TDD pa power amplifier
TDD PA Power Amplifier Module for DVB-T COFDM TX Transmitter transmission 5w
The pa power amplifier module realizes the power amplification output of the RF signal. When the input voltage is 28V, connect to COFDM modulation board, the output power can be up to 5W (+30ديسيبل)
سمات
- Working frequency band: 815MHz~830MHz (more frequency is adjustable)
- RX Gain: 1dB+/-1dB
- TX Gain: 10dB+/-1dB
- TX Power: 5دبليو
مواصفة
| Item | المعلمة | ملحوظة |
| نطاق التردد (ميغاهيرتز) | 815-830Mzh | accept modify according to buyer’s requirement |
| طاقة الإخراج (دبليو) | 5دبليو | No ALC control |
| In-band group delay (ns) | ≤50 | |
| TX gain (ديسيبل) | 16±1.0 | Set gain according to customer requirements |
| In-band fluctuation | ≤1dB | Peak |
| مستوى الإدخال (ديسيبل) | +22±1.0 | |
| Shoulder ratio (dBc) | ≤-30 | |
| RX gain (ديسيبل) | 5 | |
| RX Noise figure (ديسيبل) | ≤2.5 | |
| RF switching level | +3.3V～+5V | High level send low-level receive |
| Isolation | 50ديسيبل | |
| Power supply requirements | +11V～+18V Vdc | |
| RX operating current | ≤0.6A | |
| TX operating current | ≤3.0A | |
| درجة حرارة العمل | -20～+70℃ | |
| نوع الواجهة | SMA-50KFD | |
| Module Dimension (مم) | 105 * 60 * 14 |
Shape and installation instructions
1. أبعاد: 105 * 60 *14 (مم) (without socket)
2. Interface form:
1 power supply conditions: +12إمدادات الطاقة V: 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.
20دبليو
مواصفة
| Item | المعلمة | ملحوظة |
| نطاق التردد (ميغاهيرتز) | 500-530Mzh | accept modify according to buyer’s requirement |
| طاقة الإخراج (دبليو) | 20دبليو | No ALC control |
| In-band group delay (ns) | ≤50 | |
| TX gain (ديسيبل) | 48±1.0 | Set gain according to customer requirements |
| In-band fluctuation | ≤1dB | Peak |
| مستوى الإدخال (ديسيبل) | -80 | |
| Shoulder ratio (dBc) | ≤-30 | |
| RX gain (ديسيبل) | 5 | |
| RX Noise figure (ديسيبل) | ≤2.5 | |
| RF switching level | +3.3V～+5V | High level send low-level receive |
| Isolation | 50ديسيبل | |
| Power supply requirements | ≤＋28 Vdc 20W/3A | |
| RX operating current | ≤0.6A | |
| TX operating current | ≤3.0A | |
| درجة حرارة العمل | -20～+65℃ | |
| نوع الواجهة | SMA-50KFD | |
| Module Dimension (مم) | 178 × 91 × 25 |
Power supply conditions:
+28إمدادات الطاقة V: Pin 2
+12إمدادات الطاقة V: 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, and the installation process was surprisingly straightforward. I opted for the 10W version, 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!