JPWO2021062141A5 - Envelope tracking system, envelope tracker and mobile device - Google Patents
Envelope tracking system, envelope tracker and mobile device Download PDFInfo
- Publication number
- JPWO2021062141A5 JPWO2021062141A5 JP2022518986A JP2022518986A JPWO2021062141A5 JP WO2021062141 A5 JPWO2021062141 A5 JP WO2021062141A5 JP 2022518986 A JP2022518986 A JP 2022518986A JP 2022518986 A JP2022518986 A JP 2022518986A JP WO2021062141 A5 JPWO2021062141 A5 JP WO2021062141A5
- Authority
- JP
- Japan
- Prior art keywords
- envelope
- modulator
- signal
- tracking system
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Claims (20)
無線周波数信号を増幅するべく、かつ、電力増幅器供給電圧からの電力を受けるべく、構成される電力増幅器と、
前記無線周波数信号の包絡線に対応するアナログ包絡線信号に基づいて前記電力増幅器供給電圧を生成するべく構成される包絡線追跡器と
を含み、
前記包絡線追跡器は、
複数の調節済み電圧を出力するべく構成されるＤＣ／ＤＣ変換器と、
前記複数の調節済み電圧及び前記アナログ包絡線信号に基づいて出力において変調器出力電圧を生成するべく構成される変調器と、
前記変調器の出力と前記電力増幅器供給電圧との間に結合される変調器出力フィルタと
を含み、
前記変調器は、前記アナログ包絡線信号と複数の信号しきい値との比較に基づいて前記変調器出力電圧を生成するように構成される、包絡線追跡システム。 An envelope tracking system,
a power amplifier configured to amplify the radio frequency signal and receive power from the power amplifier supply voltage;
an envelope tracker configured to generate the power amplifier supply voltage based on an analog envelope signal corresponding to an envelope of the radio frequency signal;
The envelope tracker includes:
a DC/DC converter configured to output a plurality of regulated voltages;
a modulator configured to generate a modulator output voltage at an output based on the plurality of regulated voltages and the analog envelope signal;
a modulator output filter coupled between the output of the modulator and the power amplifier supply voltage;
An envelope tracking system, wherein the modulator is configured to generate the modulator output voltage based on a comparison of the analog envelope signal and a plurality of signal thresholds.
前記複数の変調器はそれぞれが、前記複数の変調器出力フィルタのうち対応する一つを経由して前記電力増幅器供給電圧に結合される、請求項１の包絡線追跡システム。 The envelope tracker further includes a plurality of modulators including the modulator and a plurality of modulator output filters including the modulator output filter;
2. The envelope tracking system of claim 1, wherein each of the plurality of modulators is coupled to the power amplifier supply voltage via a corresponding one of the plurality of modulator output filters.
電力増幅器のための電力供給電圧を出力するべく構成される電力増幅器供給電圧端子と、
電池電圧を調節することに基づいて複数の調節済み電圧を出力するべく構成されるＤＣ／ＤＣ変換器と、
変調器出力フィルタと、
前記変調器出力フィルタを介して前記電力増幅器供給電圧端子に結合される出力を含む変調器と
を含み、
前記変調器は、前記複数の調節済み電圧とアナログ包絡線信号とに基づいて前記出力において変調器出力電圧を生成するべく構成され、
前記変調器は、前記アナログ包絡線信号と複数の信号しきい値との比較に基づいて前記変調器出力電圧を生成するべく構成される、包絡線追跡器。 An envelope tracer,
a power amplifier supply voltage terminal configured to output a power supply voltage for the power amplifier;
a DC/DC converter configured to output a plurality of regulated voltages based on regulating the battery voltage;
a modulator output filter;
a modulator having an output coupled to the power amplifier supply voltage terminal through the modulator output filter;
the modulator is configured to generate a modulator output voltage at the output based on the plurality of regulated voltages and an analog envelope signal;
The modulator is an envelope tracker configured to generate the modulator output voltage based on a comparison of the analog envelope signal and a plurality of signal thresholds.
前記複数の変調器はそれぞれが、前記複数の変調器出力フィルタのうち対応する一つを経由して前記電力増幅器供給電圧端子に結合される、請求項１４の包絡線追跡器。 further comprising a plurality of modulators including the modulator and a plurality of modulator output filters including the modulator output filter;
15. The envelope tracker of claim 14, wherein each of the plurality of modulators is coupled to the power amplifier supply voltage terminal via a corresponding one of the plurality of modulator output filters.
