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Broadband Central Station 4 Inputs 2xUHF/FM/DAB by Johansson
Johansson 7784 Multiband 4 Inputs 2xUHF/FM/DAB Multiband Amplifier
The 7784 is an advanced solution designed to optimize the distribution of radio and TV signals in community and residential installations. This high power multiband amplifier ensures clear and stable reception, even in environments with multiple signal sources.
This broadband central station has 4 inputs: BI/FM, BIII/DAB, UHF1, UHF2. This equipment offers a gain of 35dB adjustable ±15dB and a maximum output of 118dBμV. The DTT (UHF) inputs integrate a switchable 4G/5G LTE filter to adapt its pickup system to the 2nd Digital Dividend.
The Johansson 7784 amplifier allows sending voltage through the DAB, UHF1/2 inputs. So it feeds active DTT antennas if necessary. This amplifier offers a high gain flatness while a very low noise level to ensure a constant quality TV reception. It supports a high input level that makes it virtually impossible to saturate the equipment.
Technical Specifications of the Johansson 4-Input BI/BIII/FM/DAB/UHF Broadband Central Station
Multiband amplifier for DTT and Satellite with DC current passage and integrated LTE1/2 filter.
What are the main features of the Johansson 7784 multiband amplifier?
- 4 inputs: BI/FM, BIII/DAB, UHF1, UHF2
- Bandwidth split amplifiers with inter-stage attenuators and 20 dB dynamic range
- High gain and output power
- High input level ensures it is virtually impossible to overdrive the equipment
- Compact housing
- Removable power supply (included)
- Test output (-30dB)
- Compliant with RED standard:
- Better filtering of 5G LTE signals
- Better noise figure
- Higher output level
- Better gain flatness (470-694 Mhz)
What are the technical specifications of the Johansson 7784 broadband amplifier?
| Entries | - | BI/FM BIII/DAB UHF1 UHF2 |
| Frequency range | megahertz | BI/FM: 47 - 108 BIII/DAB: 174 - 240 UHF1: 470-694 o 862 (switchable) UHF2: 470-694 o 862 (switchable) |
| Revenue | dB | BI/FM: 10-30 BIII/DAB: 10-30 UHF1: 15-35 UHF2: 15-35 |
| max. input power | dBµV | BI/FM (-60dBc): 94 BIII/DAB (-60dBc): 92 UHF1 (-60dBc): 96 UHF2 (-60dBc): 96 |
| max. output power | dBµV | BI/FM (-60dBc): 118 BIII/DAB (-60dBc): 119 UHF1 (-60dBc): 118 UHF2 (-60dBc): 118 |
| Noise figure | dB | BI/FM: 4.5 BIII/DAB: 4 UHF1: 5.5 UHF2: 5.5 |
| return loss | dB | >10 |
| Test port | dB | -30 |
| Remote power | In | OFF - 12V - 24V |
| CC mode | mother | BIII/DAB: 100 UHF1: 100 UHF2: 100 |
| RED selectivity classification | - | 0 and 1 |
| Supply voltage | VACATION | 100 - 240 |
| Energy consumption | IN | 23 |
| Dimensions | millimeter | 217x165x59 |
| Hight | 0.000 |
|---|---|
| Length | 0.000 |
| Width | 0.000 |
| DTT System | DTT Amplifier |
| SERIES DTT | F-connector |
| Color | Silver |
| Type | Broadband station |
| Entorno | Interior |
| Input signal | DAB, FM, UHF |
| # Inputs | 4 |
| Outputs | 1 |
| Gain | 35 |
| LTE compatible | No |
| Current bypass | Terrestrial |
| Product Brand | Johansson |
| File | Label | Size | Download |
|---|---|---|---|
|
|
Ficha Técnica de la central de banda ancha 4 entradas 7784 de Johansson | Download |
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