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35
PART NO: 860029-001
Last Revised 01/06/15
APPENDIX C:
Output Filter Characteristics of the KD-5100
Applications utilizing the KD-5100 as the displacement feedback in closed loop systems
generally require information about the gain and phase delay vs. frequency. The output filter
largely controls these KD-5100 characteristics in most applications
.
Output Filter Schematic
The output filter is a standard 2 pole Butterworth configuration. It is set for a cutoff frequency
(-3 dB) of approximately 23 kHz.
Output Filter Schematic
Analysis Results
The filter was analyzed using Micro-Cap V. The plot and table below show the magnitude (dB)
and phase (degrees) output for the standard configuration in the KD-5100. The –3 dB point is at
about 23 kHz. There is a small gain of 1.59 (about +4 dB) in the circuit.
