Amplifiers – With semiconductor amplifying device – Including distributed parameter-type coupling
Patent
1997-07-28
1999-02-16
Gensler, Paul
Amplifiers
With semiconductor amplifying device
Including distributed parameter-type coupling
331107DP, 333247, 333250, 455325, H03F 360, H04B 126, H03B 512, H01P 500
Patent
active
058724850
ABSTRACT:
An amplifying circuit is formed by a combination of a dielectric line waveguide and a semiconductor device. Two electrically conductive plates are provided substantially parallel to each other. Two dielectric strips are disposed between the two conductive plates, and a dielectric plate is further inserted between the dielectric strips. Ground conductors are formed on the dielectric plate. The ground conductors have an area which equals an amount required for blocking a RF signal propagating in the dielectric line waveguide. A slot line is formed between the ground conductors in a position intermediate opposed sides of the dielectric strips. Line-switching conductor patterns are provided at both sides of the ends of the slot line. A field-effect transistor is mounted on the slot line such that it bridges over the slot line. Accordingly, losses and distortion of an RF signal, which would occur in an input/output circuit, are suppressed, and the generation of parasitic coupling is eliminated. Further, the dielectric line waveguide is miniaturized free from an external circuit, and accordingly, the manufacturing cost is reduced as well.
REFERENCES:
patent: 4188584 (1980-02-01), Hoogstraate
patent: 4587541 (1986-05-01), Dalman et al.
patent: 4864645 (1989-09-01), Dixon, Jr. et al.
patent: 5736908 (1998-04-01), Alexanian et al.
patent: 5770989 (1998-06-01), Ishikawa et al.
Artuzi, et al., "A HEMT Amplifier for Nonradiative Dielectic Waveguide Integrated Circuits", IEICE Tractions, vol. E 74, No. 5, May 1991.
Tsukasa Yoneyama, "Millimeter-Wave Integrated Circuits Using Nonradiative Dielectric Waveguide", Electronics & Communications In Japan, Part II--Electronics, vol. 4, No. 2, Feb. 1, 1991, pp. 20-28.
S.J. Nightingale, et al., "A 30 GHz Monolithic Single-Balanced Mixer with Integrated Dipole Receiving Element", Microwave Journal, vol. 28, No. 8 Aug. 1985, pp. 103-116.
Ishikawa Yohei
Kajikawa Takehisa
Sakamoto Koichi
Yamashita Sadao
Gensler Paul
Murata Manufacturing Co. Ltd.
LandOfFree
Dielectric line waveguide which forms electronic circuits does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dielectric line waveguide which forms electronic circuits, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dielectric line waveguide which forms electronic circuits will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2065566