前記変調器は、前記差動包絡線信号を増幅してシングルエンド包絡線信号を生成するべく構成される差動包絡線増幅器と、それぞれが前記シングルエンド包絡線信号と前記複数の信号しきい値のうち対応する一つとを比較するべく構成される複数の比較器とを含む、請求項１４の包絡線追跡器。 the analog envelope signal is a differential envelope signal;
The modulator includes a differential envelope amplifier configured to amplify the differential envelope signal to generate a single-ended envelope signal; and a plurality of comparators configured to compare corresponding ones of the envelope tracers.
無線周波数送信信号を生成するべく構成される送受信器と、
前記無線周波数送信信号を増幅するべく、かつ、電力増幅器供給電圧からの電力を受けるべく、構成される電力増幅器を含むフロントエンド回路と、
前記無線周波数送信信号の包絡線に対応するアナログ包絡線信号に基づいて前記電力増幅器供給電圧を生成するべく構成される包絡線追跡器を含む電力管理回路と
を含み、
前記包絡線追跡器は、
複数の調節済み電圧を出力するべく構成されるＤＣ／ＤＣ変換器と、
前記複数の調節済み電圧及び前記アナログ包絡線信号に基づいて出力において変調器出力電圧を生成するべく構成される変調器と、
前記変調器の出力と前記電力増幅器供給電圧との間に結合される変調器出力フィルタと
を含み、
前記変調器は、前記アナログ包絡線信号と複数の信号しきい値との比較に基づいて前記変調器出力電圧を生成するように構成される、携帯デバイス。 A mobile device,
a transceiver configured to generate a radio frequency transmission signal;
a front end circuit including a power amplifier configured to amplify the radio frequency transmission signal and receive power from a power amplifier supply voltage;
a power management circuit including an envelope tracker configured to generate the power amplifier supply voltage based on an analog envelope signal corresponding to an envelope of the radio frequency transmission signal;
The envelope tracker includes:
a DC/DC converter configured to output a plurality of regulated voltages;
a modulator configured to generate a modulator output voltage at an output based on the plurality of regulated voltages and the analog envelope signal;
a modulator output filter coupled between the output of the modulator and the power amplifier supply voltage;
The mobile device wherein the modulator is configured to generate the modulator output voltage based on a comparison of the analog envelope signal and a plurality of signal thresholds.
前記複数の変調器はそれぞれが、前記複数の変調器出力フィルタのうち対応する一つを経由して前記電力増幅器供給電圧に結合される、請求項１８の携帯デバイス。 The envelope tracker further includes a plurality of modulators including the modulator and a plurality of modulator output filters including the modulator output filter;
19. The portable device of claim 18, wherein each of the plurality of modulators is coupled to the power amplifier supply voltage via a corresponding one of the plurality of modulator output filters.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962906940P | 2019-09-27 | 2019-09-27 | |
| US62/906,940 | 2019-09-27 | ||
| PCT/US2020/052697 WO2021062141A1 (en) | 2019-09-27 | 2020-09-25 | Multi-level envelope tracking with analog interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022549331A JP2022549331A (en) | 2022-11-24 |
| JPWO2021062141A5 true JPWO2021062141A5 (en) | 2023-09-12 |
Family
ID=75162490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022518986A Pending JP2022549331A (en) | 2019-09-27 | 2020-09-25 | Multi-level envelope tracking with analog interface |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US11223324B2 (en) |
| JP (1) | JP2022549331A (en) |
| KR (1) | KR20220070009A (en) |
| CN (1) | CN114514697A (en) |
| DE (1) | DE112020003995T5 (en) |
| GB (3) | GB2622522A (en) |
| WO (1) | WO2021062141A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11038471B2 (en) * | 2018-11-20 | 2021-06-15 | Skyworks Solutions, Inc. | Envelope tracking system with modeling of a power amplifier supply voltage filter |
| US11082007B2 (en) | 2018-12-19 | 2021-08-03 | Qorvo Us, Inc. | Envelope tracking integrated circuit and related apparatus |
| US11245432B2 (en) | 2019-03-06 | 2022-02-08 | Skyworks Solutions, Inc. | Radio frequency device with integrated antenna tuner and multiplexer |
| US11114980B2 (en) * | 2019-05-30 | 2021-09-07 | Qorvo Us, Inc. | Envelope tracking amplifier apparatus |
| GB2621260B (en) * | 2019-09-27 | 2024-06-05 | Skyworks Solutions Inc | Multi-level envelope tracking systems with adjusted voltage steps |
