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 (+30डी बी एम)
विशेषताएँ
- Working frequency band: 815MHz~830MHz (more frequency is adjustable)
- RX Gain: 1dB+/-1dB
- TX Gain: 10dB+/-1dB
- टीएक्स पावर: 5डब्ल्यू
विनिर्देश
| Item | पैरामीटर | टिप्पणी |
| आवृति सीमा (मेगाहर्टज) | 815-830Mzh | accept modify according to buyer’s requirement |
| Output power (डब्ल्यू) | 5डब्ल्यू | No ALC control |
| In-band group delay (ns) | ≤50 | |
| TX gain (डीबी) | 16±1.0 | Set gain according to customer requirements |
| In-band fluctuation | ≤1dB | Peak |
| Input level (डी बी एम) | +22±1.0 | |
| Shoulder ratio (dBc) | ≤-30 | |
| RX gain (डीबी) | 5 | |
| RX Noise figure (डीबी) | ≤2.5 | |
| RF switching level | +3.3V～+5V | High level send low-level receive |
| Isolation | 50डीबी | |
| Power supply requirements | +11V～+18V Vdc | |
| RX operating current | ≤0.6A | |
| TX operating current | ≤3.0A | |
| कार्य तापमान | -20～+70℃ | |
| इंटरफ़ेस प्रकार | SMA-50KFD | |
| Module Dimension (मिमी) | 105 * 60 * 14 |
Shape and installation instructions
1. DIMENSIONS: 105 * 60 *14 (मिमी) (without socket)
2. Interface form:
1 power supply conditions: +12V power supply: 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.
20डब्ल्यू
विनिर्देश
| Item | पैरामीटर | टिप्पणी |
| आवृति सीमा (मेगाहर्टज) | 500-530Mzh | accept modify according to buyer’s requirement |
| Output power (डब्ल्यू) | 20डब्ल्यू | No ALC control |
| In-band group delay (ns) | ≤50 | |
| TX gain (डीबी) | 48±1.0 | Set gain according to customer requirements |
| In-band fluctuation | ≤1dB | Peak |
| Input level (डी बी एम) | -80 | |
| Shoulder ratio (dBc) | ≤-30 | |
| RX gain (डीबी) | 5 | |
| RX Noise figure (डीबी) | ≤2.5 | |
| RF switching level | +3.3V～+5V | High level send low-level receive |
| Isolation | 50डीबी | |
| Power supply requirements | ≤＋28 Vdc 20W/3A | |
| RX operating current | ≤0.6A | |
| TX operating current | ≤3.0A | |
| कार्य तापमान | -20～+65℃ | |
| इंटरफ़ेस प्रकार | SMA-50KFD | |
| Module Dimension (मिमी) | 178 × 91 × 25 |
Power supply conditions:
+28V power supply: Pin 2
+12V power supply: 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!