JP7377608B2 - 高性能パルス幅変調(pwm)信号を生成するためのシステム及び方法 - Google Patents
高性能パルス幅変調(pwm)信号を生成するためのシステム及び方法 Download PDFInfo
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- JP7377608B2 JP7377608B2 JP2019040454A JP2019040454A JP7377608B2 JP 7377608 B2 JP7377608 B2 JP 7377608B2 JP 2019040454 A JP2019040454 A JP 2019040454A JP 2019040454 A JP2019040454 A JP 2019040454A JP 7377608 B2 JP7377608 B2 JP 7377608B2
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- 238000000034 method Methods 0.000 title claims description 69
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- 230000008569 process Effects 0.000 description 51
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 29
- 230000006870 function Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 238000003708 edge detection Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/017—Adjustment of width or dutycycle of pulses
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/08—Clock generators with changeable or programmable clock frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
- H03K21/08—Output circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/156—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
- H03K5/1565—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern the output pulses having a constant duty cycle
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
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Description
Claims (2)
- システムメモリ素子に通信可能に結合されたプロセッサによってパルス幅変調(PWM)信号を生成するための方法であって、
前記プロセッサによってデータ入力ベクトルを受信することと、
前記データ入力ベクトルを粗調整入力信号及び微調整入力信号に分割することと、
前記プロセッサによって、
前記粗調整入力信号を使用して典型的なPWM発生器動作を実行し、粗調整PWM出力信号を生成することにより、低速クロック速度を使用して前記粗調整PWM出力信号を計算することであって、
前記典型的なPWM発生器動作は、前記粗調整入力信号を使用する、少なくともコンパレータ動作及び増分カウンタ動作を含んで、前記粗調整PWM出力信号を生成する、ことと、
前記プロセッサによって、
前記微調整入力信号を1の増加する連続表現を含むサーモメータコードセットに変換することにより、前記微調整入力信号を修正して、前記修正された微調整入力信号を生成することであって、前記修正された微調整入力信号は前記サーモメータコードセットを含む、ことと、
前記プロセッサによって、前記修正された微調整入力信号に基づいて、高速クロック速度を使用して前記粗調整PWM出力信号に対する微調整を実行することと、
前記プロセッサによって、前記微調整に基づいて、分解能の増加したPWM出力信号を生成することと、を含み、
前記修正された微調整入力信号に基づいて、高速クロック速度を使用して前記粗調整PWM出力信号に対する微調整を実行することは、
前記粗調整PWM出力信号及び前記修正された微調整入力信号を受信することであって、前記粗調整PWM出力信号及び前記修正された微調整入力信号は、前記低速クロック速度を使用して事前計算された、ことと、
論理右シフト又は論理左シフトを実行することにより前記微調整入力信号の1ビットをシフトして、ビットシフトされた微調整信号を生成することと、
前記粗調整PWM出力信号及び前記ビットシフトされた微調整信号を使用して論理OR動作を実行し、前記分解能の増加したPWM出力信号を生成することと、を含む、方法。 - 前記微調整入力信号を修正して、前記修正された微調整入力信号を生成することは、
前記微調整入力信号を、前記1の増加する連続表現を含む立ち下がりエッジサーモメータコードセット、又は前記1の増加する連続表現を含む立ち上がりエッジサーモメータコードセットに変換することを更に含み、
前記修正された微調整入力信号は、前記立ち下がりエッジサーモメータコードセット又は前記立ち上がりエッジサーモメータコードセットを含む、請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/918,317 US10367480B1 (en) | 2018-03-12 | 2018-03-12 | Systems and methods for generating high performance pulse width modulation (PWM) signals |
US15/918,317 | 2018-03-12 |
Publications (2)
Publication Number | Publication Date |
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JP2019161648A JP2019161648A (ja) | 2019-09-19 |
JP7377608B2 true JP7377608B2 (ja) | 2023-11-10 |
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JP2019040454A Active JP7377608B2 (ja) | 2018-03-12 | 2019-03-06 | 高性能パルス幅変調(pwm)信号を生成するためのシステム及び方法 |
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US (1) | US10367480B1 (ja) |
EP (1) | EP3540944A1 (ja) |
JP (1) | JP7377608B2 (ja) |
Families Citing this family (1)
