DuBridge, Lee A. and Brown, Hart (1933) An Improved d.c. Amplifying Circuit. Review of Scientific Instruments, 4 (10). pp. 532-536. ISSN 0034-6748. doi:10.1063/1.1748993. https://resolver.caltech.edu/CaltechAUTHORS:DUBrsi33
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Abstract
The sensitivity of d.c. amplifying circuits with FP-54 tubes is limited by the stability which can be obtained. In single-tube circuits it is necessary to balance out fluctuations caused by changes in battery e.m.f. and in filament emission. Soller's circuit for balancing out e.m.f. changes has been studied in detail and a modified circuit has been developed in which the adjustments are less critical and which allows balancing out of changes in filament emission also. The latter is accomplished by balancing the plate current against the current to the space-charge grid. Details of construction and manipulation of the new circuit are given, as well as data on its stability.
| Item Type: | Article | ||||||
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| Additional Information: | © 1933 American Institute of Physics. Received July 17, 1933. | ||||||
| Issue or Number: | 10 | ||||||
| DOI: | 10.1063/1.1748993 | ||||||
| Record Number: | CaltechAUTHORS:DUBrsi33 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:DUBrsi33 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 11321 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Archive Administrator | ||||||
| Deposited On: | 31 Jul 2008 03:52 | ||||||
| Last Modified: | 08 Nov 2021 21:57 |
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