GB914528A - Improvements in or relating to electrical measuring apparatus - Google Patents
Improvements in or relating to electrical measuring apparatusInfo
- Publication number
- GB914528A GB914528A GB924160A GB924160A GB914528A GB 914528 A GB914528 A GB 914528A GB 924160 A GB924160 A GB 924160A GB 924160 A GB924160 A GB 924160A GB 914528 A GB914528 A GB 914528A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gives
- stage
- loop gain
- unity
- gain
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
Abstract
914,528. Valve-amplifying circuits. WAYNE KERR LABORATORIES Ltd., and MILDWATER, J. June 15, 1961 [March 16, 1960], No. 9241/60. Class 40 (6). [Also in Group XXXVI] A two-stage unity-gain zerophase-shift amplifier, for use in an impedance-comparator circuit (see Group XXXVI), comprises a cathode follower 40 from the cathode of which the amplifier output 0 is taken. The second stage 44 is fed by the signal developed across the anode load resistor 42 and gives a phase reversal with capacitative feedback to the output 0. This gives a much higher open loop gain than would be the case with a single valve and ensures unity closed loop gain as required in the application in question.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB924160A GB914528A (en) | 1960-03-16 | 1960-03-16 | Improvements in or relating to electrical measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB924160A GB914528A (en) | 1960-03-16 | 1960-03-16 | Improvements in or relating to electrical measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB914528A true GB914528A (en) | 1963-01-02 |
Family
ID=9868146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB924160A Expired GB914528A (en) | 1960-03-16 | 1960-03-16 | Improvements in or relating to electrical measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB914528A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3221247A (en) * | 1963-02-08 | 1965-11-30 | Simmonds Precision Products | Solid state capacity servo measuring system utilizing inductive feedback |
| US3443222A (en) * | 1965-05-26 | 1969-05-06 | Wayne Kerr Co Ltd The | Means for eliminating the effects of resistances in electrical measuring apparatus |
| CN106249040A (en) * | 2016-08-19 | 2016-12-21 | 吴雯雯 | The dynamic electric voltage measuring circuit of a kind of wide scope and method |
-
1960
- 1960-03-16 GB GB924160A patent/GB914528A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3221247A (en) * | 1963-02-08 | 1965-11-30 | Simmonds Precision Products | Solid state capacity servo measuring system utilizing inductive feedback |
| US3443222A (en) * | 1965-05-26 | 1969-05-06 | Wayne Kerr Co Ltd The | Means for eliminating the effects of resistances in electrical measuring apparatus |
| CN106249040A (en) * | 2016-08-19 | 2016-12-21 | 吴雯雯 | The dynamic electric voltage measuring circuit of a kind of wide scope and method |
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