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Title: Bipolar Logarithmic Amplifier for the Measurement of Point Discharge Currents & Potential Gradients in Atmosphere
Authors: Rao, A Madhusudhana
Patnaik, J. K.
Issue Date: Jun-1973
Publisher: NISCAIR-CSIR, India
Abstract: The details of an electronic instrument, viz. bipolar logarithmic amplifier that can efficiently measure point discharge currents associated with positive and negative potential gradients are described. The device uses a reversely biased double diode (6H6) valve for the measurement of point discharge currents and potential gradients are calculated using standard formulae. Currents in the range 10-9 10-5A for both the polarities can be measured with this device which, hence, can be used during both fair weather and disturbed conditions in the atmosphere.
Page(s): 105-106
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.02(2) [June 1973]

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