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Dosimeter Readout

Application: The Dosimeter Readout is used in conjunction with a RADFET to determine the accumulated dose during space missions.

Related parts:

  • RADFETs. MOSFET transistor designed for radiation detection. The Dosimeter Readout can be used with most RADFETs.
  • PnP Dosimeter. Plug-and-Play dosimeter based on the Dosimeter Readout and Air Force protocols and form factors. Used in PnP satellites to radically shorten satellite assembly times.

Output signal as a function of dose.

Key features:

  • Two operating modes - low and high sensitivity. In low sensitivity mode, chip can be un-powered and still accumulate dose.
  • All readout circuitry (RADFET drive current, buffer amplifier, gate bias) is on the chip. Monolithic design improves signal to noise ratio and reduces part count.
  • Output signal range and offset can be scaled via external resistors.
  • Built-in temperature monitor.
  • Available as play-and-play instrument that meets the AFRL Space Plug-and-Play Avionics (SPA) standards.
  • Rad hard.

 

The Dosimeter Readout is offered in a 14-pin ceramic package. Size is .225"x.225"x.06".

Benefits:

  • Extremely compact. Makes it easy to integrate a dosimeter with satellite payload or electronics.

Status: The Dosimeter Readout has been fabricated and tested electrically and with radiation. Additional tests are planned in late 2009 and early 2010.

Available for purchase:

  • Die
  • Packaged parts

Subject to ITAR control: Yes

Additional Information will be provided upon request.

 

 

 
 
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