| US11223324B2 (en) | 2019-09-27 | 2022-01-11 | Skyworks Solutions, Inc. | Multi-level envelope tracking with analog interface |
| US11671064B2 (en) | 2020-01-07 | 2023-06-06 | Qorvo Us, Inc. | Equalizer for envelope power supply circuitry |
| US11677365B2 (en) | 2020-01-08 | 2023-06-13 | Qorvo Us, Inc. | Envelope tracking power management apparatus incorporating multiple power amplifiers |
| US11626844B2 (en) * | 2020-03-09 | 2023-04-11 | Qorvo Us, Inc. | Envelope tracking radio frequency front-end circuit |
| GB2603998B (en) | 2020-12-07 | 2023-04-26 | Skyworks Solutions Inc | Radio frequency front end module including common filter |
| US11916577B2 (en) | 2021-04-07 | 2024-02-27 | Skyworks Solutions, Inc. | Systems and methods for duplexer circuits having signal cancellation paths |
| TWI833459B (en) * | 2022-11-22 | 2024-02-21 | 啓碁科技股份有限公司 | Wireless communication circuit and transport device for sending rescue message |
Family Cites Families (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6438365B1 (en) | 1998-06-02 | 2002-08-20 | Philsar Semiconductor Inc. | Balanced mixer with feedback pre-amplifier |
| CA2289823C (en) | 1999-11-15 | 2004-07-06 | Philsar Semiconductor Inc. | Complex filtering/agc radio receiver architecture for low-if or zero-if |
| CA2298310C (en) | 2000-02-09 | 2003-07-29 | James A. Cherry | Low-voltage transconductance amplifier/filters |
| US6788151B2 (en) | 2002-02-06 | 2004-09-07 | Lucent Technologies Inc. | Variable output power supply |
| US7496339B2 (en) | 2005-05-10 | 2009-02-24 | Skyworks Solutions, Inc. | Amplitude calibration element for an enhanced data rates for GSM evolution (EDGE) polar loop transmitter |
| US8140028B2 (en) | 2007-05-10 | 2012-03-20 | Skyworks Solutions, Inc. | Low noise RF driver |
| JP2012004882A (en) | 2010-06-17 | 2012-01-05 | Panasonic Corp | Modulation power supply circuit |
| US9588529B2 (en) | 2010-09-03 | 2017-03-07 | Skyworks Solutions, Inc. | High-voltage tolerant voltage regulator |
| US9189430B2 (en) | 2011-01-14 | 2015-11-17 | Skyworks Solutions, Inc. | Apparatus and methods for serial interfaces |
| US8803605B2 (en) | 2011-02-01 | 2014-08-12 | Mediatek Singapore Pte. Ltd. | Integrated circuit, wireless communication unit and method for providing a power supply |
| WO2012125504A2 (en) | 2011-03-11 | 2012-09-20 | Skyworks Solutions, Inc. | Dual mode serial/parallel interface and use thereof in improved wireless devices and switching components |
| US8718188B2 (en) | 2011-04-25 | 2014-05-06 | Skyworks Solutions, Inc. | Apparatus and methods for envelope tracking |
| JP2013005209A (en) | 2011-06-16 | 2013-01-07 | Panasonic Corp | Modulated power circuit |
| US9083455B2 (en) | 2011-08-30 | 2015-07-14 | Skyworks Solutions, Inc. | Reduced clock feed-through systems, methods and apparatus |
| US8786371B2 (en) | 2011-11-18 | 2014-07-22 | Skyworks Solutions, Inc. | Apparatus and methods for voltage converters |
| WO2013119587A1 (en) | 2012-02-09 | 2013-08-15 | Skyworks Solutions, Inc. | Apparatus and methods for envelope tracking |
| GB2500705B (en) * | 2012-03-30 | 2019-04-17 | Snaptrack Inc | Dynamic characterisation of amplifier AM-PM distortion |
| US8824978B2 (en) | 2012-10-30 | 2014-09-02 | Eta Devices, Inc. | RF amplifier architecture and related techniques |
| GB2517497B (en) | 2013-08-23 | 2020-10-28 | Snaptrack Inc | Improved Supply Modulator |
| US9065509B1 (en) * | 2014-01-09 | 2015-06-23 | Mediatek Inc. | Methods and apparatus for envelope tracking system |
| KR101467230B1 (en) | 2014-02-14 | 2014-12-01 | 성균관대학교산학협력단 | Multi-mode bias modulator and envelope tracking power amplifier using the same |
| DE102014104371A1 (en) * | 2014-03-28 | 2015-10-01 | Intel IP Corporation | An apparatus and method for amplifying a transmit signal or for determining values of a delay control parameter |
