Innovation in Communications
FAQ's
| Q You mention that the integrated horn LNBs are suitable for dishes
with
a 0.6 F/D. My dish is a 0.5 F/D. Will it still work OK? |
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| A The
F/D is the ratio of the dish focal length to the dish diameter. The
horn of the LNB is designed to... |
more.. |
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| Q
The signal level meter only gives an indication of the signal level,
not the signal quality... |
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| A The signal level meter only gives an indication of the signal level, not the signal quality. ... | more.. |
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| Q I
am in Cyprus and trying to receive the very weak BBC channels from
Astra 2 at 28.2. However, some of the channels on the same satellite
are very strong. What LNB do I need? |
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| A Everyone
knows that noise figure is important for an LNB, but in your instance... |
more.. |
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| Q On all your 40mm horn products there is a scale on the horn edge from -30 to +30 what is this for? | |
| A
This scale is for the skew adjustment of the LNB. LNB rotation allows
for the affects of where you are situated on the planet....................... |
more.. |
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| Q I
notice that the inside diameter of the waveguide on the SNF-031 is
18.5mm. My feed horn has a diameter of 19.5mm. Is this 1mm change important? |
|
| A Yes
it can be. The step will have little affect on the loss, however... |
more.. |
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| Q Can your LNBs be used to receive weak channels in the USA? | |
| A The DSS channels from DirecTV or Dish networks are... | more.. |
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| Q My
VSAT installs are taking a long time to set up. Is there a quicker way to set up the levels? |
|
| A A
constant output power transmitter will give the same output power
regardless of the input level. This makes installation very quick
and easy, with no requirement to... |
more.. |
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| Q Why does your transmitter mute between bursts? I cannot see the benefit. | |
| A The
benefit of a muting transmitter is to the satellite owner, or the
person buying the transponder space. Imagine 100,000 transmitters
all looking at the same satellite. When they are not transmitting,
they are... |
more.. |
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| Q My satellite provider says that I cannot operate my 2W transmitter at 2W. Can you explain if this is correct? | |
| A It all depends on whose transmitter you have bought. An Invacom 2W transmitter can be operated at 2W without any problems. This is because it will meet all the Eutelsat & Intelsat specifications... | more.. |
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| Q I
have a 500 KB/S point to point satellite data link between two sites. Do I need a DRO or a PLL LNB? |
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| A A
PLL LNB is much more stable in frequency than a DRO LNB. For high
data rate traffic, a DRO LNB is sufficient. This is because the bandwidth
of a high data rate carrier is large, so the frequency... |
more.. |
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