Millimeter waveband switch

Details Millimeter waveband switch Millimeter waveband switch

2011-03-01

2011-03-01

Takaoka, Dean O (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S103000, C333S164000

Reexamination Certificate

active

07898358

ABSTRACT:
A millimeter waveband switch which enables high isolation without increasing passing loss, includes a first switching element that is connected in series between input and output terminals through which a signal passes; and a first transmission line having an electrical length of ½ wavelength and which is connected in parallel with the first switching element. Alternatively, the millimeter waveband switch may include: a first switching element having a first end connected in parallel to input and output terminals through which a signal passes; a first transmission line having an electrical length of ½ wavelength which is connected in parallel with the first switching element; and a second transmission line having an electrical length of ¼ wavelength and which is connected between aground and a second end of her first switching element.

REFERENCES:
patent: 5392010 (1995-02-01), Nakahara
patent: 5856713 (1999-01-01), Huettner et al.
patent: 11284203 (1999-10-01), None
patent: 2004289228 (2004-10-01), None

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