TDD pa power amplifier
TDD PA Power Amplifier Module for DVB-T COFDM TX Transmitter transmission 5w


Модуль усилителя мощности PA реализует выходное усиление мощности радиочастотного сигнала.. When the input voltage is 28V, подключение к плате модуляции COFDM, the output power can be up to 5W (+30дБм)
Функции
- Рабочая полоса частот: 815MHz~830MHz (больше частоты регулируется)
- RX Gain: 1dB+/-1dB
- TX Gain: 10dB+/-1dB
- Мощность передачи: 5Вт
Спецификация
| Элемент | Параметр | Примечание |
| Диапазон частот (МГц) | 815-830Mzh | accept modify according to buyer’s requirement |
| Выходная мощность (Вт) | 5Вт | No ALC control |
| In-band group delay (ns) | ≤50 | |
| TX gain (дБ) | 16±1.0 | Set gain according to customer requirements |
| In-band fluctuation | ≤1dB | Peak |
| Входной уровень (дБм) | +22±1.0 | |
| Соотношение плеч (дБн) | ≤-30 | |
| RX gain (дБ) | 5 | |
| RX Noise figure (дБ) | ≤2,5 | |
| RF switching level | +3.3V~+5V | High level send low-level receive |
| Isolation | 50дБ | |
| Power supply requirements | +11V~+18V Vdc | |
| RX operating current | ≤0.6A | |
| TX operating current | ≤3.0A | |
| Рабочая температура | -20~+70℃ | |
| Тип интерфейса | СМА-50КФД | |
| Module Dimension (мм) | 105 * 60 * 14 |
Shape and installation instructions
1. Размеры: 105 * 60 *14 (мм) (without socket)
2. Interface form:
1 power supply conditions: +12В источник питания: затыкать
2 RF input interface: СМА-50КФД
RF output interface: СМА-50КФД
3. Mounting hole diameter size: 4 Φ3.5 through holes for 4 mounting holes for installation.

20Вт
Спецификация
| Элемент | Параметр | Примечание |
| Диапазон частот (МГц) | 500-530Mzh | accept modify according to buyer’s requirement |
| Выходная мощность (Вт) | 20Вт | No ALC control |
| In-band group delay (ns) | ≤50 | |
| TX gain (дБ) | 48±1.0 | Set gain according to customer requirements |
| In-band fluctuation | ≤1dB | Peak |
| Входной уровень (дБм) | -80 | |
| Соотношение плеч (дБн) | ≤-30 | |
| RX gain (дБ) | 5 | |
| RX Noise figure (дБ) | ≤2,5 | |
| RF switching level | +3.3V~+5V | High level send low-level receive |
| Isolation | 50дБ | |
| Power supply requirements | ≤+28 Vdc 20W/3A | |
| RX operating current | ≤0.6A | |
| TX operating current | ≤3.0A | |
| Рабочая температура | -20~+65℃ | |
| Тип интерфейса | СМА-50КФД | |
| Module Dimension (мм) | 178 × 91 × 25 |
Power supply conditions:
+28В источник питания: Приколоть 2
+12В источник питания: Приколоть 3
Grounding: Приколоть 1



isdb-t.com_buyer –
This TDD PA Power Amplifier Module has been an absolute game-changer for my DVB-T/COFDM transmitter setup. The build quality is exceptional, and the installation process was surprisingly straightforward. Я выбрал версию 10 Вт., and the boost in transmission power and signal clarity is nothing short of impressive. It delivers a incredibly stable and clean output, drastically improving my range and signal penetration without any noticeable distortion. The module operates efficiently and remains remarkably cool even after extended use, which speaks volumes about its design. It has brought a level of professional-grade reliability and performance to my transmission system that I was previously missing. For anyone looking to significantly enhance their broadcast capabilities, this amplifier is an outstanding investment and comes highly recommended!