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VXI Synchro/Resolver Simulation & Measurement

NAI’s 65CS4 is a Synchro/Resolver Simulation & Measurement Instrument on a single-slot VXI board. The board incorporates up to four Synchro/Resolver measurement channels and up to four instrument-grade Synchro/Resolver simulation channels, or up to eight embedded grade Synchro/Resolver simulation channels that can be used independently and/or simultaneously.

The internal modular DSP design of this multichannel, embedded grade instrument features a motherboard that can be populated with up to two daughter cards. Each daughter card, either instrument grade or embedded grade, can be populated with S/D, D/S, or REF modules, depending on the grade type. The 65CS4 is ideally suited for defense, commercial aerospace, and industrial applications.

  • Multiple functions on a single-slot VXI card
  • 0.005° instrument grade measurement accuracy
  • 0.005° instrument grade stimulus accuracy
  • 0.015° converter grade stimulus accuracy
  • 47 Hz to 4,000 Hz (for 47 Hz to 10 kHz or 20 kHz, contact factory)
  • Programmable output voltages
  • 2.2 VA outputs
  • Up to six on-board 2.2 VA reference generators
  • Simultaneous and independent measurement and simulation
  • Single- or multi-speed programmable for measurement and simulation
  • Programmable multi-speed ratios (2 to 255)
  • Galvanic isolation (500 V)
  • Auto-calibration
  • Self-test capability
  • Dynamic address configuration
  • VXI bus data rate of 2 megabytes/sec
  • Data processed within 100 ms
  • No adjustments or trimming required


The 65CS4 includes SSKs to support multiple operating systems. In addition, SSKs are supplied with source code and board-specific library I/O APIs to facilitate system integration.

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