Filter circuit and module
First Claim
1. A filter circuit comprising:
- a first band-pass filter, a second band-pass filter, a third band-pass filter and a fourth band-pass filter each having an input terminal and an output terminal;
a first terminal to which the output terminal of the first band-pass filter and the output terminal of the second band-pass filter are connected in common;
a second terminal to which the output terminal of the third band-pass filter and the output terminal of the fourth band-pass filter are connected in common;
a third terminal to which the input terminal of the first band-pass filter and the input terminal of the fourth band-pass filter are connected in common; and
a fourth terminal to which the input terminal of the second band-pass filter and the input terminal of the third band-pass filter are connected in common,wherein whole pass bands of the first band-pass filter, the second band-pass filter, the third band-pass filter and the fourth band-pass filter differ from each other.
1 Assignment
0 Petitions
Accused Products
Abstract
A filter circuit includes: a first band-pass filter, a second band-pass filter, a third band-pass filter and a fourth band-pass filter each having input and output terminals; a first terminal to which one of input and output terminals of first band-pass filter and one of input and output terminals of second band-pass filter are connected; a second terminal to which one of input and output terminals of third band-pass filter and one of input and output terminals of fourth band-pass filter are connected; a third terminal to which another one of input and output terminals of first band-pass filter and another one of input and output terminals of fourth band-pass filter are connected; and a fourth terminal to which another one of input and output terminals of second band-pass filter and another one of input and output terminals of third band-pass filter are connected.
-
Citations
14 Claims
-
1. A filter circuit comprising:
-
a first band-pass filter, a second band-pass filter, a third band-pass filter and a fourth band-pass filter each having an input terminal and an output terminal; a first terminal to which the output terminal of the first band-pass filter and the output terminal of the second band-pass filter are connected in common; a second terminal to which the output terminal of the third band-pass filter and the output terminal of the fourth band-pass filter are connected in common; a third terminal to which the input terminal of the first band-pass filter and the input terminal of the fourth band-pass filter are connected in common; and a fourth terminal to which the input terminal of the second band-pass filter and the input terminal of the third band-pass filter are connected in common, wherein whole pass bands of the first band-pass filter, the second band-pass filter, the third band-pass filter and the fourth band-pass filter differ from each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A filter circuit comprising:
-
a first band-pass filter, a second band-pass filter, a third band-pass filter and a fourth band-pass filter each having an input terminal and an output terminal; a first terminal to which the input terminal of the first band-pass filter and the input terminal of the second band-pass filter are connected in common; a second terminal to which the input terminal of the third band-pass filter and the input terminal of the fourth band-pass filter are connected in common; a third terminal to which the output terminal of the first band-pass filter and output terminal of the fourth band-pass filter are connected in common; and a fourth terminal to which the output terminal of the second band-pass filter and the output terminal of the third band-pass filter are connected in common, wherein whole pass bands of the first band-pass filter, the second band-pass filter, the third band-pass filter and the fourth band-pass filter differ from each other. - View Dependent Claims (12, 13, 14)
-
Specification