Digital video transmitters AGAT-1000
The first Belarusian digital TV transmitters. Modern components, an intuitive control interface and minimal power consumption at a price below foreign counterparts.
- Standard
- DVB-T, DVB-H
- Frequency range
- 470–862 MHz
- Output power
- 0.5 / 1 / 2 kW
- Remote control
- Ethernet
Purpose and description
AGAT-1000 transmitters are designed for digital terrestrial television broadcasting in the DVB-T and DVB-H standards in the UHF band 470–862 MHz. They are produced in three output power versions: 0.5, 1 and 2 kW.
The transmitters are built on modern components, have a convenient functional control interface and high efficiency. They can operate in a single-frequency network and in hierarchical mode, with local and remote control.
Features
- Stable output power
- Redundancy mode — automatic and manual
- Remote control and parameter monitoring
- Protection against overload, output VSWR and overheating
- Supply voltage monitoring
- Forced air cooling
- Low power consumption
Specifications
Values common to all versions are given in a single row.
| Parameter | AGAT-1000/0.50.5 kW | AGAT-1000/11 kW | AGAT-1000/22 kW |
|---|---|---|---|
| General | |||
| Operating standard | DVB-T, DVB-H | ||
| Operating frequency range | 470–862 MHz | ||
| Power consumption, kW, max | 3 | 6 | 12 |
| Power supply | ~400 V, 50 Hz | ||
| Cooling | Forced air | ||
| Output | |||
| Rated output power, W | 500 | 1000 | 2000 |
| Impedance | 50 Ω | ||
| Output power deviation, max | ±10 % | ||
| Output connector | EIA 1-5/8″ | ||
| Sidebands (with channel filter) | per STB 1697-2010 | ||
| Harmonic level (with channel filter) | < −75 dB | ||
| Input | |||
| 4 × ASI (2 HP, 2 LP) | SMA | ||
| External clock synchronisation input | SMA | ||
| External time synchronisation input | SMA | ||
| Modulation | |||
| Modulation type | COFDM | ||
| Carrier modulation | QPSK, 16QAM, 64QAM | ||
| Number of carriers | 2K, 4K, 8K | ||
| Guard interval | 1/4, 1/8, 1/16, 1/32 | ||
| Code rate | 1/2, 2/3, 3/4, 5/6, 7/8 | ||
| Bandwidth, MHz | 5, 6, 7, 8 | ||
| Single-frequency network operation | Supported | ||
| MER | > 35 dB | ||
| BER (before Viterbi decoder) | < 10−9 | ||
| Non-linear pre-correction | Digital | ||
| Hierarchical mode | Supported | ||
| Spectrum inversion | Supported | ||
| Test mode | Yes | ||
| Control and indication | |||
| Local | Keypad, LCD display | ||
| Remote | Ethernet | ||
| Dimensions and weight | |||
| Dimensions, mm, max | 1330 × 605 × 905 | 1785 × 605 × 905 | 2021 × 605 × 905 |
| Weight, kg, max | 460 | 580 | 640 |
| Operating conditions | |||
| Operating temperature | +5 to +45 °C | ||
| Relative humidity at +20 °C, max | 80 % | ||
Specifications are given according to the manufacturer. Exact values for a delivery are set out in the technical specification.
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