Receiver circuit and operation method
AssigneeDigWise Technology Corporation, LTD
InventorsJingjie Wu, Wen-Pin Hsieh, Yu-Chieh Hung
Life of this patent
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Abstract
A receiver circuit includes a first amplifier circuit, a second amplifier circuit, and a selector circuit. The first amplifier circuit is configured to receive a pair of receiving signals. The second amplifier circuit is configured to receive the pair of receiving signals. Based on a selection signal, the first amplifier circuit generates a pair of first amplifying signals according to the pair of receiving signals or the second amplifier circuit generates a pair of second amplifying signals according to the pair of receiving signals. The selector circuit is configured to output the pair of first amplifying signals or the pair of second amplifying signals according to the selection signal.
Claims15
A receiver circuit, comprising:
- a first amplifier circuit configured to receive a pair of receiving signals;
- a second amplifier circuit configured to receive the pair of receiving signals, wherein based on a selection signal, the first amplifier circuit generates a pair of first amplifying signals according to the pair of receiving signals or the second amplifier circuit generates a pair of second amplifying signals according to the pair of receiving signals;
- and
- a selector circuit configured to output the pair of first amplifying signals or the pair of second amplifying signals according to the selection signal,
- wherein when the selection signal has a first state, the first amplifier circuit generates the pair of first amplifying signals according the selection signal, the second amplifier circuit is shut down, and the selector circuit outputs the pair of first amplifying signals according to the selection signal, wherein when the selection signal has a second state, the first amplifier circuit is shut down, the second amplifier circuit generates the pair of second amplifying signals according the selection signal, and the selector circuit outputs the pair of second amplifying signals according to the selection signal.
A receiver circuit, comprising:
- a first amplifier circuit configured to receive a pair of receiving signals;
- a second amplifier circuit configured to receive the pair of receiving signals, wherein based on a selection signal, the first amplifier circuit generates a pair of first amplifying signals according to the pair of receiving signals or the second amplifier circuit generates a pair of second amplifying signals according to the pair of receiving signals;
- a level shifter circuit configured to generate a pair of first level shifting signals or a pair of second level shifting signals according to the pair of first amplifying signals or the pair of second amplifying signals;
- a latch circuit configured to generate a pair of first latching signals or a pair of second latching signals according the pair of first level shifting signals or the pair of second level shifting signals;
- and
- a selector circuit configured to output the pair of first latching signals or the pair of second latching signals according to the selection signal.
An operation method of a receiver circuit, comprises:
- receiving a pair of receiving signals by a first amplifier circuit;
- receiving the pair of receiving signals by a second amplifier circuit,
- when the selection signal has a first state, generating the pair of first amplifying signals according to the pair of receiving signals by the first amplifier circuit, and outputting the pair of first amplifying signals according to the selection signal by a selector circuit, wherein the second amplifier circuit is shut down;
- and
- generating the pair of second amplifying signals according to the pair of receiving signals by the second amplifier circuit when the selection signal has a second state, and outputting the pair of second amplifying signals according to the selection signal by the selector circuit, wherein the first amplifier circuit is shut down.
Dependencies are inferred from the claim text.