Tuning systems, devices and methods

Patent metadata

Field	Value
Publication number	US-10147530-B2
Application number	US-201414216504-A
Country	US
Kind code	B2
Filing date	Mar 17, 2014
Priority date	Mar 15, 2013
Publication date	Dec 4, 2018
Grant date	Dec 4, 2018

Abstract

Systems and implementations for inductance tuning systems that are configured to operate in a wide range of frequencies are provided herein. The subject matter described herein can in some embodiments include an inductance tuning system including at least one inductor connected to a first terminal, the at least one inductor comprising of a plurality of inductive elements that are substantially magnetically coupled to each other, wherein spacing between the inductive elements are substantially less than diameters of the windings. At least one capacitor can be connected between one or more of the plurality of inductive elements and a second terminal.

First claim

What is claimed is:

1. An inductance tuning system comprising:
a multi-turn inductor connected between a first terminal and a second terminal, the multi-turn inductor comprising of a plurality of inductive elements, wherein each of the plurality of inductive elements comprises a turn of the multi-turn inductor, wherein a spacing between adjacent turns of the multi-turn inductor is substantially less than an effective diameter of each turn, and wherein the adjacent turns are magnetically coupled to each other; and
a plurality of variable capacitors connected to the multi-turn inductor, each of the plurality of variable capacitors being discretely connected at one end to a tapped output associated with a node connecting two of the plurality of inductive elements and at a second end to a third terminal;
wherein each of the plurality of variable capacitors is a tunable capacitor that is individually tunable to adjust an impedance value of the inductance tuning system between the first terminal and the second terminal.

2. The system of claim 1 , wherein the first terminal of the multi-turn inductor is in communication with at least one reactive element.

3. The system of claim 1 , wherein a one of the plurality of capacitors that is connected to the one of the plurality of inductive elements that is closest to the first terminal is tuned to a highest capacitance value among the plurality of capacitors connected to the multi-turn inductor, wherein the multi-turn inductor exhibits a low effective inductance value for high frequency operations.

4. The system of claim 1 , wherein a one of the plurality of capacitors that is connected to the one of the plurality of inductive elements that is furthest away from the first terminal is tuned to the highest capacitance value among the plurality of capacitors connected to the multi-turn inductor, wherein the multi-turn inductor exhibits a high effective inductance value for low frequency operations.

5. The system of claim 1 , wherein the multi-turn inductor is fabricated via a single piece of wound wire of conductive material.

6. The system of claim 1 , wherein the plurality of inductive elements comprises a plurality of SMD inductors.

7. The system of claim 6 , wherein the plurality of SMD inductors are connected in a series arrangement; and
wherein at least one tunable capacitor is connected to a node between two of the plurality of SMD inductors.

8. The system of claim 1 , comprising at least one shielding element that encapsulates the at least one inductor and the at least one capacitor.

9. The system of claim 8 , wherein the shielding element is connected to a ground.

10. The system of claim 1 , comprising a non-conductive laminate layer positioned between a first conductive laminate layer and a second conductive laminate layer; and
at least one conductive via connecting the first conductive laminate layer and the second conductive laminate layer through the non-conductive laminate layer.

11. The system of claim 10 , wherein each of the plurality of inductive elements of the inductor is connected to one of the first conductive laminate layer or the second conductive laminate layer.

12. The system of claim 11 , wherein each of the plurality of inductive elements of the inductor is connected to one of the first conductive laminate layer or the second conductive laminate layer by one of soldering, bonding, or welding.

13. The system of claim 10 , wherein the inductor and the capacitor are each connected to one of the first conductive laminate layer or the second conductive laminate layer.

14. The system of claim 10 , wherein the inductor is connected to one of the first conductive laminate layer or the second conductive laminate layer and is surrounded by circuit board elements on at least two sides.

15. The system of claim 1 , wherein each tunable capacitor is configured to be individually tunable using one of electro-mechanical-actuation, electric field actuation, or operation of electrical semiconductor switches connected to an array of capacitances.

Assignees

• Wispry Inc

Inventors

• Bojer Jorgen

Classifications

• H03H5/003

  comprising distributed impedance elements together with lumped impedance elements · CPC title

• H01F27/2804

  Printed windings · CPC title

• H01F5/00

  Coils (superconducting coils H01F6/06; fixed inductances of the signal type H01F17/00) · CPC title

• H01F21/02 Primary

  continuously variable, e.g. variometers · CPC title

• H03H5/12

  with at least one voltage- or current-dependent element · CPC title