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The KAM/CHS/03U is a compact three-user-slot Acra KAM-500 chassis, which along with the housing and backplane, includes a power supply module that regulates power supplies to the backplane (isolated 28V nominal in).  

The backplane has three connectors for user modules, which are polarized to prevent the insertion of the backplane controller module. The backplane distributes power and connects address, data, and control lines to the user modules. The only ICs on the backplane are demultiplexers for user-module select signal. Any user module can be placed in any user slot in any combination. 2.0A is available for bridge excitation.


  • Power supply unit and three user-slots
  • 18 to 40 VDC isolated power supply
  • Rugged aluminum housing
  • 8 MHz x 16-bit digital backplane
  • Operates as master or slave in distributed system
  • LED power-on indicator


  • Flight test instrumentation systems for limited spaces
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