Chishandiso ichi silicon avalanche photodiode module ine mana akafanana mauniti, ine yakavakirwa-mukati preamplifier wedunhu, iyo inogona kukwidziridza isina simba yazvino chiratidzo nekuishandura kuita voltage chiratidzo kubuda, uchiona iyo "optical-electrical-signal amplification" kushandura maitiro.