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READER 场效应管读出器

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RADFET Reader PRO

For measuring the output voltage of RADFET

The RADFET Reader PRO is a hand-held, battery-operated instrument designed for measuring the output voltage of Varadis RADFETs.

Built on a novel technology currently used in space applications, the RADFET Reader PRO offers the convenience and cost benefits of passive systems but with the added value of active dosimetry and the functionality of more expensive, 

bulkier devices.




Compatible with the following Varadis products:

The Varadis 400nm RADFET

The Varadis 100nm RADFET

The Varadis 1μm RADFET






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VT01 RADFET Readout Module RM-VT01

For optimized RADFET read-out


The RM-VT01 RADFET Read-out Module is a result of many years of experience of Varadis engineers in designing RADFET read-out circuitry.
Aimed at providing an optimized RADFET read-out and cutting customers’ development time and cost, the RM-VT01 contains the VT01 RADFET and key circuitry for its readout. The module outputs a buffered analog voltage (RADFET threshold voltage), which is related to accumulated radiation dose of the RADFET.

Due to its small size, RM-VT01 can easily be integrated into customer’s system by soldering directly onto the PCB or via a standard through-hole header connector. The threshold voltage of the RADFET is buffered for easier integration with standard analog to digital converters, significantly  simplifying customer’s electronics design. Both Read-out and Irradiation (sense) modes of RADFET operation are supported. The user can easily select the desired mode by TTL logic level control signals.