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Jackson Research
 
IntelligentMagnetics™ Encoders
Industrial/Aerospace/Military Specifications
Designs by the inventor of the Slotless Wide Airgap Motor
Permanent Magnet Solid State Encoders / Synchros / Resolvers
Encoder Test Setup
Encoders

Jackson Research encoder technologies are interchangeable devices with choices of pole counts and shaft hole sizes. They can be furnished in several grades of precision. All units are designed for harsh environments. Specialized permanent magnets provide stable accurate reliable operation over the entire temperature range. Simple encoder winding alignment during assembly is achieved by rotation of the encoder housing with the encoder magnet fixed to the shaft.

Features include:

  • Phase Angle Resolution to +/- 0.01 Degrees
  • Typical Bandwidths to 10KHz
  • Interchangeable Housings
  • Neutralized Flutter
  • Thermally compensated
  • Near and Far Field Shielding
  • Submersible

These proprietary devices are fully solid state. No sine wave inputs are necessary. Demodulation is no longer required. All Synchro/Resolvers outputs are pure sine waves in real time. Any latency or phase delays are within the device resolution and are not measureable.

 

Resolution
Resolution can never be better than the A/D converters used in the DSP MCU. Phase Angle Meters
Resolution
N in Bits
2N
LSB as % of
Full Scale
Degrees
per Bit
Minutes
per Bit
Radians
per Bit
8
256 
0.39062500
1.4062500
84.37500 
0.02454369
9
512 
0.19531250
0.7031250
42.18750 
0.01227185
10
1,024 
0.09765625
0.3515625
21.09375 
0.00613592
11
2,048 
0.04882813
0.1757813
10.54688 
0.00306796
12
4,096 
0.02441406
0.0878906
5.27344 
0.00153398
13
8,192 
0.01220703
0.0439453
2.63682 
0.00076699
14
16,384 
0.00610352
0.0219727
1.31836 
0.00038350
15
32,768 
0.00305176
0.0109863
0.65918 
0.00019175
16
65,536 
0.00152588
0.0054932
0.32959 
0.00009587