PDA6100Q Four-Quadrant Photodiode Sensor

Explore light-position sensing with a PDA6100Q four-quadrant photodiode component.

✅ Compare light across four areas - Separate sensitive quadrants provide the basis for a compatible position-comparison circuit.

✅ Build a direction-sensitive experiment - Relative quadrant responses can support an appropriately designed light-tracking project.

Turn quadrant responses into position information

A quadrant photodiode divides its sensitive area so an external circuit can compare the responses. That comparison can be used in a suitable optical alignment or tracking experiment.

The component needs appropriate current measurement and processing circuitry. Optical geometry, bias and calibration determine the result; this is a bare sensor component rather than a complete solar tracker or calibrated position instrument.

Technical details

• Device: PDA6100Q
• Type: four-quadrant photodiode, COB/bare-chip format
• Spectral range described: 400-1100 nm
• Peak sensitivity reference: 940 nm
• Central inactive gap described: 0.4 mm
• External analogue circuitry required

Build a quadrant-light sensing experiment around the matching analogue front end.