TDD pa power amplifier
TDD PA Power Amplifier Module for DVB-T COFDM TX Transmitter transmission 5w
Η μονάδα ενισχυτή ισχύος pa πραγματοποιεί την έξοδο ενίσχυσης ισχύος του σήματος RF. When the input voltage is 28V, συνδεθείτε στην πλακέτα διαμόρφωσης COFDM, the output power can be up to 5W (+30dBm)
Χαρακτηριστικά
- Ζώνη συχνότητας εργασίας: 815MHz~830MHz (μεγαλύτερη συχνότητα είναι ρυθμιζόμενη)
- RX Gain: 1dB+/-1dB
- TX Gain: 10dB+/-1dB
- TX Power: 5W
Προσδιορισμός
| Item | Παράμετρος | Σημείωση |
| Περιοχή συχνοτήτων (MHz) | 815-830Mzh | accept modify according to buyer’s requirement |
| Output power (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 |
| Επίπεδο εισόδου (dBm) | +22±1.0 | |
| Αναλογία ώμων (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 | |
| Θερμοκρασία εργασίας | -20～+70℃ | |
| Τύπος διασύνδεσης | SMA-50KFD | |
| Module Dimension (mm) | 105 * 60 * 14 |
Shape and installation instructions
1. Διαστάσεις: 105 * 60 *14 (mm) (without socket)
2. Interface form:
1 power supply conditions: +12Τροφοδοτικό 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.
20W
Προσδιορισμός
| Item | Παράμετρος | Σημείωση |
| Περιοχή συχνοτήτων (MHz) | 500-530Mzh | accept modify according to buyer’s requirement |
| Output power (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 |
| Επίπεδο εισόδου (dBm) | -80 | |
| Αναλογία ώμων (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 | |
| Θερμοκρασία εργασίας | -20～+65℃ | |
| Τύπος διασύνδεσης | SMA-50KFD | |
| Module Dimension (mm) | 178 × 91 × 25 |
Power supply conditions:
+28Τροφοδοτικό V: Pin 2
+12Τροφοδοτικό 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!