Linear Seven-Decade Current/Voltage-to-Frequency Converter

Linear Seven-Decade Current/Voltage-to-Frequency Converter

A current-to-frequency converter was developed for low level current measurements of wide dynamic range. It measures currents from 5 × 10-13 to 6 × 10-5 amperes without range switching and by the use of state-of-the-art circuit components. It has a corresponding linear seven-decade transfer characte...

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Veröffentlicht in:IEEE (Inst. Elec. Electron. Eng.), Trans. Nucl. Sci. NS-17: No. 1, 335-44(Feb 1970) Trans. Nucl. Sci. NS-17: No. 1, 335-44(Feb 1970), 1970, Vol.17 (1), p.335-344
1. Verfasser: Shapiro, Edward G.
Format: Artikel
Sprache:eng
Schlagworte:
Analog-digital conversion
Assembly
Current measurement
CURRENTS
Dynamic range
FREQUENCY
Frequency conversion
Frequency measurement
Integrated circuit measurements
LUMINESCENCE
LUMINESCENT DETECTORS
N26400 -Instrumentation-Miscellaneous Instruments & Components
PHOTOMULTIPLIER TUBES/current-to- frequency converter for automatic thermoluminescence readout
PHOTOMULTIPLIERS
PULSE ANALYZERS
PULSE CONVERTERS/design and performance of current-to- frequency, for photomultiplier for thermoluminescence reader
RADIATION DOSIMETERS, THERMOLUMINESCENT/readout equipment for, current-to-frequency converter for photomultiplier for automatic
RECORDING SYSTEMS
TEMPERATURE
Thermoelectricity
THERMOLUMINESCENCE
Voltage
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Beschreibung
Zusammenfassung:A current-to-frequency converter was developed for low level current measurements of wide dynamic range. It measures currents from 5 × 10-13 to 6 × 10-5 amperes without range switching and by the use of state-of-the-art circuit components. It has a corresponding linear seven-decade transfer characteristic of 10-11 amperes per Hertz with a maximum output frequency of greater than 5 × 106 Hz. The converter was designed to monitor photomultiplier tube current in an automated thermoluminescent dosimetry (TLD) system.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.1970.4325595