Transimpedance amplifier (TIA) with tunable input resistance
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United States of America Patent
Stats
-
Feb 28, 2023
Grant Date -
Jan 19, 2023
app pub date -
Jul 14, 2021
filing date -
Jul 14, 2021
priority date (Note) -
In Force
status (Latency Note)
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Abstract
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 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.
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Patent Citation Ranking
- 1 Citation Count
- H04B Class
- 78.14 % this patent is cited more than
- 2 Age
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