DDK BHUBANESWAR Earth Station and DSNG team have developed one hybrid ku band LNBC by integrating one defective professional Norsat KU band LNBC (cost Rs25000.)and one good Universal DTH Lnbc (cost Rs300.)The rectangular cross section of front end of Norsat lnbc (white color)was cut.The circular cross section of Universal Dth-lnbc (yellow color) was also cut.The front end of Norsat LNBC was joined with back end (electronics)of Universal LNBC to get hybrid KU BAND LNBC(grey color).The jointing portion was covered with RF shield material.The hybrid LNBC was fitted to feed of 5 meter dia ku band pda and downlink signal was tested at MSR in dvbs2 Ericsson IRD. The Downlink parameters C/N:13.8db and LM:+5.7db was found satisfactory in comparison to professional LNBC. The quality of downlink programme both video & audio was also very good.The such hybrid LNBC is being put to further test to assess its long term stability and quality.
Source :- From facebook account of Shri. ManasRanjan Senapati