Branch line type phase shifter associated with open stubs
The present invention discloses a coupled branch-line type of phase shifter with open stubs, which includes branch-coupled circuit formed on substrate. The branch-coupled circuit contains four rectangular transmission lines in round sequence becoming a shape of rectangle. The connecting junction of...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The present invention discloses a coupled branch-line type of phase shifter with open stubs, which includes branch-coupled circuit formed on substrate. The branch-coupled circuit contains four rectangular transmission lines in round sequence becoming a shape of rectangle. The connecting junction of the first rectangular transmission line and the second rectangular transmission line is extended outwards becoming a first rectangular stub. The connecting junction of the third rectangular transmission line and the second rectangular transmission line is extended outwards becoming a second rectangular stub. The first rectangular stub and the second rectangular stub become an open stub paralelly, thereby producing the characteristics and functions of phase shifter. |
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