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US 2010/0141307 A1Published application
Frequency multiplier and method for frequency multiplying
OwnerTa-Yung Yang, Pei-Sheng Tsu +2inventors
InventorsTa-Yung Yang, Pei-Sheng Tsu, Chih-Ho Lin, Chuan-Chang Li
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Abstract
A frequency multiplier according to the present invention comprises a period-to-voltage converter that generates a control signal in response to the period of an input signal. An oscillator generates an output signal in accordance with the control signal. The level of the control signal is corrected to the frequency of the input signal. The control signal is coupled to determine the frequency of the output signal.
Claims15
A frequency multiplier, comprising:
- a period-to-voltage converter, the period-to-voltage converter generating a control signal in response to the period of an input signal;
- and
- an oscillator, the oscillator generating an output signal in accordance with the control signal;
- wherein the level of the control signal is corrected to the frequency of the input signal, the control signal is coupled to operate as a trip-point voltage of the oscillator, the trip-point voltage determines the frequency of the output signal.
1 more element
A method for frequency multiplying, comprising:
- generating a control signal in response to the period of an input signal;
- and
- generating an output signal in accordance with the control signal;
- wherein the level of the control signal is corrected to the frequency of the input signal, the control signal is coupled to determine the frequency of the output signal.
1 more element
Dependencies are inferred from the claim text.