Patent ID: 8283995
Filing Date: 2012-10-09
Classification: H03H

Abstract:
1. A balanced-output triplexer comprising: an input terminal for inputting a first unbalanced signal of a first frequency band, a second unbalanced signal of a second frequency band higher than the first frequency band, and a third unbalanced signal of a third frequency band higher than the second frequency band; a pair of first balanced output terminals for outputting a first balanced signal corresponding to the first unbalanced signal; a pair of second balanced output terminals for outputting a second balanced signal corresponding to the second unbalanced signal; a pair of third balanced output terminals for outputting a third balanced signal corresponding to the third unbalanced signal; a first filter provided between the input terminal and the pair of first balanced output terminals, for passing signals having frequencies within the first frequency band selectively, and for converting the first unbalanced signal into the first balanced signal and outputting the first balanced signal to the pair of first balanced output terminals; a second filter provided between the input terminal and the pair of second balanced output terminals, for passing signals having frequencies within the second frequency band selectively, and for converting the second unbalanced signal into the second balanced signal and outputting the second balanced signal to the pair of second balanced output terminals; a third filter provided between the input terminal and the pair of third balanced output terminals, for passing signals having frequencies within the third frequency band selectively, and for converting the third unbalanced signal into the third balanced signal and outputting the third balanced signal to the pair of third balanced output terminals; and a layered substrate including a plurality of dielectric layers stacked, wherein: