U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Power distribution system for a phased array radar

Patent 4806937 Issued on February 21, 1989. Estimated Expiration Date: Icon_subject December 31, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Passive microwave power distribution systems
Patent #: 3953853
Issued on: 04/27/1976
Inventor: Carter ,   et al.

Phased power switching system for scanning antenna array
Patent #: 4124852
Issued on: 11/07/1978
Inventor: Steudel

Microwave integrated circuit device for transmission/reception of a signal
Patent #: 4251817
Issued on: 02/17/1981
Inventor: Kimura ,   et al.

Transmit/receive microwave circuit
Patent #: 4259743
Issued on: 03/31/1981
Inventor: Kaneko ,   et al.

Apparatus for microwave directional coupling between a waveguide and a stripline
Patent #: 4433313
Issued on: 02/21/1984
Inventor: Saint ,   et al.

Fiber optic data distribution for phased array antenna
Patent #: 4583096
Issued on: 04/15/1986
Inventor: Bellman ,   et al.

Active matching transmit/receive module Patent #: 4682176
Issued on: 07/21/1987
Inventor: Jones

Inventor

Assignee

Application

No. 07/140292 filed on 12/31/1987

US Classes:

342/175, WITH PARTICULAR CIRCUIT333/136, Including long line element342/374With a switch

Examiners

Primary: Tarcza, Thomas H.
Assistant: Sotomayor, John B.

Attorney, Agent or Firm

International Classes

G01S 7/282 (20060101)
G01S 7/03 (20060101)
G01S 7/28 (20060101)
H02J 3/12 (20060101)
H02J 3/14 (20060101)

Abstract

The invention relates to the distribution of power and control commands to a plurality of pulsed T/R modules coupled to the antenna elements of a phased array radar and arranged in rows and columns. The novel power distribution system includes a large number of small capacitors, at least one per module, a lesser number of large capacitors, at least one at each end of each row, and bus bars dimensioned for a very small r.f. impedance for supplying peak power in a timely manner to the modules from the large capacitors. Each row has four large (1KW) dc power supplies for providing the average power. The power conditioning elements within the modules are of reduced bulk while achieving "droop" free operation. The control commands are carried by lower current capacity runs on a layer laminated to the bus bar.Connectors attached to the laminated bus bar and indexed at the module positions provide high power and control commands. The arrangement permits automated testing of the connections and is of high reliability.

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