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


El módulo amplificador de potencia pa realiza la salida de amplificación de potencia de la señal RF. When the input voltage is 28V, conectar a la placa de modulación COFDM, the output power can be up to 5W (+30dBm)
Características
- Banda de frecuencia de trabajo: 815MHz~830MHz (más frecuencia es ajustable)
- RX Gain: 1dB+/-1dB
- TX Gain: 10dB+/-1dB
- Potencia de transmisión: 5W.
Especificación
| Artículo | Parámetro | Nota |
| Rango de frecuencia (megahercio) | 815-830Mzh | accept modify according to buyer’s requirement |
| Potencia de salida (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 |
| Nivel de entrada (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 | |
| Working Temperature | -20~+70℃ | |
| Tipo de interfaz | SMA-50KFD | |
| Module Dimension (milímetros) | 105 * 60 * 14 |
Shape and installation instructions
1. Dimensiones: 105 * 60 *14 (milímetros) (without socket)
2. Interface form:
1 power supply conditions: +12V fuente de alimentación: enchufar
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.
Especificación
| Artículo | Parámetro | Nota |
| Rango de frecuencia (megahercio) | 500-530Mzh | accept modify according to buyer’s requirement |
| Potencia de salida (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 |
| Nivel de entrada (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 | |
| Working Temperature | -20~+65℃ | |
| Tipo de interfaz | SMA-50KFD | |
| Module Dimension (milímetros) | 178 × 91 × 25 |
Power supply conditions:
+28V fuente de alimentación: Alfiler 2
+12V fuente de alimentación: Alfiler 3
Grounding: Alfiler 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, y el proceso de instalación fue sorprendentemente sencillo. Opté por la versión de 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!