Norsat Stadard LNB Features

  • Hermetically sealed housing provides a long service life in any environment.
  • Available in a variety of noise figures.
  • Available in many frequency ranges for international applications.
  • Custom specifications available to meet your demanding requirements.
  • Optional C & Ku-band isolators available.
  • Superior lightning and surge protection (IEC 801-5 1 KV compliant).
  • HEMT design provides compact size, superior noise performance and high reliability.
  • Minimum three year warranty.
Environmental
Operating temperature -40 to +60 C
-40 to +140 F
Relative humidity 0 to 100%
Converting PPM to kHz
At C-band 1 PPM = 5.15 kHz
At Ku-band 1 PPM = A - 10.75 kHz
1 PPM = B - 11.30 kHz
1 PPM = C - 10.00 kHz
At X-band 1 PPM = 6.30 kHz
At Ka-band 1 PPM = A - 17.25 kHz
1 PPM = B - 18.25 kHz
1 PPM = C - 19.25 kHz
Output connectors
F-connectors standard at 75 ohms
N-connectors optional at 50 ohms
Other connectors and impedances available as options

Noise figure, temperature and power output tables:

TABLE 1
Noise figure
(if noise temperature is known)

Noise temp. (K) Noise figure (dB)
0 0.1472
15 0.2190
20 0.2896
25 0.3591
30 0.4275
35 0.5612
40 0.5612
45 0.6265
50 0.6908
55 0.7542
60 0.8167
65 0.8783
70 0.9390
75 0.9989
80 1.0580
85 1.1163
90 1.1739
95 1.2806
100 1.2867
105 1.3420
110 1.3966
115 1.4506
TABLE 2
Noise temperature
(if noise figure is known)

Noise figure (dB) Noise temp. (K)
0.1 6.75
0.2 13.67
0.3 20.74
0.4 27.97
0.5 35.38
0.6 42.96
0.7 50.72
0.8 58.65
0.9 66.77
1.0 75.08
1.1 83.59
1.2 92.29
1.3 101.1
1.4 110.3
1.5 119.6
TABLE 3
Power Output
(1 dB compression)

Watt dBm
0.1 20
0.2 23.0103
0.3 24.77121
0.4 26.0206
0.5 26.9897
0.6 27.78151
0.7 28.45098
0.8 29.0309
0.9 29.54243
1.0 30
1.5 31.76091
2.0 33.0103
2.5 33.9794
3.0 34.77121
3.5 35.44068
4.0 36.0206
4.5 36.53213
5.0 36.9897
5.5 37.40363
6.0 37.78151
6.5 38.12913
7.0 38.45098
7.5 38.75061
8.0 39.0309
8.5 39.29419
9.0 39.54243
10 40
Formulas to build your own calculator

Noise temp to figure Noise figure to temp
NF=10 log(1+(NT/290) NT= ((10(NF/10))-1)290
NF= Noise figure in dB NT= Noise temp in K
NT= Noise temp in K NF= Noise figure in dB



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