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US 12,763,243 B2Granted
Transformer
AssigneeNXP B.V.
InventorsOlivier Tesson, Konstantinos Giannakidis
Life of this patent
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Abstract
A transformer (100, 100′) is disclosed, comprising a first conducting element (110) having a first lobed portion (114) arranged to form a first plurality of lobes (116); and a second conducting element (120) having a second lobed portion (124) arranged to form a second plurality of lobes (126); wherein said first lobed portion (114) overlaps said second lobed portion (124) to define a plurality of enclosed areas (130). The transformer is adapted for applications requiring an autotransformer having a weak, negative magnetic coupling coefficient.
Claims20
A transformer comprising:
- a substrate;
- a first terminal;
- a second terminal;
- a centre tap;
- a first conducting element coupled to the first terminal and having a first lobed portion with a first end coupled to the first terminal, a second end, and a first plurality of lobes between the first and second ends of the first lobed portion, and wherein the first plurality of lobes corresponds to a first sequence of partial turns, with each successive lobe of the first plurality of lobes winding in an opposite sense to a preceding lobe of the first plurality of lobes;
- and
- a second conducting element coupled to the second terminal and having a second lobed portion with a first end coupled to the second terminal, a second end, and a second plurality of lobes between the first and second ends of the second lobed portion, and wherein the second plurality of lobes corresponds to a second sequence of partial turns, with each successive lobe of the second plurality of lobes winding in an opposite sense to a preceding lobe of the second plurality of lobes,
- wherein said first lobed portion overlaps said second lobed portion to define a plurality of enclosed areas,
- wherein adjacent enclosed areas are separated by crossing points of said first and second conducting elements,
- wherein the second end of the first lobed portion is connected to the second end of the second lobed portion to form the centre tap, and
- wherein the first lobed portion and the second lobed portion are formed using first and second layers of metallization on the substrate.
8 more elements
A passive phase shifter comprising:
- a transformer that includes
- a substrate;
- a first terminal;
- a second terminal;
- a centre tap;
- a first conducting element coupled to the first terminal and having a first lobed portion with a first end coupled to the first terminal, a second end, and a first plurality of lobes between the first and second ends of the first lobed portion, and wherein the first plurality of lobes corresponds to a first sequence of partial turns, with each successive lobe of the first plurality of lobes winding in an opposite sense to a preceding lobe of the first plurality of lobes;
- and
- a second conducting element coupled to the second terminal and having a second lobed portion with a first end coupled to the second terminal, a second end, and a second plurality of lobes between the first and second ends of the second lobed portion, and wherein the second plurality of lobes corresponds to a second sequence of partial turns, with each successive lobe of the second plurality of lobes winding in an opposite sense to a preceding lobe of the second plurality of lobes,
- wherein said first lobed portion overlaps said second lobed portion to define a plurality of enclosed areas,
- wherein adjacent enclosed areas are separated by crossing points of said first and second conducting elements,
- wherein the second end of the first lobed portion is connected to the second end of the second lobed portion to form the centre tap, and
- wherein the first lobed portion and the second lobed portion are formed using first and second layers of metallization on the substrate.
9 more elements
Dependencies are inferred from the claim text.