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US 10,121,845 B2Granted
Inductor layout, and a voltage-controlled oscillator (VCO) system
AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorsThomas Mattsson, Pietro Andreani
Life of this patent
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Abstract
An inductor layout comprising a first inductor and a second inductor. The first and second inductors are electrically and magnetically independent inductors concentrically arranged on an integrated circuit. At least one of the first and second inductors is a multi-loop inductor with a first axis of symmetry.
Claims26
An inductor layout comprising:
- a first inductor;
- and
- a second inductor;
- wherein the first and second inductors are concentrically arranged on an integrated circuit;
- and
- wherein at least one of the first and second inductors comprises a first multi-loop inductor with a first axis of symmetry;
- wherein the first inductor and the second inductor show no or low electromagnetic interaction with each other;
- and
- wherein the first and second inductors have an electro-magnetic coupling coefficient k less than 0.1.
6 more elements
A Voltage-Controlled Oscillator (VCO) system for frequency generation in an integrated circuit, the VCO system comprising:
- an inductor layout comprising:
- a first inductor;
- and
- a second inductor;
- wherein the first and second inductors are concentrically arranged on an integrated circuit;
- and
- wherein at least one of the first and second inductors comprises a multi-loop inductor with a first axis of symmetry;
- wherein the first inductor and the second inductor show no or low electromagnetic interaction with each other;
- and
- wherein the first and second inductors have an electro-magnetic coupling coefficient k less than 0.1.
7 more elements
An integrated RF transceiver circuit comprising:
- a Voltage-Controlled Oscillator (VCO) system for frequency generation in an integrated circuit, the VCO system comprising:
- an inductor layout comprising
- a first inductor;
- and
- a second inductor;
- wherein the first and second inductors are concentrically arranged on an integrated circuit;
- and
- wherein at least one of the first and second inductors comprises a multi-loop inductor with a first axis of symmetry;
- wherein the first inductor and the second inductor show no or low electromagnetic interaction with each other;
- and
- wherein the first and second inductors have an electro-magnetic coupling coefficient k less than 0.1.
8 more elements
An integrated circuit comprising
- a Voltage-Controlled Oscillator (VCO) system for frequency generation in an integrated circuit, the VCO system comprising:
- an inductor layout comprising
- a first inductor;
- and
- a second inductor;
- and
- control logic operatively coupled to the VCO system and configured to implement frequency tuning in the integrated circuit;
- wherein the first and second inductors are concentrically arranged on an integrated circuit;
- and
- wherein at least one of the first and second inductors comprises a multi-loop inductor with a first axis of symmetry;
- wherein the first inductor and the second inductor show no or low electromagnetic interaction with each other;
- and
- wherein the first and second inductors have an electro-magnetic coupling coefficient k less than 0.1.
10 more elements
A communication device in a wireless network, the communication device comprising:
- an integrated RF transceiver circuit comprising a Voltage-Controlled Oscillator (VCO) system for frequency generation in an integrated circuit, the VCO system comprising:
- an inductor layout comprising
- a first inductor;
- and
- a second inductor;
- wherein the first and second inductors are concentrically arranged on an integrated circuit;
- and
- wherein at least one of the first and second inductors comprises a multi-loop inductor with a first axis of symmetry;
- wherein the first inductor and the second inductor show no or low electromagnetic interaction with each other;
- and
- wherein the first and second inductors have an electro-magnetic coupling coefficient k less than 0.1.
8 more elements
An inductor layout comprising:
- a first inductor;
- and
- a second inductor;
- wherein the first and second inductors are concentrically arranged on an integrated circuit;
- wherein at least one of the first and second inductors comprises a first multi-loop inductor with a first axis of symmetry;
- wherein the other one of the at least one of the first and second inductors comprises a second multi-loop inductor having a second axis of symmetry;
- and
- wherein the first and second inductors are rotated relative to each other such that they have an electro-magnetic coupling coefficient that is substantially minimized.
5 more elements
Dependencies are inferred from the claim text.