| US9774300B2 (en) | 2014-07-23 | 2017-09-26 | Skyworks Solutions, Inc. | Transformer-based doherty power amplifier |
| US9831834B2 (en) | 2014-07-29 | 2017-11-28 | Skyworks Solutions, Inc. | Envelope tracking with low frequency loss correction |
| US9445371B2 (en) | 2014-08-13 | 2016-09-13 | Skyworks Solutions, Inc. | Apparatus and methods for wideband envelope tracking systems |
| US9991856B2 (en) | 2014-09-25 | 2018-06-05 | Skyworks Solutions, Inc. | Variable load power amplifier supporting dual-mode envelope tracking and average power tracking performance |
| US9438172B2 (en) | 2014-09-29 | 2016-09-06 | Intel IP Corporation | Digital multi-level envelope tracking for wide-bandwidth signals |
| JP2016149743A (en) | 2015-02-15 | 2016-08-18 | スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. | Power amplifier reduced in size through elimination of matching network |
| US20170005626A1 (en) | 2015-06-30 | 2017-01-05 | Skyworks Solutions, Inc. | Cascade amplifier linearization in a radio frequency system |
| US9912297B2 (en) | 2015-07-01 | 2018-03-06 | Qorvo Us, Inc. | Envelope tracking power converter circuitry |
| US9806676B2 (en) | 2015-07-28 | 2017-10-31 | Skyworks Solutions, Inc. | Power amplification system with programmable load line |
| US10270394B2 (en) | 2015-12-30 | 2019-04-23 | Skyworks Solutions, Inc. | Automated envelope tracking system |
| US10181820B2 (en) | 2016-05-17 | 2019-01-15 | Skyworks Solutions, Inc. | Power amplification system with envelope-based bias |
| US10110169B2 (en) | 2016-09-14 | 2018-10-23 | Skyworks Solutions, Inc. | Apparatus and methods for envelope tracking systems with automatic mode selection |
| US10381983B2 (en) | 2016-11-11 | 2019-08-13 | Skyworks Solutions, Inc. | Envelope tracking for high power amplifiers |
| KR102644277B1 (en) * | 2016-11-25 | 2024-03-06 | 삼성전자주식회사 | Supply modulator and communicating device including the same |
| US10477550B2 (en) | 2016-11-30 | 2019-11-12 | Skyworks Solutions, Inc. | Front-end modules for carrier aggregation |
| US11190182B2 (en) | 2017-02-13 | 2021-11-30 | Skyworks Solutions, Inc. | Control circuitry for silicon-on-insulator chip |
| US10361659B2 (en) | 2017-03-22 | 2019-07-23 | Intel IP Corporation | Power envelope tracker and adjustable strength DC-DC converter |
| US10236831B2 (en) | 2017-05-12 | 2019-03-19 | Skyworks Solutions, Inc. | Envelope trackers providing compensation for power amplifier output load variation |
| US10404166B2 (en) | 2017-05-31 | 2019-09-03 | Skyworks Solutions, Inc. | System efficiency improvement for cellular signals |
| US10615757B2 (en) | 2017-06-21 | 2020-04-07 | Skyworks Solutions, Inc. | Wide bandwidth envelope trackers |
| US10516368B2 (en) | 2017-06-21 | 2019-12-24 | Skyworks Solutions, Inc. | Fast envelope tracking systems for power amplifiers |
| KR102004803B1 (en) | 2017-08-24 | 2019-10-01 | 삼성전기주식회사 | Envelope tracking bias circuit |
| US10673385B2 (en) * | 2017-11-08 | 2020-06-02 | Mediatek Inc. | Supply modulator, modulated power supply circuit, and associated control method |
| US10804867B2 (en) | 2017-11-13 | 2020-10-13 | Skyworks Solutions, Inc. | Quadrature amplifier having envelope control |
| US10826570B2 (en) | 2018-05-31 | 2020-11-03 | Skyworks Solutions, Inc. | Apparatus and methods for multi-antenna communications |
| US10972055B2 (en) | 2018-06-15 | 2021-04-06 | Skyworks Solutions, Inc. | Integrated doherty power amplifier |
| US10749512B2 (en) | 2018-10-08 | 2020-08-18 | Skyworks Solutions, Inc. | Switch control circuitry |
| US11038471B2 (en) | 2018-11-20 | 2021-06-15 | Skyworks Solutions, Inc. | Envelope tracking system with modeling of a power amplifier supply voltage filter |
| KR102656703B1 (en) * | 2019-01-03 | 2024-04-11 | 삼성전자주식회사 | A power supply modulator and an wireless communication apparatus including the same |
| US11082021B2 (en) | 2019-03-06 | 2021-08-03 | Skyworks Solutions, Inc. | Advanced gain shaping for envelope tracking power amplifiers |
