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US 6,888,417 B2Granted
Voltage controlled oscillator
AssigneeSilicon Image, Inc.
InventorsYongsam Moon, Gijung Ahn, Deog-Kyoon Jeong
Life of this patent
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Abstract
A folded starved inverter differential output apparatus for use in a voltage controlled oscillator includes a first polarity of two transistors that are cross-coupled and a second polarity of four transistors. Also included are two inverter gates and a supply regulator.
Claims20
A folded starved inverter differential output apparatus for use in a voltage controlled oscillator comprising:
- a first polarity of two transistors cross-coupled;
- a second polarity of four transistors;
- two inverter gates;
- and
- a supply regulator.
2 more elements
A folded starved inverter differential output apparatus comprising
- two transistors cross-coupled to provide an output stage;
- four transistors connected to provide a folded starved inverter circuit;
- two inverter gates;
- and
- a supply regulator;
- wherein the folded starved inverter differential output apparatus provides a fast slew rate, large voltage swing and symmetric output waveform.
3 more elements
A receiver apparatus comprising:
- a phase locked loop circuit including a voltage controlled oscillator used to generate a data sampling clock signal;
- a data sampler to receive the data sampling clock signal;
- and
- a folded starved inverter circuit contained within the voltage controlled oscillator.
1 more element
Dependencies are inferred from the claim text.