Frequency Trimmable Clock Signal Generator and Method Thereof
AssigneexMEMS Labs, Inc.
InventorYu-Chun Lin
Life of this patent
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Abstract
A clock signal generator includes an oscillation circuit and a charge moving capacitor. The oscillation circuit is configured to generate a clock signal and comprises a comparator and a resistor-capacitor (RC) circuit, wherein the RC circuit comprises a capacitor. The charge moving capacitor is connected to the RC circuit. A frequency of the clock signal is trimmed by injecting or extracting electric charges associated with the RC circuit via the charge moving capacitor.
Claims29
A clock signal generator, comprising:
- an oscillation circuit, configured to generate a clock signal, comprising a comparator and a resistor-capacitor (RC) circuit, wherein the RC circuit comprising a capacitor;
- and
- a charge moving capacitor, connected to the RC circuit;
- wherein a frequency of the clock signal is trimmed by injecting or extracting electric charges associated with the RC circuit via the charge moving capacitor.
A frequency trimming method, applied in a clock signal generator, configured to trim a frequency of a clock signal of the clock signal generator, the method comprising:
- injecting or extracting electric charges associated with a resistor-capacitor (RC) circuit;
- wherein the clock signal generator comprises an oscillation circuit, and the oscillation circuit comprises a comparator and the RC circuit;
- wherein the oscillation circuit generates the clock signal.
Dependencies are inferred from the claim text.