Bird Technologies DA40 UHF Series-Datasheet User Manual
Digital air loads
Digital Air Loads
High-Power Forced Air Loads For Broadcast
Applciations
Bird's Digital Air Series are forced air cooled loads that provide a fully self-contained and convenient
means of dissipating large amounts of analog or digital RF power. Digital Air loads require no plumbing,
pumps or complicated installation and setup procedures. The four fan design provides excellent cooling
efficiency as well as extremely high reliability.
PROBLEMS
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SOLUTIONS
Require excellent VSWR performance
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<1.05:1 typical VSWR (1.1:1 max) across rated frequency range
Have a high power, digital installation requiring a dummy
load.
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Handles >13 dB Peak to Average power ratio.
Need connections suited to very high power levels.
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Flanged and unflanged EIA & IEC industry standard connectors.
Want product that is dependable over the long term.
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Low Maintenance and high reliability.
Worried about burns from loads with very high surface
temperatures.
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Ductable exhaust and cool-to-the-touch exterior surfaces.
Concerned about RF emissions
}
Double shielded against the production of extraneous
radiation.
APPLICATIONS
UHF and VHF Broadcasters requiring systems able to support
analog, digital and combined signals.