Wide band amplifiers

Details Wide band amplifiers Wide band amplifiers

1979-10-24

1982-06-29

Mullins, James B.

Amplifiers

With distributed parameter-type coupling means

Distributed amplifier

330118, H03F 360, H03F 328

Patent

active

043374395

ABSTRACT:
A distributed amplifier is provided with an output filter line with the output terminals of a plurality of individual amplifying devices connected to different points along the output filter line. Instead of dimensioning the impedance of the output filter line to provide a perfectly uniform frequency response, it is arranged as a wide band multiple quarter wave impedance transformer. The use of this kind of output filter line provides superior performance when the amplifier is used with mismatched loads and the frequency response can still be very good.

REFERENCES:
patent: 2018320 (1935-10-01), Roberts
patent: 3129387 (1964-04-01), Sosin
patent: 3593174 (1971-07-01), White
patent: 4092616 (1978-05-01), Osterwalder

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