JP6447164B2 - パルス信号の伝達回路 - Google Patents
パルス信号の伝達回路 Download PDFInfo
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- JP6447164B2 JP6447164B2 JP2015009987A JP2015009987A JP6447164B2 JP 6447164 B2 JP6447164 B2 JP 6447164B2 JP 2015009987 A JP2015009987 A JP 2015009987A JP 2015009987 A JP2015009987 A JP 2015009987A JP 6447164 B2 JP6447164 B2 JP 6447164B2
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- Prior art keywords
- input terminal
- potential
- circuit
- comparator
- pulse signal
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- 230000008054 signal transmission Effects 0.000 title claims description 21
- 238000004804 winding Methods 0.000 claims description 25
- 230000003071 parasitic effect Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 description 9
- 230000005856 abnormality Effects 0.000 description 7
- 101100489717 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND2 gene Proteins 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 4
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Description
2,2a 受信回路
21,21a 内部電源
22 プシュプル回路
23 受信処理部
Q1,Q2,Q5 MOSFET
Q3,Q4 バイポーラトランジスタ
D1〜D3 ダイオード
R0,R1,R2 抵抗
C1 コンデンサ
T トランス
P 一次巻線
S 二次巻線
CP1 コンパレータ
Claims (1)
- 一次巻線と二次巻線とを有するトランスと、
電源の供給により動作して前記二次巻線の両端電圧を増幅する比較器を有し、前記比較器で増幅された電圧によりスイッチング素子をスイッチングさせる受信回路と、
前記トランスの寄生容量と前記受信回路に流れる寄生電流とに応じた補償電流を流すことにより、前記寄生電流により発生する前記比較器の入力端子の電位変動を抑制する電位変動抑制部と、
を備え、
前記電位変動抑制部は、内部電源と前記受信回路との間に接続され、前記入力端子に接続された正側端子と前記比較器の接地端子に接続される負側端子とを有し、前記入力端子の電位が所定電位以上となった場合に前記入力端子から前記正側端子を介して電流を引き込み、前記入力端子の電位が所定電位未満となった場合に前記内部電源から前記正側端子を介して前記入力端子に補償電流を流すことにより前記入力端子の電位変動を抑制するプシュプル回路を有することを特徴とするパルス信号の伝達回路。
Priority Applications (1)
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JP2015009987A JP6447164B2 (ja) | 2015-01-22 | 2015-01-22 | パルス信号の伝達回路 |
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JP2015009987A JP6447164B2 (ja) | 2015-01-22 | 2015-01-22 | パルス信号の伝達回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016134868A JP2016134868A (ja) | 2016-07-25 |
JP6447164B2 true JP6447164B2 (ja) | 2019-01-09 |
Family
ID=56464745
Family Applications (1)
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JP2015009987A Active JP6447164B2 (ja) | 2015-01-22 | 2015-01-22 | パルス信号の伝達回路 |
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JP (1) | JP6447164B2 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0327846A1 (de) * | 1988-02-10 | 1989-08-16 | Siemens Aktiengesellschaft | Schaltungsanordnung zum verzerrungsarmen Schalten von Signalen |
JP2003008668A (ja) * | 2001-06-26 | 2003-01-10 | Hitachi Ltd | 半導体集積回路 |
US6911746B2 (en) * | 2003-05-02 | 2005-06-28 | Potentia Semiconductor, Inc. | Signal and power transformer coupling arrangements |
US8582669B2 (en) * | 2008-10-30 | 2013-11-12 | Analog Devices, Inc. | Noise reduction circuit in a digital isolator system |
JP5613833B2 (ja) * | 2011-05-18 | 2014-10-29 | ルネサスエレクトロニクス株式会社 | 受信回路及び信号受信方法 |
CN102832917B (zh) * | 2012-08-21 | 2016-03-23 | 台达电子工业股份有限公司 | 开关驱动电路 |
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2015
- 2015-01-22 JP JP2015009987A patent/JP6447164B2/ja active Active
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JP2016134868A (ja) | 2016-07-25 |
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