Signal processing device and method for providing oscillating signal in the signal processing device
AssigneeMediatek Inc.
InventorsHao-Jung Li, Tung-Yi Wang
Life of this patent
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Abstract
A signal processing device includes a signal processing chip and a conducting path. The signal processing chip includes: a first port capable of receiving a first oscillating signal; a second port capable of outputting a second oscillating signal derived from the first oscillating signal; and a third port. The conducting path is external to the signal processing chip and coupled to the second port and the third port, and the conducting path is capable of transmitting the second oscillating signal outputted from the second port to the third port.
Claims16
A signal processing device, comprising:
- a controllable oscillator for generating a first oscillating signal;
- a radio-frequency transceiver circuit, coupled to the controllable oscillator, for receiving the first oscillating signal;
- a signal processing chip, comprising:
- a first port, coupled to the radio-frequency transceiver circuit, capable of receiving the first oscillating signal via the radio-frequency transceiver circuit;
- a second port, capable of outputting a second oscillating signal derived from the first oscillating signal;
- and
- a third port;
- and
- a conducting path, external to the signal processing chip and coupled to the second port and the third port, and capable of transmitting the second oscillating signal outputted from the second port to the third port.
A method for providing an oscillating signal in a signal processing device, comprising:
- generating a first oscillating signal by a controllable oscillator;
- receiving the first oscillating signal by a radio-frequency transceiver circuit;
- receiving the first oscillating signal by a first port of a signal processing chin via the radio-frequency transceiver circuit;
- outputting a second oscillating signal derived from the first oscillating signal by a second port of the signal processing chip;
- and
- receiving the second oscillating signal outputted from the second port to a third port via a conducting path;
- wherein the conducting path is externally coupled between the second port and the third port of the signal processing chip.
Dependencies are inferred from the claim text.