DE2524997C3 - Schaltung zum Messen des Effektivwertes eines elektrischen Signals - Google Patents
Schaltung zum Messen des Effektivwertes eines elektrischen SignalsInfo
- Publication number
- DE2524997C3 DE2524997C3 DE2524997A DE2524997A DE2524997C3 DE 2524997 C3 DE2524997 C3 DE 2524997C3 DE 2524997 A DE2524997 A DE 2524997A DE 2524997 A DE2524997 A DE 2524997A DE 2524997 C3 DE2524997 C3 DE 2524997C3
- Authority
- DE
- Germany
- Prior art keywords
- value
- signal
- negative feedback
- output signal
- direct current
- 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.)
- Expired
Links
- 230000017525 heat dissipation Effects 0.000 claims description 23
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000001419 dependent effect Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC
- G01R19/225—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC by means of thermocouples or other heat sensitive elements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
- Measurement Of Current Or Voltage (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7408033A NL7408033A (nl) | 1974-06-17 | 1974-06-17 | Schakeling voor het meten van de effektieve waarde van een elektrisch signaal. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2524997A1 DE2524997A1 (de) | 1976-01-02 |
| DE2524997B2 DE2524997B2 (de) | 1978-05-03 |
| DE2524997C3 true DE2524997C3 (de) | 1978-12-14 |
Family
ID=19821554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2524997A Expired DE2524997C3 (de) | 1974-06-17 | 1975-06-05 | Schaltung zum Messen des Effektivwertes eines elektrischen Signals |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4023099A (enExample) |
| JP (1) | JPS5114070A (enExample) |
| CA (1) | CA1033415A (enExample) |
| DE (1) | DE2524997C3 (enExample) |
| FR (1) | FR2274926A1 (enExample) |
| GB (1) | GB1516396A (enExample) |
| IT (1) | IT1036998B (enExample) |
| NL (1) | NL7408033A (enExample) |
| SE (1) | SE409057B (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS547975A (en) * | 1977-06-20 | 1979-01-20 | Takeda Riken Ind Co Ltd | Effective value measuring circuit |
| US4257061A (en) * | 1977-10-17 | 1981-03-17 | John Fluke Mfg. Co., Inc. | Thermally isolated monolithic semiconductor die |
| GB2075694B (en) * | 1979-10-30 | 1984-03-07 | Shevchenko Viktor D | Method of measuring root-mean-square value of voltage |
| GB2263784B (en) * | 1990-01-09 | 1994-02-16 | Richard George Vivian Doble | High frequency measuring circuit |
| US5376880A (en) * | 1993-03-30 | 1994-12-27 | At&T Corp. | Method and apparatus for measuring the average power in an electric signal |
| US5999059A (en) * | 1998-01-02 | 1999-12-07 | Thomas & Betts International, Inc. | Wideband CATV amplifier with microprocessor-based slope and gain control |
| KR101373005B1 (ko) * | 2008-01-04 | 2014-03-14 | 삼성전자주식회사 | 입력 신호 레벨 검출 장치 및 방법 |
| CN101738522B (zh) * | 2008-11-20 | 2011-10-26 | 漳州国绿太阳能科技有限公司 | 温度对比法检测交、直流电流的控制电路 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2857569A (en) * | 1956-04-19 | 1958-10-21 | Daystrom Inc | Thermal converter |
| US3624525A (en) * | 1969-11-20 | 1971-11-30 | Hewlett Packard Co | True rms converter |
-
1974
- 1974-06-17 NL NL7408033A patent/NL7408033A/xx not_active Application Discontinuation
-
1975
- 1975-06-05 DE DE2524997A patent/DE2524997C3/de not_active Expired
- 1975-06-11 US US05/585,834 patent/US4023099A/en not_active Expired - Lifetime
- 1975-06-13 GB GB25369/75A patent/GB1516396A/en not_active Expired
- 1975-06-13 SE SE7506778A patent/SE409057B/xx not_active IP Right Cessation
- 1975-06-13 IT IT50057/75A patent/IT1036998B/it active
- 1975-06-13 CA CA229,306A patent/CA1033415A/en not_active Expired
- 1975-06-17 JP JP50072798A patent/JPS5114070A/ja active Granted
- 1975-06-17 FR FR7518898A patent/FR2274926A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS552030B2 (enExample) | 1980-01-18 |
| DE2524997A1 (de) | 1976-01-02 |
| US4023099A (en) | 1977-05-10 |
| FR2274926A1 (fr) | 1976-01-09 |
| SE409057B (sv) | 1979-07-23 |
| IT1036998B (it) | 1979-10-30 |
| CA1033415A (en) | 1978-06-20 |
| GB1516396A (en) | 1978-07-05 |
| FR2274926B1 (enExample) | 1980-04-30 |
| NL7408033A (nl) | 1975-12-19 |
| DE2524997B2 (de) | 1978-05-03 |
| SE7506778L (sv) | 1975-12-18 |
| JPS5114070A (en) | 1976-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |