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PIN PHOTODIODE

Photonics Spectra
May 2004
Hamamatsu CorporationRequest Info
 
PIN PHOTODIODE The G-9287-14 receiver optical subassembly (ROSA) launched by Hamamatsu Corp. is designed for 850-nm SDH and SONET applications. It has a 10-Gb/s response time to meet the bandwidth requirements of most fiber optic networks. Sensitivity is typically +2 to –12.5 dBm, and typical differential transimpedance is 5.5 k(omega) at 100 MHz. Photosensitivity is 0.45 A/W, typical, and optical return loss is 14 dB. A GaAs PIN photodiode with a preamplifier is integrated into a single housing to optimize performance. The device requires 3.3 V and operates from 0 to 70 °C. The standard 1.25-mm ROSA-type sleeve and five-pin package allow easy configuration into new designs, as well as enabling drop-in replacement for existing systems.


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GLOSSARY
PIN photodiode
A diode with a large intrinsic region sandwiched between P-doped and N-doped semiconducting regions. Photons absorbed in this region create electron-hole pairs that are then separated by an electric field, thus generating an electric current in a load circuit.
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