COFDM Linear Power Amplifier for Wireless Video Transmission
các COFDM Linear Power Amplifier is a high-performance RF amplification module designed for professional wireless video transmission systems. Nó được tối ưu hóa cho COFDM / OFDM modulation signals, ensuring low distortion, high linearity, and stable long-range transmission performance.
This amplifier is widely used in liên kết video UAV, drone systems, vehicle-mounted transmission, hệ thống giám sát, and industrial wireless communication systems.
We support full OEM / ODM customization, including frequency band, công suất đầu ra, interface type, and mechanical design.
Mục lục
Các tính năng chính
- High linearity design optimized for COFDM / tín hiệu OFDM
- Wide frequency range: 300 MHz đến 5.8 GHz (tùy chỉnh)
- Output power up to 100W (depends on model)
- Low distortion RF amplification for stable video transmission
- Bảo vệ tích hợp: overheat, VSWR, and over-current protection
- Industrial-grade reliability for harsh environments
- OEM / ODM customization available
- 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 GHz
- 1.3 GHz
- 2.4 GHz
- 5.8 GHz
Custom frequency bands are available upon request for OEM projects.
| Loại | Lựa chọn | Available Range / Choices | Ghi chú |
|---|---|---|---|
| Dải tần | Tần số làm việc | 300–320 MHz / 350–390 MHz / 400–470 MHz / 500–600 MHz / 600–700 MHz / 800–900 MHz / 1.2 GHz / 1.3 GHz / 2.4 GHz / 5.8 GHz | Custom frequency available |
| Bandwidth Type | Narrowband / Wideband / Custom band | Depends on system design | |
| Công suất đầu ra RF | Power Level | 1W / 2W / 5W / 10W / 20W / 40W / 50W / 100W | Higher power requires enhanced cooling |
| Power Stability | ±0,5dB / ±1 dB | OEM adjustable | |
| Signal Type Optimization | Linearity Mode | Tiêu chuẩn / Độ tuyến tính cao / Ultra Linear | Optimized for COFDM/OFDM |
| DPD Support | Không bắt buộc / Available in high-end models | Digital Pre-Distortion | |
| Giao diện RF | đầu vào / Đầu nối đầu ra | SMA / N-Type / TNC / MCX / MMCX | Mặc định: SMA |
| Trở kháng | 50Ω standard | Industry standard | |
| Giao diện điều khiển | Power Control | TTL ON/OFF / UART / GPIO / I2C (phong tục) | Remote control optional |
| Power Adjustment | Đã sửa / có thể điều chỉnh / Remote tuning | OEM firmware option | |
| Nguồn điện | Điện áp đầu vào | DC 5V / 9–12V / 12–24V / 24–28V / 9–36V wide input | Depends on power level |
| Sự bảo vệ | Reverse polarity / Quá điện áp | Standard built-in protection | |
| Cooling System | Phương pháp làm mát | Passive heatsink / Active fan / Industrial enclosure / Waterproof cooling | Depends on power |
| Thermal Design | Tiêu chuẩn / Enhanced / Military-grade | For high-power models | |
| Mechanical Design | Loại bao vây | PCB only / Aluminum case / Shielded metal box / Ruggedized housing | OEM tùy chỉnh |
| Kích cỡ | Tiêu chuẩn / Nhỏ gọn / Ultra-compact | UAV version available | |
| Weight Optimization | Tiêu chuẩn / Lightweight UAV version | Không bắt buộc | |
| Protection Functions | RF Protection | VSWR protection / Overheat protection / Over-current protection | Standard in all models |
| Giám sát | RSSI / Power detection / Temperature monitoring | Optional telemetry | |
| Tích hợp hệ thống | Compatible Systems | COFDM phát / SDR systems / IP encoder / HDMI / CVBS systems | Multi-system support |
| Kiểu cài đặt | máy bay không người lái / Phương tiện giao thông / Fixed station / Cầm tay | Application-based design | |
| Environmental Specs | Nhiệt độ hoạt động | -20°C đến +70°C / Industrial -40°C optional | Depends on design |
| Đánh giá chống thấm nước | Không có / IP54 / IP65 / IP67 | Optional rugged version | |
| OEM/ODM Services | Xây dựng thương hiệu | In logo / Nhãn / Custom enclosure | Full OEM support |
| Phần sụn | Custom control firmware / protocol adaptation | Available | |
| RF Design | Custom frequency plan / gain structure | Engineering required | |
| Production | Prototype / Small batch / Sản xuất hàng loạt | 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.
Technical Advantages
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. Industrial Reliability
Designed for UAV, phương tiện giao thông, and field deployment with strong anti-interference capability.
Tùy chọn giao diện
Đầu vào RF / đầu ra
- SMA (mặc định)
- N-Type
- TNC
- MMCX / MCX (thiết kế nhỏ gọn)
Giao diện điều khiển
- TTL power control
- UART serial control
- GPIO trigger
- Custom digital control interface (OEM available)
Tùy chọn cung cấp điện
- DC 5V
- DC 9–12V
- DC 12–24V (standard industrial version)
- DC 24–28V (high power models)
- Đầu vào điện áp rộng (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)
Ứng dụng
This COFDM power amplifier is widely used in:
- máy bay không người lái / 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
OEM / 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 (logo, nhãn, bao vây)
- Integration with COFDM transmitters
- Custom firmware and control logic
- Private RF system development
Chất lượng & Độ tin cậy
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
Hỏi đáp
Q1: Is this amplifier compatible with all COFDM systems?
Vâng, it is designed to work with most COFDM and OFDM-based wireless video transmission systems.
Q2: Can I customize frequency and power?
Vâng, both frequency and output power can be fully customized according to your project requirements.
Q3: Is it suitable for drone applications?
Vâng, lightweight and high-efficiency versions are available specifically for UAV systems.
Q4: Do you provide OEM branding?
Vâng, we support logo printing, enclosure customization, and private labeling.
Order Information
For OEM orders or custom specifications, please contact our engineering team with your requirements:
- Dải tần
- Công suất đầu ra
- 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)
