Analog systems is the foremost manufacturing company of cable tv, dth equipment and multiswitches and fiber optic. The company uses the name sharp vision to market these products. As part of these products the company offers optic transmitters model alt 1310. This instrument uses dfb technology for transmitting optical signal at 1310 nm. This instrument is ideal for hfc networks. It provides excellent c/n performance with rf pre-distortion circuit. It is equipped with power control coupled with temperature stabilization to provide excellent service and long life. Optic transmitters comes with following salient features: