Chipangizocho ndi silicon avalanche photodiode module yokhala ndi magawo anayi ofanana, omwe ali ndi makina opangira preamplifier, omwe amatha kukulitsa chizindikiro chofooka chamakono ndikuchisintha kukhala chizindikiro chamagetsi, pozindikira njira yosinthira "optical-electrical-signal amplification".