Extra high frequency (EHF) circuit module

Details Extra high frequency (EHF) circuit module Extra high frequency (EHF) circuit module

1987-01-27

1988-03-01

Gensler, Paul

Amplifiers

With semiconductor amplifying device

Including distributed parameter-type coupling

330295, 333 26, 333 33, 333254, H03F 360

Patent

active

047289040

ABSTRACT:
A structure for extra-high-frequency circuit modules, to take advantage of the low losses and convenience of assembly of waveguides, and at the same time to take advantage of the ease of tuning of microstrip lines. Each module is adapted to be conveniently connectable to others in a cascade arrangement, and each presents a waveguide interface to adjacent modules. If a module is to contain an active device, such as an amplifier, the module incorporates a microstrip section and two transition sections to couple the microstrip section to the waveguides at input and output. The microstrip section is easily tunable and is easier to couple to the active device.

REFERENCES:
patent: 3577105 (1971-05-01), Jones, Jr.
patent: 3732508 (1973-05-01), Ito et al.
patent: 4291278 (1981-09-01), Quine
patent: 4455537 (1984-06-01), La Prade et al.
patent: 4458222 (1984-07-01), Herstein et al.
patent: 4538124 (1985-08-01), Morrison
patent: 4550296 (1985-10-01), Ehrlinger et al.
patent: 4636753 (1987-01-01), Geller et al.
Krumm, A 30-Ghz GaAs FET Amplifier, 1978 IEEE MTT-S International Microwave Symposium, 27-29 Jun. 1978, pp. 383-385.

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