COFDM Linear Power Amplifier for Wireless Video Transmission
這 COFDM Linear Power Amplifier is a high-performance RF amplification module designed for professional wireless video transmission systems. It is optimized for COFDM / OFDM modulation signals, ensuring low distortion, high linearity, and stable long-range transmission performance.
This amplifier is widely used in UAV video links, drone systems, vehicle-mounted transmission, 監控系統, and industrial wireless communication systems.
We support full 代加工 / ODM customization, 包括頻段, 輸出功率, 介面類型, and mechanical design.
目錄
主要特點
- High linearity design optimized for COFDM / 正交頻分複用訊號
- Wide frequency range: 300 兆赫至 5.8 百萬赫 (可客製化)
- Output power up to 100W (取決於型號)
- Low distortion RF amplification for stable video transmission
- 內建保護: overheat, 駐波比, and over-current protection
- Industrial-grade reliability for harsh environments
- 代加工 / 可ODM定制
- Compact and integration-friendly design
Frequency Options
Available frequency bands:
- 300–320 MHz
- 350–390 MHz
- 400–470 MHz (most popular)
- 500–600 MHz
- 600–700 MHz
- 800–900 MHz
- 1.2 百萬赫
- 1.3 百萬赫
- 2.4 百萬赫
- 5.8 百萬赫
Custom frequency bands are available upon request for OEM projects.
| 類別 | 選項 | Available Range / Choices | 筆記 |
|---|---|---|---|
| 頻帶 | 工作頻率 | 300–320 MHz / 350–390 MHz / 400–470 MHz / 500–600 MHz / 600–700 MHz / 800–900 MHz / 1.2 百萬赫 / 1.3 百萬赫 / 2.4 百萬赫 / 5.8 百萬赫 | Custom frequency available |
| Bandwidth Type | Narrowband / Wideband / Custom band | Depends on system design | |
| 射頻輸出功率 | Power Level | 1W¯¯ / 2W¯¯ / 5W¯¯ / 10W¯¯ / 20W¯¯ / 40W¯¯ / 50W¯¯ / 100W¯¯ | Higher power requires enhanced cooling |
| Power Stability | ±0.5分貝 / ±1 dB | OEM adjustable | |
| Signal Type Optimization | Linearity Mode | 標準 / 高線性度 / Ultra Linear | Optimized for COFDM/OFDM |
| DPD Support | 選修的 / Available in high-end models | Digital Pre-Distortion | |
| 射頻介面 | 輸入 / 輸出連接器 | SMA / N-Type / 跨國企業 / MCX / MMCX | 預設: SMA |
| 阻抗 | 50Ω standard | Industry standard | |
| 控制介面 | Power Control | TTL ON/OFF / 串口 / 通用輸入輸出介面 / I2C (風俗) | Remote control optional |
| Power Adjustment | 固定的 / 可調節的 / Remote tuning | OEM firmware option | |
| 電源 | 輸入電壓 | 直流5V / 9–12V / 12–24V / 24–28V / 9–36V wide input | Depends on power level |
| 保護 | Reverse polarity / 過電壓 | Standard built-in protection | |
| Cooling System | 冷卻方式 | Passive heatsink / Active fan / Industrial enclosure / Waterproof cooling | Depends on power |
| 熱設計 | 標準 / Enhanced / Military-grade | For high-power models | |
| 機械設計 | 外殼類型 | PCB only / Aluminum case / Shielded metal box / Ruggedized housing | OEM customizable |
| 尺寸 | 標準 / 袖珍的 / 超緊湊 | UAV version available | |
| Weight Optimization | 標準 / Lightweight UAV version | 選修的 | |
| Protection Functions | RF Protection | VSWR protection / Overheat protection / 過流保護 | Standard in all models |
| 監控 | 接收訊號強度指數 / Power detection / Temperature monitoring | Optional telemetry | |
| 系統整合 | Compatible Systems | COFDM發射器 / SDR systems / IP編碼器 / HDMI / CVBS systems | Multi-system support |
| 安裝類型 | 無人機 / 車輛 / Fixed station / 便攜的 | Application-based design | |
| Environmental Specs | 工作溫度 | -20°C 至 +70°C / Industrial -40°C optional | Depends on design |
| 防水等級 | 沒有任何 / IP54 / IP65 / IP67級 | Optional rugged version | |
| OEM/ODM Services | 品牌推廣 | 標誌印刷 / 標籤 / Custom enclosure | Full OEM support |
| 韌體 | Custom control firmware / protocol adaptation | 可用的 | |
| RF Design | Custom frequency plan / gain structure | Engineering required | |
| 生產 | Prototype / Small batch / 量產 | MOQ supported |
Output Power Options
Choose the appropriate power level based on transmission distance requirements:
- 1W¯¯
- 2W¯¯
- 5W¯¯
- 10W¯¯
- 20W¯¯
- 40W¯¯
- 50W¯¯
- 100W¯¯ (requires enhanced thermal design)
Higher power models include reinforced heat dissipation and protection circuits for continuous operation.
