8930 Series – 10 kW, Oil-Cooled RF Terminations with 115 VAC or 230 VAC Blower
10 kW, Oil-Cooled RF Terminations with 115 VAC or 230 VAC Blower
8930 Series, RF Loads are general purpose, 50 ohm, coaxial RF transmission line terminations, useful as standby reject loads for single or double sideband transmitters. They provide accurate, dependable, and low reflection line terminations over a frequency range of dc – 1000 MHz. Up to 10,000 watts can be dissipated. The loads have a coolant chamber surrounded by radiator fins. The front and rear fins form mounting flanges which can be used as supports for freestanding use or as brackets for fixed mounting. A single vent plug at the top of the unit relieve internal pressure from coolant expansion and a blower assembly with three axial fans that line the bottom of the load.
Features
- Forced-air assisted oil-cooled load for high-power transmitter applications up to 10 kW and 1 GHz
- Interlock control circuit provides fail-safe protection of the transmitter and load resistor in the event of an ac power failure to the blower
- 115V or 230V models available
Model Selections
| Model | Connector | Dimensions, L x W x H | Weight |
|---|---|---|---|
| 8931-** | LC(F) | 32.8 in x 9.5 in x 33.4 in (832 mm x 241 mm x 681 mm) | 142 lbs. (65 kg) |
| 8932-** | 1 5/8 in EIA, Flanged | 32.8 in x 9.5 in x 33.4 in (832 mm x 241 mm x 681 mm) | 142 lbs. (65 kg) |
| 8936-** | 3 1/8 in EIA, Flanged | 32.8 in x 9.5 in x 33.4 in (832 mm x 241 mm x 681 mm) | 142 lbs. (65 kg) |
| 8937-** | 3 1/8 in EIA, Unflanged | 32.8 in x 9.5 in x 33.4 in (832 mm x 241 mm x 681 mm) | 142 lbs. (65 kg) |
Notes: ** AC power 115-230 VAC, 50/60 Hz; Add suffix (-115) or (-230) to model number
| Product | Description |
|---|---|
| Item No | 8930 Series |
| Item Name | 10 kW, Oil-Cooled Terminations with 115 VAC or 230 VAC Blower Assy. |
| Power Rating | 10 kW continuous with blower on 2.5 kW with blower off |
| Frequency Range and VSWR | DC - 400 MHz @ 1.15 max. 400 MHz - 1 GHz @ 1.20 max. |
| Temperature Range | -40° to +45°C |
| Coolant | 6-2/3 quarts (6.3 liters) Silicone Oil |
| Product Type | Oil-Cooled, with 115 VAC or 230 VAC Blower Unit |
| Operating Position | Horizontal Only |
| Connectors | See Model Matrix |
| Finish | Gray Powder Coat |
| Dimensions | See Model Matrix |
| Weight | See Model Matrix |
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