Combined IQ-polar radio frequency digital-to-analog-converter (RFDAC) systems and methods
US-12531572-B2 · Jan 20, 2026 · US
This page is not indexed by search engines while we improve data quality.
with intermediate conversion to phase of sinusoidal or similar periodical signals
with intermediate conversion to phase of sinusoidal or similar periodical signals · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03M1/665 |
| Official title | {with intermediate conversion to phase of sinusoidal or similar periodical signals} |
| Display label | with intermediate conversion to phase of sinusoidal or similar periodical signals |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reconfigurable transmit digital-to-analog converter (DAC) circuit
US-12381571-B2 · Aug 5, 2025 · US
Phase interpolator and memory device including the same
US-2025219654-A1 · Jul 3, 2025 · US
Combined iq-polar radio frequency digital-to-analog-converter (rfdac) systems and methods
US-2024372560-A1 · Nov 7, 2024 · US
Reconfigurable transmit digital-to-analog converter (dac) circuit
US-2024204795-A1 · Jun 20, 2024 · US
Inductive current digital-to-analog converter (DAC) and related control options
US-12003251-B2 · Jun 4, 2024 · US
Suppressing spurious signals in direct-digital synthesizers
US-11563444-B1 · Jan 24, 2023 · US
Inductive current digital-to-analog converter (dac) and related control options
US-2022376699-A1 · Nov 24, 2022 · US
Jitter insertion system for waveform generation
US-11422584-B2 · Aug 23, 2022 · US
Jitter insertion system for waveform generation
US-2020249712-A1 · Aug 6, 2020 · US
Digital RF-DAC
US-10686476-B1 · Jun 16, 2020 · US
Signed-RFDAC architectures enabling wideband and efficient 5G transmitters
US-10651869-B1 · May 12, 2020 · US
Method for controlling digital-to-analogue converters and RF transmit circuit arrangement
US-10333603-B2 · Jun 25, 2019 · US
Phase shifter
US-10230378-B2 · Mar 12, 2019 · US
Phase shifter
US-2019013814-A1 · Jan 10, 2019 · US
Method for controlling digital-to-analogue converters and rf transmit circuit arrangement
US-2018091203-A1 · Mar 29, 2018 · US
High speed low power digital to analog upconverter
US-9705522-B1 · Jul 11, 2017 · US
Accumulator and data weighted average device including the accumulator
US-9378184-B2 · Jun 28, 2016 · US
Return-to-zero digital-to-analog converter with overlapping time delayed pulse generation
US-9252797-B1 · Feb 2, 2016 · US
Power supply noise cancelling circuit and power supply noise cancelling method
US-9240797-B2 · Jan 19, 2016 · US