About: http://webisa.webdatacommons.org/390078453

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	As shown in FIG. 1, an optical receiving circuit includes a photodetector (PD), a preamplifier (P-Amp), n main amplifiers (M-Amp), where n is an integer equal to or greater than one, and a level discrimination circuit (L-Dis).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com