US3593174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state amplifier for microwave frequency signals
Assignee: Westinghouse Electric Corp
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Filing: 1969-06-05
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Granted: 1971-07-13
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Expires: 1989-06-05
Abstract
Abstract A solid state apparatus for amplifying signals in the microwave frequency range by phase coherent addition of the signal output of a plurality of amplifier elements achieves high power output and wide bandwidth operation, with improved signal-to-noise ratio while operating within the permissible limits of power gain for each of the amplifying elements. A plurality of parallel connected, solid state amplifiers are connected at equally spaced distances between tapered input and output transmission lines which, respectively, distribute microwave power equally to each of the parallel connected amplifier elements and provide for phase coherent addition of the signal outputs of each of the amplifier elements.
Inventors
- 👤 Marvin H White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:57
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/08; H03F1/18; H03F3/00; H03F3/60; H03F3/605
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
103 words
A transversal amplifier as recited in claim 1 wherein: said input and output transmission lines comprise planar microstrip conductors disposed in parallel relationship and formed in steps of decreasing and increasing widths, respectively, corresponding to said successively tapered sections thereof, and said input and output distribution lines comprise planar microstrip conductor segments integrally formed with the corresponding tapered sections of said input and output microstrip conductors in generally perpendicular, coplanar relationship thereto and extending from the adjacent edges of said parallel input and output transmission lines with said conductor segments displaced in equal intervals along the adjacent edges of said parallel microstrip conductors.
Claim 2
Dependent Claim
26 words
A transversal amplifier as recited in claim 2 wherein said microstrip conductor segments defining corresponding said input and output distribution lines are positioned in aligned relationship.
Claim 3
Dependent Claim
48 words
A transversal amplifier as recited in claim 2 wherein each of said amplifying means is mounted on the respectively associated output distribution line and is electrically connected thereto by said mounting thereon and is electrically connected to a signal input terminal of the respectively associated input distribution line.
Claim 4
Dependent Claim
50 words
A transversal amplifier as recited in claim 4 wherein said micrOstrip conductors further include planar bias conductors integrally formed therewith for connection to an energizing source for energizing said amplifying means, and said bias conductors include isolation means for preventing the propagation of microwave signals therethrough to said energizing source.
Claim 5
Dependent Claim
65 words
A transversal amplifier as recited in claim 2 wherein said microstrip conductors and conductor segments of said input and output transmission lines and associated distribution lines are deposited on a planar substrate of dielectric material, and there is further provided a planar ground plane formed on an opposite surface of said substrate in parallel relationship to the plane of said microstrip conductors and conductor segments.
Claim 6
Dependent Claim
132 words
A transversal amplifier as recited in claim 1 having N amplifying means wherein: each of said amplifying means has a characteristic input impedance of Z0, each of said input distribution lines has a characteristic impedance of Z0 to provide a nonreflective connection at the input to the corresponding amplifying means, said input transmission line includes N-1 successively stepped sections from said input port and terminates in the distribution line for the Nth amplifying element, and said input transmission line has a characteristic impedance of Z0/N at said input port and a characteristic impedance of Z0/(N-n) for successive ones of said sections where n 1,2, ...N-1 and identifies the amplifying means corresponding to each section, preceding said termination of said input transmission line in said input distribution line for said Nth amplifying means.
Claim 7
Dependent Claim
57 words
A transversal amplifier as recited in claim 7 wherein: each of said output distribution lines has a characteristic impedance of ZO'', and said output transmission line includes N-1 successively stepped sections having characteristic impedances of ZO''/n where n 2,3, ...N-1 and identifies the amplifying means corresponding to each section, and an output port of characteristic impedance ZO''/N.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |