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美國鳥牌5000W假負載8921
5 kW, Oil-Cooled Terminations
Termaline® Series RF Coaxial Terminations
The 8920 Series TERMALINE® Load Resistors are self-contained high-power 50 ohm coaxial transmission line terminations requiring no outside power source or additional
equipment. The units provide accurate, dependable, and practically nonreflective termination for testing
and adjusting transmitters under nonradiating conditions. The loads consist 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 produces the uniform, practically reflectionless line
termination from dc to 1 GHz.
· An 8890-008 over-temperature interlock safety switch is optional
· This series has includes Models 8922D, 8926D and 8927D for

Digital BroadcastVSWR = 1.056 max., 470-860 MHz

8820 Series, Terminations
Model	Connector		Diminsions, L x W x H	Weight
8921	QC, LC （F）		30-27/32" x 9-1/2" x 25-13/16" （783 x 241 x 656 mm）	119 lbs. （54 kg）
8922	1-5/8" EIA, Flanged		30-27/32" x 9-1/2" x 25-13/16" （783 x 241 x 656 mm）	121 lbs. （55 kg）
8922D	1-5/8" EIA, Flanged		30-27/32" x 9-1/2" x 25-13/16" （783 x 241 x 656 mm）	121 lbs. （55 kg）
8926	3-1/8" EIA, Flanged		32-3/4" x 9-1/2" x 25-13/16" （832 x 241 x 656 mm）	126 lbs. （57 kg）
8926D	3-1/8" EIA, Flanged		32-3/4" x 9-1/2" x 25-13/16" （832 x 241 x 656 mm）	126 lbs. （57 kg）
8927	3-1/8" EIA, Unflanged		32-3/4" x 9-1/2" x 25-13/16" （832 x 241 x 656 mm）	126 lbs. （57 kg）
8927D	3-1/8" EIA, Unflanged		31-7/8" x 9-1/2" x 25-13/16" （809 x 241 x 656 mm）	126 lbs. （57 kg）
Power Rating （Watts）		5000 continuous
Frequency Range and VSWR		DC - 1 GHz @ 1.1 max. 1.065 max., 470-860 MHz for "D" Models
Product Type		Oil-Cooled
Ambient Temp Range [°C （°F）]		-40°C to +45°C
Operating Position		Horizontal only
Connector（s）		See Chart
Finish		Gray Powder Coat
Nominal Size [inches （mm）]		See chart
Weight [lbs （kg）]		126 lbs. （57 kg）