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Table 4
HIFI theoretical beam-size and co-alignment of the HIFI H and V mixers.
| Band | ν | λ | FWHM | Δ(H – V)† | Coupling | |
| GHz | mm | ′′ | Y′′ | Z′′ | loss % | |
|
|
||||||
| 1 | 480 | 0.625 | 44.2 | −6.2 | + 2.2 | 1.5 |
| 2 | 640 | 0.469 | 33.2 | –4.4 | –1.3 | 1.3 |
| 3 | 800 | 0.375 | 26.5 | –5.2 | –3.5 | 3.8 |
| 4 | 960 | 0.312 | 22.1 | –1.2 | –3.3 | 1.7 |
| 5 | 1120 | 0.268 | 18.9 | 0.0 | +2.8 | 1.5 |
| 6 | 1410 | 0.213 | 15.0 | +0.7 | +0.3 | 0.2 |
| 7 | 1910 | 0.157 | 11.1 | 0.0 | –1.0 | 0.6 |
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