Electrometric direct current I/V converter with wide bandwidth

Holt, Stephen and Skyba, Peter (2012) Electrometric direct current I/V converter with wide bandwidth. Review of Scientific Instruments, 83 (6). ISSN 0034-6748

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A principle of operation and electrical characteristics of a high frequency current-to-voltage (I/V) converter are presented. The I/V converter measures the electric current with selectable gains of 10(5), 10(4), and 10(3) V/A in the frequency range from DC to 500 kHz, 1.2 MHz, and 2.4 MHz, respectively. These properties make this I/V converter suitable for wide range of applications such as tuning forks, torsion oscillators, ultrasound transducers measurements, detection of the piezoelectric transducers used in STM techniques, etc., in low temperature physics. The influence of the input impedance of a I/V converter on the precision of alternating current measurements is also discussed.

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Journal Article
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Review of Scientific Instruments
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21 Oct 2015 05:02
Last Modified:
16 Sep 2023 01:14