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CN112362928A (zh) * | 2020-09-16 | 2021-02-12 | 天津大学 | 一种可同步测量的高精度可编程脉冲产生系统及方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2009125580A1 (ja) | 2008-04-11 | 2009-10-15 | 株式会社アドバンテスト | ループ型クロック調整回路および試験装置 |
WO2011161860A1 (ja) | 2010-06-21 | 2011-12-29 | パナソニック株式会社 | 周波数シンセサイザ |
US20130194051A1 (en) | 2012-01-26 | 2013-08-01 | Rf Micro Devices, Inc. | Analog-digital pulse width modulator (adpwm) |
Family Cites Families (14)
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US4165490A (en) * | 1977-12-19 | 1979-08-21 | International Business Machines Corporation | Clock pulse generator with selective pulse delay and pulse width control |
GB2144005B (en) * | 1983-07-28 | 1986-10-22 | Rca Corp | Digital-to-analog converter useful in a television receiver |
CA1242770A (en) | 1985-08-06 | 1988-10-04 | Mosaid Technologies Inc. | Edge programmable timing signal generator |
JP2841901B2 (ja) * | 1991-03-22 | 1998-12-24 | 富士電機株式会社 | Pwm信号演算回路 |
US6101197A (en) | 1997-09-18 | 2000-08-08 | Micron Technology, Inc. | Method and apparatus for adjusting the timing of signals over fine and coarse ranges |
US6466087B2 (en) * | 2000-12-28 | 2002-10-15 | Nokia Mobile Phones, Ltd. | Method and apparatus providing digital error correction for a class D power stage |
US20050129139A1 (en) * | 2003-12-03 | 2005-06-16 | Jones Aled W. | Tag tracking |
US7432752B1 (en) | 2007-04-24 | 2008-10-07 | National Semiconductor Corporation | Duty cycle stabilizer |
US7714626B2 (en) | 2007-06-28 | 2010-05-11 | Microchip Technology Incorporated | System, method and apparatus having improved pulse width modulation frequency resolution |
JP5165463B2 (ja) | 2008-05-28 | 2013-03-21 | ルネサスエレクトロニクス株式会社 | Pwm制御装置及びパルス波形制御方法 |
EP2128990B1 (en) * | 2008-05-28 | 2013-03-06 | Siemens Aktiengesellschaft | A method and circuit for converting an N-bit digital value into an analog value |
US9337820B1 (en) | 2015-02-23 | 2016-05-10 | Qualcomm Incorporated | Pulse width recovery in clock dividers |
US9584105B1 (en) | 2016-03-10 | 2017-02-28 | Analog Devices, Inc. | Timing generator for generating high resolution pulses having arbitrary widths |
US9787313B1 (en) * | 2016-05-19 | 2017-10-10 | Xilinx, Inc. | Precision pulse generation using a serial transceiver |
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2018
- 2018-03-12 US US15/918,317 patent/US10367480B1/en active Active
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2019
- 2019-03-06 JP JP2019040454A patent/JP7377608B2/ja active Active
- 2019-03-11 EP EP19162048.3A patent/EP3540944A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009125580A1 (ja) | 2008-04-11 | 2009-10-15 | 株式会社アドバンテスト | ループ型クロック調整回路および試験装置 |
US20110089983A1 (en) | 2008-04-11 | 2011-04-21 | Advantest Corporation | Loop type clock adjustment circuit and test device |
WO2011161860A1 (ja) | 2010-06-21 | 2011-12-29 | パナソニック株式会社 | 周波数シンセサイザ |
US20120139654A1 (en) | 2010-06-21 | 2012-06-07 | Panasonic Corporation | Frequency synthesizer |
US20130194051A1 (en) | 2012-01-26 | 2013-08-01 | Rf Micro Devices, Inc. | Analog-digital pulse width modulator (adpwm) |
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US10367480B1 (en) | 2019-07-30 |
EP3540944A1 (en) | 2019-09-18 |
JP2019161648A (ja) | 2019-09-19 |
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