. Each combiner and divider network utilizes N-1 series-connected couplers, preferably interdigitated ones. The interdigitated couplers utilize preselected power division ratios based upon N.
REFERENCES:
patent: 3516024 (1970-06-01), Lange
patent: 3593174 (1971-07-01), White
patent: 3883827 (1975-05-01), Seidel
patent: 3928806 (1975-12-01), Carter et al.
patent: 3963993 (1976-06-01), Hoffman et al.
patent: 4064464 (1977-12-01), Morse
Morse, Modify Combiner Designs To Team High Power Amps, Microwaves, Jan. 1978, pp. 70-74.
Ford Aerospace & Communications Corp.
Gensler Paul L.
Radlo Edward J.
Sadler Clifford L.
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