TSBC and TRBC series

TSBC and TRBC Series - Synchro to BCD and Resolver to BCD Converters


  • Continuous Conversion-Tracking Converter
  • Unipolar 0-359.9 degrees or Bipolar +/-179.9 degrees output standard
  • One module operates from 50-1200Hz
  • Tracks up to 3500 degrees/sec
  • Insensitive to amplitude and frequency variations
  • Velocity output available
  • Input voltage can be scaled via external resistors
  • Internal transformers or Solid State Scott T
  • Scaled, BCD output available up to 9999
  • Complete synchronization to the computer
  • LED display


The TSB Series are miniature, high performance, continuous tracking, synchro or resolver to digital (BCD) converters and angle indicators employing a type 2 servo loop, designed for military and industrial control applications. They will accept any 3 wire synchro or 4 wire resolver input over a frequency range of 50 to 1200Hz. and convert it into 0 to 359.9 degrees or +/-179.9 degrees, TTL compatible BCD data.

No external modules are required and either solid state or transformer type Scott T inputs are provided internally in a 2.6 x 3.1 x.82" high module package. For long life and reliability LED readouts are used in the angle indicator.

Angular input rates of up to 3600 degrees /sec. can be tracked with no accuracy degradation and a voltage proportional to velocity is available. Data is continuous, accurate and always fresh up to the maximum input rate. Non-standard input voltages can be accomodated by the use of external scaling resistors. Also any full scale BCD data output can be supplied up to 9999.

These units are insensitive to signal and reference amplitude variations, due to the basic ratiometric conversion technique used. Accuracy applies over the operating temperature range and 883 Level B processing is available. No trimming, adjustments or calibration is required. These features make the TSB series the most versatile, easiest to use and highest accuracy units available in their price range.


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