at440

UHF band amplifier, LTE800 filter
four 8 MHz bandwidth sections



Ordering number 02561
Specifications

T Y P E

at440

Ordering number

02561

Sections

4

Tuning range of channels

470-790 MHz

RF input

TV standard

pr.

DVB-T*

channel bandwidth

8 MHz

level/impedance

50-75 dBµV/75 Ω

frequency range of RF distribution

47-790 MHz

loop through gain

0 ± 1.5 dB

return loss

> 10 dB

RF output

level/ impedance, typical

82 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, ±2 MHz from 8 MHz bandwidth border

Offset**

±1 MHz by 0.125 MHz step

Spurious signals level

≤ -55 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  0.75 A

Operating temperature range

0° C ÷ +50°C

Dimensions/Weight (packed)

48.5x198x107.5 mm/1 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