Wireless circuitry with self-calibrated harmonic rejection mixers
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United States of America Patent
Stats
-
Nov 21, 2023
Grant Date -
Jan 5, 2023
app pub date -
Sep 9, 2022
filing date -
Sep 24, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electronic device may include a harmonic rejection mixer with a delay line, mixer array, and load. The delay line may generate LO phases. Each mixer in the array may have a first input that receives an LO phase and a second input coupled to an input switch and the first input of the next mixer circuit through an inter-mixer switch. The load may include a set of switches. In a transmit mode, the input switches and set of switches may be closed while the inter-mixer switches are open. In a self-calibration mode, the input switches and set of switches may be open while the inter-mixer switches are closed. A controller may sweep through phase codes for the programmable delay line while storing a digital output from the load. The controller may calibrate the phase code based on the digital output.
First Claim
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International Classification(s)
- 2022 Application Filing Year
- H03B Class
- 186 Applications Filed
- 131 Patents Issued To-Date
- 70.44 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H03B Class
- 0 % this patent is cited more than
- 2 Age
Maintenance Fees
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|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | May 21, 2027 |
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| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 21, 2035 |
