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US 2006/0214740 A1Published application
Blocking a leakage current
AssigneeSilicon Laboratories Inc.
InventorWenjun Sheng
Life of this patent
Estimating the term…
Abstract
An apparatus includes an oscillator circuit that includes terminals to couple a second circuit having an impedance to the oscillator circuit. The apparatus includes a third circuit that is coupled to at least one of the terminals to isolate a leakage current from at least part of the oscillator circuit.
Claims34
An apparatus comprising:
- an oscillator circuit comprising terminals to couple a second circuit having an impedance to the oscillator circuit;
- and
- a third circuit coupled to at least one of the terminals to isolate a leakage current from at least part of the oscillator circuit.
A method comprising:
- coupling an electrostatic discharge protection circuit to an oscillator;
- and
- isolating leakage current generated by the electrostatic discharge protection circuit from at least part of the oscillator.
A system comprising:
- an oscillator circuit to provide a reference signal, the oscillator circuit comprising terminals to couple a second circuit having an impedance to the oscillator circuit;
- an electrostatic discharge protection circuit coupled to one of the terminals and capable of generating a leakage current;
- a fourth circuit to isolate the leakage current from at least part of the oscillator circuit;
- and
- a radio frequency circuit to receive the reference signal.
2 more elements
An apparatus comprising:
- a die comprising oscillator circuitry;
- and
- a circuit to isolate leakage current from at least part of the oscillator circuitry.
Dependencies are inferred from the claim text.