TDD pa power amplifier
TDD PA Power Amplifier Module for DVB-T COFDM TX Transmitter transmission 5w
Mô-đun bộ khuếch đại công suất pa nhận ra đầu ra khuếch đại công suất của tín hiệu RF. When the input voltage is 28V, kết nối với bảng điều chế COFDM, the output power can be up to 5W (+30dBm)
Đặc trưng
- Dải tần làm việc: 815MHz~830MHz (nhiều tần số có thể điều chỉnh)
- RX Gain: 1dB+/-1dB
- TX Gain: 10dB+/-1dB
- TX Power: 5W
Đặc điểm kỹ thuật
| Mục | tham số | Ghi chú |
| Dải tần số (MHz) | 815-830Mzh | accept modify according to buyer’s requirement |
| Công suất đầu ra (W) | 5W | No ALC control |
| In-band group delay (ns) | ≤50 | |
| TX gain (dB) | 16±1.0 | Set gain according to customer requirements |
| In-band fluctuation | ≤1dB | Peak |
| Mức đầu vào (dBm) | +22±1.0 | |
| Shoulder ratio (dBc) | ≤-30 | |
| RX gain (dB) | 5 | |
| RX Noise figure (dB) | ≤2.5 | |
| RF switching level | +3.3V～+5V | High level send low-level receive |
| Isolation | 50dB | |
| Power supply requirements | +11V～+18V Vdc | |
| RX operating current | ≤0.6A | |
| TX operating current | ≤3.0A | |
| Nhiệt độ làm việc | -20～+70℃ | |
| Loại giao diện | SMA-50KFD | |
| Module Dimension (mm) | 105 * 60 * 14 |
Shape and installation instructions
1. Kích thước: 105 * 60 *14 (mm) (without socket)
2. Interface form:
1 power supply conditions: +12Nguồn điện V: cắm
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.
20W
Đặc điểm kỹ thuật
| Mục | tham số | Ghi chú |
| Dải tần số (MHz) | 500-530Mzh | accept modify according to buyer’s requirement |
| Công suất đầu ra (W) | 20W | No ALC control |
| In-band group delay (ns) | ≤50 | |
| TX gain (dB) | 48±1.0 | Set gain according to customer requirements |
| In-band fluctuation | ≤1dB | Peak |
| Mức đầu vào (dBm) | -80 | |
| Shoulder ratio (dBc) | ≤-30 | |
| RX gain (dB) | 5 | |
| RX Noise figure (dB) | ≤2.5 | |
| RF switching level | +3.3V～+5V | High level send low-level receive |
| Isolation | 50dB | |
| Power supply requirements | ≤＋28 Vdc 20W/3A | |
| RX operating current | ≤0.6A | |
| TX operating current | ≤3.0A | |
| Nhiệt độ làm việc | -20～+65℃ | |
| Loại giao diện | SMA-50KFD | |
| Module Dimension (mm) | 178 × 91 × 25 |
Power supply conditions:
+28Nguồn điện V: Ghim 2
+12Nguồn điện V: Ghim 3
Grounding: Ghim 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. Tôi đã chọn phiên bản 10W, 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!