Miniaturized Multi-Section Directional Coupler Using Multi-Layer MMIC Process
First Claim
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1. A miniaturized directional coupler comprising:
- at least one broadside coupled stacked spiral.
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Abstract
A miniaturized multi-sectioned, directional coupler using a multi-layer MMIC process, the coupler comprising, a monolithic microwave integrated circuit, having a central section with a relatively tight coupling, surrounded by sections of lighter coupling, the relatively tight coupling being comprised of a pair of spiral coupled lines, and the lighter coupling being comprised of meandered edge couple lines with capacitive loading of the lines in several places.
11 Citations
31 Claims
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1. A miniaturized directional coupler comprising:
- at least one broadside coupled stacked spiral.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A miniaturized, multi-sectioned, directional coupler using a multi-layer monolithic microwave integrated circuit (MMIC) process, the coupler comprising:
a monolithic microwave integrated circuit, having a central section with a tight coupling surrounded by sections of lighter coupling, the tight coupling being comprised of at least one broadside coupled spiral line and the lighter coupling being comprised of edge coupled lines. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. An apparatus comprising:
- miniaturized broadside coupled spirals used as a component in at least one of;
directional couplers, baluns, microwave frequency transformers, filters, and mixers.
- miniaturized broadside coupled spirals used as a component in at least one of;
- 28. A method for improving the bandwidth of a multi-section directional coupler having a center section, the method comprising the step of providing the center section with a pair of broadside coupled stacked spirals.
Specification