This specification defines the low noise amplifier and block downconverter intended for the satellite data communication downlink application in the 3.4 to 4.2 GHz, Palapa C-band, 3.625 to 4.200 GHz, C-Band and 4.5 to 4.8 GHz, Insat C-band.

This LNB has a combined 3-stage HEMT amplifier and block downconverter with 5.15 GHz or 5.76 GHz Phase Locked Local Oscillator which is constituted with S-Band VCO, Multiplier, Loop Filter and Reference Recovery VCXO providing high stability and low phase noise.