ClearOne WS800 Manual de aplicación - Página 6

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ClearOne WS800 Manual de aplicación
Case III: (continued)
Small Auditorium or Church
C.
Factor
2 Antennas On Back Wall
All of the transmitters are about the same distance to the closest antenna. The IMD product is small compared to the
IMD
transmitter signal. This meets the design rule.
Diversity
The antennas are separated so at least one antenna is always out of the null. This meets the design rule.
Line of Sight
Place the antennas over the audience to keep the line of sight for both antennas. This meets the design rule.
Cable Loss
Short antenna lengths reduce loss and cost. Use low loss cable to assure total loss in each run is less than 15 dB.
Range Loss
All transmitters are far from the antennas, but within range. It meets the design rule.
Transmitter
Use 25 mW to overcome range loss.
Power
Rating
Expect excellent performance with small and large channel counts.
D.
Factor
2 Antennas On Side Wall (or Rack Mounted w/ Dipoles)
The IMD from the transmitters close to the antennas can interfere with transmitters away from the antennas. Expect
IMD
dropout and hits.
Diversity is defeated when the antennas are too close together. Expect dropouts when the transmitter antenna null points
Diversity
at the antennas.
Line of Sight
All transmitters are in the line of sight of both antennas but blocked by bodies.
Cable Loss
Use low-loss cable to assure total loss in each run is less than 15 dB.
Range Loss
The far transmitters have less gain than close transmitters.
Transmitter
Use 10 - 25 mW output power to assure pick-up of the far transmitters.
Power
Rating
This system is prone to dropouts and hits with large numbers of transmitters.
6
3rd Choice
Not Recommended