Distributed amplifier for microwave frequencies

Details Distributed amplifier for microwave frequencies Distributed amplifier for microwave frequencies

1979-12-05

1982-01-19

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including distributed parameter-type coupling

330 54, H03F 360

Patent

active

043119662

ABSTRACT:
The amplifier comprises two input and output transmission lines connected together by means of a plurality of active quadripoles mounted in parallel across the transmission lines, the elements for matching the quadripoles being inserted between the lines. In a solid state design, the active quadripoles are formed in a gallium arsenide substrate and the lines are constituted by metallic deposits formed on the substrate by means of the microstrip technique. The matching elements comprise inductance coils between which are placed coupling capacitors.

REFERENCES:
patent: 3593174 (1971-07-01), White
patent: 4092616 (1978-05-01), Osterwalder

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