| T Y P E | at420 | ||||
| Ordering number | 02558 | ||||
| Sections | 2 | ||||
| Tuning range of channels | 470-862 MHz | ||||
| RF input | TV standard | pr. | analog (G, K, I, NZ) | DVB-T* | |
| channel bandwidth | 8 MHz | 8 MHz | |||
| level/impedance | 60-85 dBµV/75 Ω | 50-80 dBµV/75 Ω | |||
| frequency range of RF distribution | 47-862 MHz | ||||
| loop through gain | 0 ± 1.5 dB | ||||
| return loss | >12 dB | ||||
| RF output | level/ impedance, typical | 90 dBµV/75 Ω | 85 dBµV/75 Ω | ||
| MER ofDVB-Tsignal | - | ≥36 dB (input signal MER 38 dB) | |||
| frequency range of RF combining | 47-2150 MHz | ||||
| DC pass through | 0.3 A | ||||
| combining through loss Terr/SAT | 1.5/2.5 dB | ||||
| level adjustment range | pr. | 0 ÷ -10 dB by 1 dB step | |||
| return loss | ≥ 10 dB | ||||
| Noise figure | 7 dB | ||||
| Selectivity, typical | 40 dB, ±1.25 MHz from 8 MHz bandwidth border pr. | 40 dB, ±2 MHz from 8 MHz bandwidth border pr. | |||
| Offset** | ±1 MHz by 0.25 MHz step | ||||
| Spurious signals level | ≤ -60 dBc | ||||
| Mirror channel selectivity | ≥ 60 dB | ||||
| Flatness of channel bandwidth, typical | ± 1.5 dB | ||||
| DC feeding for external | pr. | 12 V 0.1 A max. | |||
| Current consumption*** | 12 V 0.45 A | ||||
| Operating temperature range | 0° C ÷ +50°C | ||||
| Dimensions/Weight (packed) | 36x198x107.5 mm/0.9 kg | ||||
pr. - software control
* 21-69 channels for at420 by G standard, 20-75 channels for at421 by Au standard, 21-60 channels for at440 by G standard
** the offset is used for fine tuning of the channel frequency response
*** without external DC loading
