PADS · PCB Design · 04

Reading the PPG Analog Front End

I followed the feedback resistors and capacitors around the OPA2333 stages and marked each input and output. I treat the Layout capture as a saved placement view, not proof of completed routing.

PPG circuit showing OPA2333 stages and a logic buffer

What I checked first

I followed the feedback resistors and capacitors around the OPA2333 stages and marked each input and output. I treat the Layout capture as a saved placement view, not proof of completed routing.

Source view

Verified image and track references are used here.

Implementation path

Only the saved configuration and processing sequence are shown.

Key terms

  1. op-amp stage
  2. feedback
  3. decoupling
  4. signal path

Review sequence

  1. op-amp stage
  2. feedback → decoupling
  3. signal path

Official references

The PADS captures are my saved work screens. KiCad and Siemens documents are linked only when comparing equivalent concepts.

Publication first-page preview