Transimpedance amplifier (TIA) with tunable input resistance
1004UN42 )2 Abstract of the Disclosure An electronic device may include wireless circuitry with a baseband processor, a transceiver, and an antenna. The transceiver may include a mixer that outputs signals to a transimpedance amplifier. The mixer has an output impedance that varies depending on the...
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| Main Authors | , |
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| Format | Patent |
| Language | English |
| Published |
02.02.2023
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| Subjects | |
| Online Access | Get full text |
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| Abstract | 1004UN42 )2 Abstract of the Disclosure An electronic device may include wireless circuitry with a baseband processor, a transceiver, and an antenna. The transceiver may include a mixer that outputs signals to a transimpedance amplifier. The mixer has an output impedance that varies depending on the 5 frequency of operation. An adjustable resistance can be coupled to the input of the transimpedance amplifier. A control circuit can tune the adjustable resistance to compensate for changes in the output impedance of the mixer as the transceiver operates across a wide range of frequencies. Cf 51 | Rf Cmix 54 LNA -PRi TIA t Rout 48 Rf Cmix 52 Cf |
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| AbstractList | 1004UN42 )2 Abstract of the Disclosure An electronic device may include wireless circuitry with a baseband processor, a transceiver, and an antenna. The transceiver may include a mixer that outputs signals to a transimpedance amplifier. The mixer has an output impedance that varies depending on the 5 frequency of operation. An adjustable resistance can be coupled to the input of the transimpedance amplifier. A control circuit can tune the adjustable resistance to compensate for changes in the output impedance of the mixer as the transceiver operates across a wide range of frequencies. Cf 51 | Rf Cmix 54 LNA -PRi TIA t Rout 48 Rf Cmix 52 Cf |
| Author | Mrugalla, Florian Woo, Sang Hyun |
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| Snippet | 1004UN42 )2 Abstract of the Disclosure An electronic device may include wireless circuitry with a baseband processor, a transceiver, and an antenna. The... |
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| SubjectTerms | AMPLIFIERS BASIC ELECTRONIC CIRCUITRY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION |
| Title | Transimpedance amplifier (TIA) with tunable input resistance |
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