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400-490 MHz Economic pass/reject duplexer DPRE4-6UL
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DPRE4-6U
| | Electrical specifications
Model |
DPRE4-6UL
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"Operating frequency band, MHz" |
400-440
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"Insertion loss (adjustable) not more, dB" |
2
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"Frequency separation TX/RX (min), MHz" |
1.6
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"Impedance, Ohm" |
50
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"Isolation, not less, dB" |
90
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"VSWR, not more than" |
1.5
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"Input power, not more, W" |
300
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"Temperature range, °C" |
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Cavity electrical length |
1/4λ
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Mechanical specifications
Model |
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Diameter, mm (ins.) |
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Weight, kg |
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Connector |
N-female
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Mount to 19-inch rack |
present
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Dimensions (LxWxH), mm |
480x265x380
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These new economic models distinguish from the traditional band reject duplexers as the coaxial tripling elements are changed by the whole-soldered nodes. The filter has a construction that ensures a high thermo-stability due to Invar alloy. A high quality-factor of each cavity is provided by means of application of the pure electro-technical copper and by the silvering of the contacting parts. An adjusting is being implemented on the modern network spectrum analyzers manufactured by Aglient Technologies and Rohde&Schwartz.
Typical duplexer DPRE4-6U response curves
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