copyright ? 199 9 new japan radio co., ltd. rev.04 ku dro lnb ku -band dro type single lnb model no. nj r2144f / hw / ha model no. nj r2151aa / ab model no. nj r2154a / hw / ha model no. nj r2183f model no. nj r2184f / hw < description > this specification defines the low noise block downconverter (lnb) intended for the satellite data communication downlink application in the ku-band. this lnb has a combined 3-stage hemt rf amplifier, mixer, if amplifier and free running dro providing high stability and low phase noise. all specifications shall apply throughout the full range of the specified environmental conditions unless otherwise specified. model no. rf frequency local frequency local stability [-40 to +6 0 c ] if frequency njr2184f 10.95 to 11.70 ghz 10.00 ghz +/- 1.5 mhz 950 to 1,700 mhz njr2184hw +/- 0.9 mhz njr2183f 11.20 to 11.70 ghz 10.25 ghz +/- 1.5 mhz 950 to 1,450 mhz njr2144f 11.70 to 12.20 ghz 10.75 ghz +/- 1.5 mhz 950 to 1,450 mhz njr2144hw +/- 0.9 mhz njr2144ha +/- 0.5 mhz njr215 1aa 12.2 0 to 12.75 ghz 11. 2 0 ghz +/- 1 . 5 mhz 1,00 0 to 1, 5 50 mhz NJR2151AB +/- 0.9 mhz njr2154a 12.25 to 12.75 ghz 11.30 ghz +/- 1.5 mhz 950 to 1,450 mhz njr2154hw +/- 0.9 mhz njr2154ha +/- 0.5 mhz item specifications input waveguide flange wr75 output connector type f -female noise figure (at 25 c ) 0 .8 db typ. conversion gain (at 25 c ) 5 4 db typ. conversion gain variation (at 25 c ) 2 db max. in any 50 mhz segment over the frequency band. phase noise (ssb) -60 dbc/hz at 1 khz -80 dbc/hz at 10 khz - 10 0 dbc/hz at 100 khz power requirement +15 to +24v dc power consumption 170 ma max. operating temperature range -40 to +60 c storage temperature range -40 to +80 c
copyright ? 199 9 new japan radio co., ltd. rev.04 ku dro lnb new japan radio co., ltd. microwave components division 2-1-1, fukuoka, kamifukuoka saitama 356-8510 japan phone : +81-492-78-1270 fax : +81-492-78-1234 web site : http://www.njr.co.jp unit: mm
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