SBAA591 December   2023 REF54

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Flicker Noise Measurement Method
  6. 30.1 Hz to 10 Hz Band Pass Filter Design for Reference Noise Measurement
    1. 3.1 Filter Schematic
    2. 3.2 TINA - TI simulations
    3. 3.3 Component Selection
  7. 4Measurement Setup
    1. 4.1 REF54250CDR Noise Measurement Setup
  8. 5Filter Board Design
    1. 5.1 Schematic
      1. 5.1.1 Schematics Images
    2. 5.2 Layout
    3. 5.3 Bill of Materials
  9. 6References

3.2 TINA - TI simulations

The filter has been designed with a damping factor of 1, lower cutoff frequency of 0.1 Hz with roll off of 60 dB, and higher cutoff frequency is 10 Hz with 80 dB decade roll off. The pass band gain is 100 dB.

GUID-20230619-SS0I-1KTW-SFXX-B5KRLDXPXFJ5-low.svg Figure 3-3 Frequency response of band pass filter