Magnetostatic wave distributor, synthesizer and S/N enhancer

Details Magnetostatic wave distributor, synthesizer and S/N enhancer Magnetostatic wave distributor, synthesizer and S/N enhancer

1997-03-06

1999-07-13

Pascal, Robert

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333117, 333 24R, H04B 303

Patent

active

059232285

ABSTRACT:
An S/N enhancer is provided which can be formed to be small in size and in which impedance matching can easily be achieved. The S/N enhancer includes two magnetostatic wave elements. First to fourth transducers each in the shape of a single line are disposed on YIG thin films of the magnetostatic wave elements in parallel and spaced from one another. An input terminal is connected to one end of the first transducer. An attenuator is connected between the other end of the first transducer and one end of the third transducer. A 180.degree. shifter and another attenuator are connected in series between one end of the second transducer and one end of the fourth transducer. An output terminal is connected to the other end of the fourth transducer. The other ends of the second and third transducers are respectively grounded.

REFERENCES:
patent: 4314214 (1982-02-01), Castera et al.
patent: 5319325 (1994-06-01), Konishi

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