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US 11,599,140 B1Granted
Distributed voltage controlled oscillator (VCO)
AssigneeAcacia Communications, Inc.
InventorsIan Dedic, David Enright, Tarun Gupta
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Abstract
In a first and second embodiment, an apparatus and system comprising a set of voltage controlled oscillators (VCOs); wherein each VCO of the set of VCOs has an LC tank; wherein each VCO of the set of VCOs is connected via a transmission line. In a third embodiment, a method comprising connecting each VCO in a set of VCOs by connecting each respective LC tank of each VCO of the set of VCOs with a transmission line.
Claims22
An apparatus comprising:
- a set of voltage controlled oscillators (VCOs);
- wherein each VCO of the set of VCOs has an LC tank;
- wherein the LC tank comprises an inductor and a capacitor connected in a resonance circuit;
- wherein none of the VCOs of the set of VCOs has an input clock;
- wherein each VCO of the set of VCOs is connected to a common voltage that controls a frequency of each VCO of the VCOs;
- wherein each LC tank of each VCO of the set of VCOs are connected via a transmission line to minimize skew between each VCO of the set of VCOs;
- wherein connecting each VCO to the set of VCOs via the transmission line minimizes additional power consumption.
4 more elements
A method comprising:
- connecting each VCO in a set of voltage controlled oscillators (VCOs) to minimize skew between each VCO of the set of VCOs;
- wherein the connecting includes:
- connecting a common voltage to each VCO of the set of VCOs;
- wherein the common voltage controls a frequency of each VCO of the VCOs to keep each VCO at the same frequency;
- wherein none of the VCOs of the set of VCOs has an input clock;
- and
- connecting each respective LC tank of each VCO of the set of VCOs with a transmission line wherein each respective LC tank comprises an inductor and a capacitor connected in a resonance circuit.
4 more elements
A system comprising:
- a set of voltage controlled oscillators (VCOs);
- wherein each VCO of the set of VCOs has an LC tank;
- wherein the LC tank comprises an inductor and a capacitor connected in a resonance circuit;
- a common voltage connected to each VCO of the set of VCOs;
- wherein the common control voltage controls a frequency of each VCO of the VCOs;
- wherein none of the VCOs of the set of VCOs has an input clock;
- and
- a transmission line;
- wherein each LC tank of each VCO of the set of VCOs is connected via the transmission line to minimize skew between each VCO of the set of VCOs.
6 more elements
Dependencies are inferred from the claim text.