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


pa功放模块实现射频信号的功率放大输出. When the input voltage is 28V, 连接到COFDM调制板, the output power can be up to 5W (+30分贝)
特征
- 工作频段: 815MHz~830MHz (更多频率可调)
- RX Gain: 1dB+/-1dB
- TX Gain: 10dB+/-1dB
- 发射功率: 5瓦
规格
| 物品 | 范围 | 笔记 |
| 频率范围 (兆赫兹) | 815-830米兹 | accept modify according to buyer’s requirement |
| 输出功率 (瓦) | 5瓦 | No ALC control |
| In-band group delay (ns) | ≤50 | |
| TX gain (分贝) | 16±1.0 | Set gain according to customer requirements |
| In-band fluctuation | ≤1dB | Peak |
| 输入电平 (分贝) | +22±1.0 | |
| 肩宽比 (分贝) | ≤-30 | |
| RX gain (分贝) | 5 | |
| RX Noise figure (分贝) | ≤2.5 | |
| RF switching level | +3.3V~+5V | High level send low-level receive |
| Isolation | 50分贝 | |
| Power supply requirements | +11V~+18V Vdc | |
| RX operating current | ≤0.6A | |
| TX operating current | ≤3.0A | |
| 工作温度 | -20~+70℃ | |
| 接口类型 | SMA-50KFD | |
| Module Dimension (毫米) | 105 * 60 * 14 |
Shape and installation instructions
1. 方面: 105 * 60 *14 (毫米) (without socket)
2. Interface form:
1 power supply conditions: +12电源电压: plug
2 RF input interface: SMA-50KFD
RF output interface: SMA-50KFD
3. Mounting hole diameter size: 4 Φ3.5 through holes for 4 mounting holes for installation.

20瓦
规格
| 物品 | 范围 | 笔记 |
| 频率范围 (兆赫兹) | 500-530米兹 | accept modify according to buyer’s requirement |
| 输出功率 (瓦) | 20瓦 | No ALC control |
| In-band group delay (ns) | ≤50 | |
| TX gain (分贝) | 48±1.0 | Set gain according to customer requirements |
| In-band fluctuation | ≤1dB | Peak |
| 输入电平 (分贝) | -80 | |
| 肩宽比 (分贝) | ≤-30 | |
| RX gain (分贝) | 5 | |
| RX Noise figure (分贝) | ≤2.5 | |
| RF switching level | +3.3V~+5V | High level send low-level receive |
| Isolation | 50分贝 | |
| Power supply requirements | ≤+28 Vdc 20W/3A | |
| RX operating current | ≤0.6A | |
| TX operating current | ≤3.0A | |
| 工作温度 | -20~+65℃ | |
| 接口类型 | SMA-50KFD | |
| Module Dimension (毫米) | 178 × 91 × 25 |
Power supply conditions:
+28电源电压: Pin 2
+12电源电压: Pin 3
Grounding: Pin 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, 安装过程出奇的简单. 我选择的是10W版本, 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!