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產(chǎn)品名稱: 鳥牌Bird_1000W假負(fù)載8251
產(chǎn)品型號(hào): 鳥牌Bird 8251
產(chǎn)品展商: Bird
產(chǎn)品文檔: 無(wú)相關(guān)文檔
簡(jiǎn)單介紹
鳥牌Bird_1000W假負(fù)載8251功率為1000W，接口為See Chart，油浸式散熱，可在鳥牌系列功率計(jì)上通用。
鳥牌Bird_1000W假負(fù)載8251
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鳥牌Bird_1000W假負(fù)載8251
1 kW, Oil-Cooled Terminations
The 8251 Series are portable, self-contained general purpose 50 ohm coaxial transmission line terminations requiring no outside power source or additional equipment. The loads are Oil-assisted convection cooling for safe, continuous operation up to 1000W full rated power. They provide accurate, dependable, and practically nonreflective termination for testing and adjusting transmitters under nonradiating conditions. The load consists essentially of a cylindrical film type resistor immersed in a dielectric coolant. The resistor, individually selected for its accuracy, is enclosed in a special tapered housing which provides a linear reduction in surge impedance directly proportional to the distance along the resistor.
· This series has includes 8251D and 8251D7-16 models for
Digital BroadcastVSWR = 1.065 max., 470-860 MHz
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8251 Series, Terminations
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Model
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Connector
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8251
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LC connector installed and an additional QC-N connector for lower-power testing
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8251N
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QC-N connector for lower-power testing.
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8251D
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1-5/8" EIA, Flanged
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8251D7-16
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7/16-DIN (F)
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Power Rating (Watts)
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1000 continuous
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Frequency Range and VSWR
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DC - 1 GHz @ 1.1 max.
1 GHz - 2 GHz @ 1.25 max.
2 GHz to 2.4 @ 1.3 max.
1.065 max., 470-860 MHz for "D" Models
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Coolant
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1.1 gal. (4.1 liters) Silicon Oil
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Product Type
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Oil-Cooled
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Ambient Temp Range [°C (°F)]
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-40°C to +45°C
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Operating Position
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Horizontal only
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Connector(s)
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See Chart
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Finish
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Gray Powder Coat
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Nominal Size [inches (mm)]
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17-29/32" x 5-15/16" x 8-1/2" (L x W x H)
455 x 151 x 216 mm
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Weight [lbs (kg)]
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25 lbs., 8 oz. (11.5 kg)
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