Table 16 – Directional Coupler Elements
Bird® 3-1/8″ Directional Coupler Elements for EIA Lines
All 3-1/8″ Directional Coupler Plug-In Elements are calibrated in accordance with meticulous Bird calibration procedures supported by a long history of mean deviation values to assure adherence to advertised specifications of current instruments, as well as field interchangeability with equipment purchased, used and trusted in all the years since its introduction.
Nominal Coupling: -55 dB
| Model Number | Frequency Range (MHz) | Power |
|---|---|---|
| 553-50 | 50-100 | 25 kW |
| 553-75 | 75-150 | 25 kW |
| 553-125 | 125-250 | 25 kW |
| 553-401 | 400-800 | 15 kW |
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