| US11374538B2 (en) | 2019-04-09 | 2022-06-28 | Skyworks Solutions, Inc. | Apparatus and methods for envelope tracking |
| US11223324B2 (en) | 2019-09-27 | 2022-01-11 | Skyworks Solutions, Inc. | Multi-level envelope tracking with analog interface |
| US11677356B2 (en) * | 2020-02-19 | 2023-06-13 | Samsung Electronics Co., Ltd. | Supply modulator and wireless communication apparatus including the same |
| US20220014152A1 (en) * | 2020-07-10 | 2022-01-13 | Skyworks Solutions, Inc. | Power amplifiers with supply capacitor switching |
| KR20220102902A (en) * | 2021-01-14 | 2022-07-21 | 삼성전자주식회사 | Supply modulator and wireless communication apparatus including the same |
-
2020
- 2020-09-23 US US16/948,543 patent/US11223324B2/en active Active
- 2020-09-25 GB GB2319705.6A patent/GB2622522A/en active Pending
- 2020-09-25 JP JP2022518986A patent/JP2022549331A/en active Pending
- 2020-09-25 GB GB2204021.6A patent/GB2602593B/en active Active
- 2020-09-25 WO PCT/US2020/052697 patent/WO2021062141A1/en active Application Filing
- 2020-09-25 CN CN202080067337.8A patent/CN114514697A/en active Pending
- 2020-09-25 KR KR1020227013987A patent/KR20220070009A/en unknown
- 2020-09-25 DE DE112020003995.1T patent/DE112020003995T5/en active Pending
- 2020-09-25 GB GB2402752.6A patent/GB2624805A/en active Pending
-
2021
- 2021-11-30 US US17/456,955 patent/US11658615B2/en active Active
-
2023
- 2023-04-14 US US18/300,726 patent/US11973467B2/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2602593A (en) | Multi-level envelope tracking with analog interface | |
| US10461640B2 (en) | Switching power converter | |
| EP2002558B1 (en) | High efficiency converter providing switching amplifier bias | |
| JPWO2021062141A5 (en) | Envelope tracking system, envelope tracker and mobile device | |
| US4752747A (en) | Device for increasing the output power of a low-tension operated radio set, particularly of the car radio set type | |
| US9344045B2 (en) | Amplifier and method of amplifying a differential signal | |
| US8008969B1 (en) | Single supply class-D amplifier | |
| GB2602594A (en) | Multi-level envelope tracking systems with separate DC and AC paths | |
| US10044326B2 (en) | Method of generating a pulse width modulation (PWM) signal for an analog amplifier, and a related pulse width modulator | |
| JP2014518479A (en) | Power supply generator with noise rejection | |
| WO2018194970A1 (en) | Calibration for amplifier with configurable final output stage | |
| WO2020081220A1 (en) | Chopped triangular wave pwm quantizer and pwm modulator having quantizer with controllable analog gain and calibratable for multi-non-ideal gain-affecting characteristics | |
| US6078214A (en) | High efficiency class DB power amplifier | |
| JPWO2021061855A5 (en) | Envelope tracking system, mobile device, and method of envelope tracking | |
| US10193505B2 (en) | Configurable control loop topology for a pulse width modulation amplifier | |
| GB2561251A (en) | Switching in an audio system with multiple playback paths | |
| CN202586876U (en) | Difference frequency elimination circuit, pulse width modulation signal generation circuit and amplifier circuit | |
| US20150155841A1 (en) | Two-Stage Operational Amplifier in Class AB | |
| US10663531B2 (en) | Digital short detection method of class D amplifier | |
| US20230110804A1 (en) | Low voltage system for audio amplifiers | |
| CN110603731B (en) | Switching in an amplifier with configurable final output stage | |
| CN202721728U (en) | Mobile phone and audio amplification output circuit thereof | |
| CN111464141A (en) | Digital audio power amplifier and electronic equipment | |
| CN219642137U (en) | Reference voltage circuit, power management integrated circuit, driving module and display device | |
| CN209748505U (en) | Audio amplification circuit |