APD Avalanche Photodiodes

APD Temperature Compensation

Bias voltage shift needed to hold gain constant as ambient temperature drifts.

Vr(T) = Vref + δ · (T - Tref)

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Variables and units	Unit	Default
Compensated operating voltage	V	160.865
Reference voltage Vref	V	159.465
Temperature coefficient δ	V/°C	0.7
Current temperature T	°C	27
Reference temperature Tref	°C	25

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Laser Selector

Item	Value	Unit	Notes

Engineering estimate based on the formula above. Verify selected parts against the current datasheet and system tolerances before production.