8920 Series
8920 Series
Bird RF
5 kW, Oil-Cooled RF Terminations
8920 Series, RF Loads 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 non-reflective termination for testing and adjusting transmitters under non-radiating 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.
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8920 Series Specifications
- An 8890-008 over-temperature interlock safety switch is optional
- This series includes Models 8922D 8926D and 8927D for Digital Broadcast (VSWR = 1.065 max. 470-860 MHz)
| Attribute | Value |
|---|---|
| Manufacturer | Bird |
| Housing surface finish | Gray Powder Coat |
| VSWR and Frequency Range | DC - 1 GHz @ 1.1 max., 1.065 max., 470-860 MHz for "D" Models |
| Operating Position | Horizontal Only |
| Cooling Type | Oil-Cooled |
| Connectors | See Model Matrix |
| Temperature Range | -40 to +45 °C |
| Dimensions | See Model Matrix |
| Attribute | Value |
|---|---|
| Data Sheet | Click here to view |
