Analog systems is the foremost manufacturing company of cable tv, dth equipment and multiswitches and fiber optic. These instruments are supplied under the brand name of sharp vision. The company manufactures high quality automatic gain control amplifiers that are used to control rf signal variations. These are suitable for 550mhz & 750mhz with different channel loading capacity. These are available in two models- agc 8080 and agc 9090. It comes with following salient features: