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US 2014/0112418 A1Published application
Receiver using impedance shaping
AssigneeGCT Semiconductor, Inc.
InventorsYeon-jae JUNG, Deok-hee LEE, Seung-wook LEE
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Abstract
A receiver includes a mixer configured to convert a radio frequency (RF) signal into a baseband, an impedance shaping unit configured to shape a magnitude of load impedance seen in an output terminal of the mixer in a frequency band of an interference signal converted into the baseband so as to reduce the magnitude of the load impedance, and a trans-impedance amplifier configured to amplify the signal converted into the baseband.
Claims20
A receiver comprising:
- a mixer configured to convert a radio frequency (RF) signal into a baseband;
- an impedance shaping unit configured to shape a magnitude of load impedance seen in an output terminal of the mixer in a frequency band of an interference signal converted into the baseband so as to reduce the magnitude of the load impedance;
- and
- a trans-impedance amplifier configured to amplify the signal converted into the baseband.
1 more element
A receiver comprising:
- a mixer configured to down-convert a received radio frequency (RF) signal;
- a trans-impedance amplifier configured to be electrically connected to an output of the mixer to amplify an output signal of the mixer;
- and
- an impedance shaping unit configured to reduce a magnitude of synthetic impedance with input impedance of the trans-impedance amplifier in a frequency band of an interference signal which is electrically connected to the output of the mixer to be down-converted.
1 more element
Dependencies are inferred from the claim text.