技術優勢
1. Optimized for COFDM Systems
Unlike standard RF amplifiers, this module is specifically designed for COFDM modulation, ensuring minimal signal distortion and improved BER performance.
2. High Linearity Performance
Maintains signal integrity even under high power operation, making it ideal for high-quality video transmission.
3. Stable Long-Range Transmission
Supports stable RF output for long-distance wireless video links in complex environments.
4. 工業可靠性
Designed for UAV, 車輛, and field deployment with strong anti-interference capability.
介面選項
射頻輸入 / 輸出
- SMA (預設)
- N-Type
- 跨國企業
- MMCX / MCX (緊湊的設計)
控制介面
- TTL power control
- UART serial control
- GPIO trigger
- Custom digital control interface (OEM available)
電源選項
- 直流5V
- DC 9–12V
- DC 12–24V (standard industrial version)
- DC 24–28V (high power models)
- Wide voltage input (9–36V optional)
Cooling Options
- Passive heatsink cooling (low power models)
- Aluminum heatsink design
- Active fan cooling system
- Industrial-grade metal enclosure with thermal pad
- Waterproof cooling structure (IP65/IP67 optional)
應用
This COFDM power amplifier is widely used in:
- 無人機 / Drone video transmission systems
- Wireless surveillance systems
- Vehicle-mounted video links
- Military and security communication systems
- Industrial wireless data transmission
- Long-range COFDM video links
代加工 / ODM Customization Services
We support full customization for professional RF integration projects:
- Custom frequency design
- Custom output power levels
- PCB size and structure customization
- OEM branding (標識, 標籤, 外殼)
- Integration with COFDM transmitters
- Custom firmware and control logic
- Private RF system development
Quality & 可靠性
All modules are manufactured with industrial-grade components and tested under strict RF performance standards to ensure:
- Stable long-term operation
- Low signal distortion
- High thermal reliability
- Strong anti-interference capability
Why Choose Our COFDM Power Amplifier?
- Specialized design for COFDM video systems
- Wide frequency and power customization
- Proven performance in UAV and industrial applications
- Strong OEM/ODM engineering support
- Fast prototyping and mass production capability
常問問題
Q1: Is this amplifier compatible with all COFDM systems?
是, it is designed to work with most COFDM and OFDM-based wireless video transmission systems.
Q2: Can I customize frequency and power?
是, both frequency and output power can be fully customized according to your project requirements.
Q3: Is it suitable for drone applications?
是, lightweight and high-efficiency versions are available specifically for UAV systems.
第四季: Do you provide OEM branding?
是, we support logo printing, 外殼定制, 和私人標籤.
訂單資訊
For OEM orders or custom specifications, please contact our engineering team with your requirements:
- 頻帶
- 輸出功率
- Application scenario
- Quantity requirement
We will provide a tailored RF solution and quotation.
Customer Application Case
We provide customized COFDM linear power amplifier solutions for professional wireless video transmission systems. Below is a typical UAV project example demonstrating real-world performance and integration capability.
20 Watts PA 3800-3900MHz (3850+-50MHz 3.8-3.9GHz)
