JP4324587B2 - ソース測定回路 - Google Patents
ソース測定回路 Download PDFInfo
- Publication number
- JP4324587B2 JP4324587B2 JP2005339091A JP2005339091A JP4324587B2 JP 4324587 B2 JP4324587 B2 JP 4324587B2 JP 2005339091 A JP2005339091 A JP 2005339091A JP 2005339091 A JP2005339091 A JP 2005339091A JP 4324587 B2 JP4324587 B2 JP 4324587B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- current
- error amplifier
- 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.)
- Active
Links
- 238000005259 measurement Methods 0.000 title claims description 10
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012358 sourcing Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2836—Fault-finding or characterising
- G01R31/2839—Fault-finding or characterising using signal generators, power supplies or circuit analysers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
- Amplifiers (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
52 デバイス
54 センスインピーダンス
56 エラー増幅器
58 ファンクションスイッチ
60、62 電圧源
64 フローティングバッファー
66、68 電源
72 オペアンプ
74、76 抵抗器
78 電圧制御ループ端子
80 電流制御ループ端子
82、84 測定装置
86 ボードプロット
87 回路
88 フローティングバッファー
90 フローティング電源
92 バッファ
Claims (4)
- 1つのデバイスを通る電流を制御して該デバイスの両端間の電圧の測定を可能にし、或いは該デバイスの両端間の電圧を制御して該デバイスを通る電流の測定を可能にするための回路であって、前記回路は、前記デバイスと直列に組み合わされたセンスインピーダンスと、前記制御される電流又は電圧を制御するために選択可能であって前記制御のためにエラー信号を提供するエラー増幅器と、前記エラー増幅器から提供される前記エラー信号に応答して前記デバイスと前記センスインピーダンスとの直列組み合わせを駆動するフローティングバッファーとから成り、前記フローティングバッファーは、出力と前記出力に応答して確立された基準上で浮動するフローティング用電力源とを有し、前記フローティングバッファーは、前記出力と共に移動する動作点付近で動作する回路。
- 請求項1に記載の回路であって、前記デバイスの両端間に入力が接続されて前記エラー増幅器に出力が接続され前記電圧制御のために電圧制御信号を前記エラー増幅器に提供する反転回路を更に含んでおり、前記電圧制御信号は前記デバイスの両端間の前記電圧とは反転された関係にある回路。
- 請求項1に記載の回路であって、前記エラー増幅器に出力が接続され前記電流制御のために電流制御信号を前記エラー増幅器に提供する回路を更に含んでおり、前記電流制御信号は前記デバイスを通る前記電流に対応する回路。
- 請求項1に記載の回路であって、前記デバイスを通る前記電流又は前記デバイスの両端間の前記電圧を測定するための信号振幅測定装置を更に含む回路。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/068,120 US7202676B2 (en) | 2005-02-28 | 2005-02-28 | Source measure circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006242936A JP2006242936A (ja) | 2006-09-14 |
JP4324587B2 true JP4324587B2 (ja) | 2009-09-02 |
Family
ID=36931453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005339091A Active JP4324587B2 (ja) | 2005-02-28 | 2005-11-24 | ソース測定回路 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7202676B2 (ja) |
JP (1) | JP4324587B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2623257A1 (en) * | 2008-02-29 | 2009-08-29 | Scanimetrics Inc. | Method and apparatus for interrogating an electronic component |
US7906977B1 (en) * | 2008-03-24 | 2011-03-15 | Keithley Instruments, Inc. | Dual output stage source measure circuit |
US7923985B2 (en) * | 2008-05-01 | 2011-04-12 | Keithley Instruments, Inc. | Active autoranging current sensing circuit |
US8779777B2 (en) * | 2010-06-04 | 2014-07-15 | Linear Technology Corporation | Dynamic compensation of aging drift in current sense resistor |
US9453880B2 (en) | 2014-01-24 | 2016-09-27 | Keithley Instruments, Inc. | Active shunt source-measure unit (SMU) circuit |
US11054444B2 (en) * | 2016-12-21 | 2021-07-06 | Qualitau, Inc. | System and method for limiting voltage |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3624418A (en) * | 1969-12-17 | 1971-11-30 | Control Data Corp | Push-pull floating driver |
NL8103572A (nl) * | 1981-07-29 | 1983-02-16 | Philips Nv | Drijverschakeling. |
JP2609232B2 (ja) * | 1986-09-04 | 1997-05-14 | 日本ヒューレット・パッカード株式会社 | フローテイング駆動回路 |
US6262670B1 (en) * | 1998-04-10 | 2001-07-17 | Kevin R. Ballou | Source measure unit having secondary feedback for eliminating transients during range changing |
JP2004219126A (ja) * | 2003-01-10 | 2004-08-05 | Agilent Technologies Japan Ltd | 電流レンジを自動的に変更する方法 |
-
2005
- 2005-02-28 US US11/068,120 patent/US7202676B2/en active Active
- 2005-11-24 JP JP2005339091A patent/JP4324587B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US7202676B2 (en) | 2007-04-10 |
JP2006242936A (ja) | 2006-09-14 |
US20060192571A1 (en) | 2006-08-31 |
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