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US 10,804,844 B2Granted
Voltage controlled oscillators with wide tuning range and low phase noise
AssigneeMACOM Technology Solutions Holdings, Inc.
InventorsRonan Brady, Shane Collins
Life of this patent
Estimating the term…
Abstract
A voltage controlled oscillator includes a variable capacitance circuit having a plurality of variable capacitance elements, each having a capacitance that is a function of a tuning voltage, two or more oscillator core circuits, each operable over a specified frequency band, and inductive elements connected between the variable capacitance circuit and the oscillator core circuits.
Claims21
A voltage controlled oscillator comprising:
- a variable capacitance circuit comprising a plurality of variable capacitance elements, each having a capacitance that is a function of a tuning voltage;
- two or more oscillator core circuits each comprising transistors and capacitors, wherein the two or more oscillator core circuits are individually selectable to cause oscillation in different frequency bands;
- and
- inductive elements outside the oscillator core circuits that are connected between the variable capacitance circuit and the oscillator core circuits.
1 more element
A voltage controlled oscillator comprising:
- a variable capacitance circuit comprising a plurality of variable capacitance elements, each responsive to a tuning voltage;
- two or more oscillator core circuits each comprising transistors and capacitors, wherein the two or more oscillator core circuits are individually selectable to cause oscillation in different frequency bands and wherein the variable capacitance circuit and the two or more oscillator core circuits are formed on one or more semiconductor substrates;
- and
- inductive elements formed on a laminate substrate outside each oscillator core circuit of the two or more oscillator core circuits and connected between the variable capacitance circuit and the oscillator core circuits, wherein the one or more semiconductor substrates are mounted on the laminate substrate and are electrically connected to the laminate substrate.
1 more element
Dependencies are inferred from the claim text.