datasheet | january 2012 fiber optics | rev 2012.01 information contained herein is deemed reliable and accurate as of the issue date. emcore reserves the right to change the desi gn or specification at any time without notice. features wide bandwidth of 40 to 860 mhz accommodates up to 110 channels on all models. provides excellent picture quality with a cnr up to 54.5 db, cso of -63 dbc, and ctb of -66 dbc. rf output up to +28 dbmv allows a greater number of drops or splits. wide optical input range of -8 dbm to +4.5 dbm permits the use of a lower power transmitter, reducing system cost. built-in, universal ac power supply frees system user from bulky wall- mount ac adapters. the model 2808 110 channel vsb/am fiber optic receiver provides catv distribution headend operators with an extensive array of f eatures that offer a low-cost solution to increase system performance. the receiver pr ovides an rf output of +28 dbmv allowing multiple rf splits without the use of an exter nal rf amplifier. the model 2808 is equipped with a manual gain control that allows the us er to adjust the rf output level for optimum performance. additionally, the receiver?s ability to operate over a wide optical input range of -8 to +4.5 dbm allows for a variety of system designs without degrading performance. the model 2808 can transport up to 110 catv channels using the entire high-frequency bandwidth, or alternatively, it can transport up to 80 channels of standard analog catv signals while utilizing the remaining high-frequency bandwidth to transport 30 digital qam channels. the receiver includes a universal ac power supply, freeing the user from a bulky wall-mount ac adapter. the streamline design of the model 2808 offers the flexibility and performance demanded by today?s broadband professional. 77/110 channel catv receiver part numbers description part number fiberoptic receiver, 1310/1550 nm, sc/apc optical connector 2808r-sfsp fiberoptic receiver, 1310/1550 nm, fc/apc optical connector 2808R-SFAP model 2808 110 channel catv optical receiver
datasheet | january 2012 fiber optics | rev 2012.01 information contained herein is deemed reliable and accurate as of the issue date. emcore reserves the right to change the design or specification at any time without notice. rf & optical characteristics parameter min typ max units optical input power -8.0 0.0 +4.5 dbm operating wavelength 1290 1310 1330 nm operating wavelength 1530 1550 1571 nm bandwidth 40 - 860 mhz output rf impedance - 75 - ohms rf output level - - +28 dbmv rf output return loss - 16 - db backreflection tolerance - - -50 db required fiber bandwidth 2,000 - - mhz composite second order (cso) - -63 - dbc composite triple beat (ctb) - -66 - dbc carrier-to-noise ratio see graph db system performance specifications indicated for use with 9/125 m singlemode fiber . electrical characteristics parameter min typ max units power supply voltage - 120 240 v ac power supply frequency 50 60 - hz power dissipation - 8 - watts physical characteristics parameter min typ max units weight - 1.1 0.5 - lbs kg dimensions - 8.45 x 2.95 x 1.12 215 x 75 x 29 - in mm environmental characteristics parameter min typ max units operating temperature range 0 - +50 o c storage temperature range -20 - +70 o c humidity (rh, non-condensing) 5 - 95 % model 2808 110 channel catv optical receiver carrier-to-noise performance
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