Multiband amplifiers TERRA, series MA044, MA044M
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Advantages:
- for combination and balancing of signals received from several antennas (up to 4 inputs);
- DC overload protection and indication;
- adjustable attenuators for each input;
- (switchable) feeding for preamplifiers through two inputs;
- metal-plastic housing.
Specifications:
|
Type |
MA044 |
MA045 |
|
|
Gain |
VHF I/II (47-108 MHz) |
30 dB |
|
|
VHF III (174-230 MHz) |
30 dB |
||
|
UHF IV/V (470-862 MHz) |
2×34 dB |
34 dB |
|
|
Number of inputs |
4 |
3 |
|
|
Noise figure, typical |
< 6 dB (VHF); < 4 dB (UHF) |
||
|
Max. output level IMD3=60dB (DIN45004B) |
115 dBµV |
||
|
Gain control range |
0 ÷ -20 dB |
||
|
Reflection factor |
>10 dB |
||
|
External DC consumption |
12 V / 0.1 A max. |
||
|
Feeding for preamplifiers through inputs (switchable) |
VHF III/1×UHF |
VHF III/UHF |
|
|
Power consumption * |
230 V / 50 Hz / 8.5 W |
||
|
Operating temperature range |
-20°C ÷ +50°C |
||
|
Dimensions |
107 × 148 × 53 mm |
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|
Weight (packed) |
0.6 kg |
||
* - without external DC load.