Distributed power combiner/divider

Details Distributed power combiner/divider Distributed power combiner/divider

1986-05-30

1988-09-06

Gensler, Paul

Amplifiers

With semiconductor amplifying device

Including field effect transistor

330 54, 330286, 333100, 333127, H03F 316, H03H 1136

Patent

active

047696184

ABSTRACT:
A radio-frequency (rf) power combiner or divider structure containing distributed amplifier components and having broadband operating characteristics, and operable with net gain or practically no insertion losses. The divider structure includes an input transmission line having series-connected impedances that interconnect with active devices, such as field-effect transistors to form a practically lossless line. The active devices provide gain between distributed points in the input transmission line and distributed points in multiple output transmission lines, which are similarly structured as series-connected impedances. Each output transmission line supplies one of the divider outputs. In the combiner form of the device, there is a single output transmission line and multiple input transmission lines, coupled to the output line in a distributed manner by active devices.

REFERENCES:
patent: 2914737 (1959-11-01), Tongue
patent: 3176237 (1965-03-01), Liger
patent: 4423386 (1983-12-01), Gerard
patent: 4543535 (1985-09-01), Avasli
patent: 4564817 (1986-01-01), Gilson et al.
patent: 4668920 (1987-05-01), Jones
patent: 4675911 (1987-06-01), Sokolov et al.
Tyminski, "Wide-Band Chain Amplifier for TV", Radio and Television News, vol. 43, No. 4, pp. 14-16, 29, Apr. 1950.

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