COFDM Linear Power Amplifier for Wireless Video Transmission
این COFDM Linear Power Amplifier is a high-performance RF amplification module designed for professional wireless video transmission systems. برای بهینه سازی شده است 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, سیستم های نظارتی, and industrial wireless communication systems.
We support full OEM / ODM customization, including frequency band, توان خروجی, نوع رابط, and mechanical design.
فهرست مطالب
ویژگی های کلیدی
- High linearity design optimized for COFDM / سیگنال های OFDM
- Wide frequency range: 300 مگاهرتز به 5.8 گیگاهرتز (قابل تنظیم)
- Output power up to 100W (depends on model)
- Low distortion RF amplification for stable video transmission
- Built-in protection: overheat, VSWR, and over-current protection
- Industrial-grade reliability for harsh environments
- OEM / سفارشی سازی ODM در دسترس است
- Compact and integration-friendly design
گزینه های فرکانس
Available frequency bands:
- 300–320 MHz
- 350–390 MHz
- 400–470 MHz (most popular)
- 500–600 MHz
- 600–700 MHz
- 800-900 مگاهرتز
- 1.2 گیگاهرتز
- 1.3 گیگاهرتز
- 2.4 گیگاهرتز
- 5.8 گیگاهرتز
Custom frequency bands are available upon request for OEM projects.
| دسته بندی | گزینه | Available Range / Choices | یادداشت ها |
|---|---|---|---|
| باند فرکانس | فرکانس کاری | 300–320 MHz / 350–390 MHz / 400–470 MHz / 500–600 MHz / 600–700 MHz / 800-900 مگاهرتز / 1.2 گیگاهرتز / 1.3 گیگاهرتز / 2.4 گیگاهرتز / 5.8 گیگاهرتز | Custom frequency available |
| Bandwidth Type | Narrowband / Wideband / Custom band | Depends on system design | |
| توان خروجی RF | سطح قدرت | 1W / 2W / 5W / 10W / 20W / 40W / 50W / 100W | Higher power requires enhanced cooling |
| Power Stability | ± 0.5 دسی بل / ±1 dB | OEM adjustable | |
| Signal Type Optimization | Linearity Mode | استاندارد / خطی بودن بالا / Ultra Linear | Optimized for COFDM/OFDM |
| DPD Support | اختیاری / Available in high-end models | Digital Pre-Distortion | |
| رابط RF | ورودی / Output Connector | SMA / N-Type / TNC / MCX / MMCX | پیش فرض: SMA |
| امپدانس | 50Ω standard | Industry standard | |
| رابط کنترل | Power Control | TTL ON/OFF / UART / GPIO / I2C (سفارشی) | Remote control optional |
| Power Adjustment | ثابت شد / قابل تنظیم / Remote tuning | OEM firmware option | |
| منبع تغذیه | ولتاژ ورودی | DC 5V / 9–12V / 12–24V / 24–28V / 9–36V wide input | Depends on power level |
| حفاظت | Reverse polarity / Over-voltage | Standard built-in protection | |
| Cooling System | روش خنک کننده | Passive heatsink / Active fan / Industrial enclosure / Waterproof cooling | Depends on power |
| Thermal Design | استاندارد / Enhanced / Military-grade | For high-power models | |
| Mechanical Design | نوع محوطه | PCB only / Aluminum case / Shielded metal box / Ruggedized housing | OEM قابل تنظیم |
| اندازه | استاندارد / فشرده / فوق فشرده | UAV version available | |
| Weight Optimization | استاندارد / Lightweight UAV version | اختیاری | |
| Protection Functions | RF Protection | VSWR protection / Overheat protection / Over-current protection | Standard in all models |
| نظارت | RSSI / Power detection / Temperature monitoring | Optional telemetry | |
| یکپارچه سازی سیستم | Compatible Systems | فرستنده COFDM / SDR systems / رمزگذار IP / HDMI / CVBS systems | Multi-system support |
| Installation Type | پهپاد / وسیله نقلیه / Fixed station / قابل حمل | Application-based design | |
| Environmental Specs | دمای عملیاتی | -20درجه سانتی گراد تا +70 درجه سانتی گراد / Industrial -40°C optional | Depends on design |
| رتبه بندی ضد آب | هیچ کدام / IP54 / IP65 / IP67 | Optional rugged version | |
| OEM/ODM Services | Branding | چاپ لوگو / Label / Custom enclosure | Full OEM support |
| سیستم عامل | Custom control firmware / protocol adaptation | موجود است | |
| RF Design | Custom frequency plan / gain structure | Engineering required | |
| تولید | Prototype / Small batch / تولید انبوه | 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.
مزایای فنی
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. قابلیت اطمینان صنعتی
Designed for UAV, وسیله نقلیه, and field deployment with strong anti-interference capability.
Interface Options
ورودی RF / خروجی
- SMA (پیش فرض)
- N-Type
- TNC
- MMCX / MCX (طراحی فشرده)
رابط کنترل
- TTL power control
- UART serial control
- GPIO trigger
- Custom digital control interface (OEM available)
گزینه های منبع تغذیه
- DC 5V
- DC 9–12V
- DC 12-24 ولت (standard industrial version)
- DC 24–28V (high power models)
- ورودی ولتاژ گسترده (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)
برنامه های کاربردی
This COFDM power amplifier is widely used in:
- پهپاد / 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 (لوگو, label, محوطه)
- Integration with COFDM transmitters
- Custom firmware and control logic
- Private RF system development
Quality & قابلیت اطمینان
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
پرسش و پاسخ
Q1: Is this amplifier compatible with all COFDM systems?
بله, it is designed to work with most COFDM and OFDM-based wireless video transmission systems.
Q2: Can I customize frequency and power?
بله, both frequency and output power can be fully customized according to your project requirements.
Q3: Is it suitable for drone applications?
بله, lightweight and high-efficiency versions are available specifically for UAV systems.
Q4: Do you provide OEM branding?
بله, we support logo printing, enclosure customization, و برچسب زدن خصوصی.
Order Information
For OEM orders or custom specifications, please contact our engineering team with your requirements:
- باند فرکانس
- توان خروجی
- 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)
