AN AMPLIFIER FOR MEASURING SMALL CURRENTS
- 1 August 1930
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 1 (8) , 466-470
- https://doi.org/10.1063/1.1748716
Abstract
An amplifier is described which uses a four electrode tube of the ordinary type, and gives maximum current sensitivities of the order of 10−18 amperes. A novel feature consists in using as grid leak the positive ion emission of the filament.Keywords
This publication has 5 references indexed in Scilit:
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- XXXIII.The application of a valve amplifier to the measurement of X-ray and photo-electric effectsJournal of Computers in Education, 1928
- A Valve Amplifier for Ionisation CurrentsMathematical Proceedings of the Cambridge Philosophical Society, 1927
- Über Verstärkung von photoelektrischen und Ionisationsströmen mittels der ElektronenröhreAnnalen der Physik, 1923
- The Measurement of Ionisation Currents by Three-electrode ValvesNature, 1921