COFDM Linear Power Amplifier for Wireless Video Transmission
ال 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, أنظمة المراقبة, and industrial wireless communication systems.
We support full تصنيع المعدات الأصلية / ODM customization, including frequency band, طاقة الإخراج, interface type, and mechanical design.
جدول المحتويات
الميزات الرئيسية
- High linearity design optimized for COFDM / OFDM signals
- Wide frequency range: 300 ميغاهيرتز إلى 5.8 GHz (قابل للتخصيص)
- Output power up to 100W (depends on model)
- Low distortion RF amplification for stable video transmission
- الحماية المضمنة: overheat, VSWR, and over-current protection
- Industrial-grade reliability for harsh environments
- تصنيع المعدات الأصلية / تخصيص ODM متاح
- Compact and integration-friendly design
خيارات التردد
Available frequency bands:
- 300–320 MHz
- 350–390 MHz
- 400–470 MHz (most popular)
- 500-600 ميجاهيرتز
- 600–700 MHz
- 800-900 ميجا هرتز
- 1.2 GHz
- 1.3 GHz
- 2.4 GHz
- 5.8 GHz
Custom frequency bands are available upon request for OEM projects.
| فئة | خيار | Available Range / Choices | ملحوظات |
|---|---|---|---|
| نطاق التردد | تردد العمل | 300–320 MHz / 350–390 MHz / 400–470 MHz / 500-600 ميجاهيرتز / 600–700 MHz / 800-900 ميجا هرتز / 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 | |
| طاقة خرج الترددات اللاسلكية | Power Level | 1W / 2W / 5W / 10W / 20W / 40W / 50W / 100W | Higher power requires enhanced cooling |
| Power Stability | ±0.5 dB / ±1 dB | OEM adjustable | |
| Signal Type Optimization | Linearity Mode | معيار / High Linearity / Ultra Linear | Optimized for COFDM/OFDM |
| DPD Support | خياري / Available in high-end models | Digital Pre-Distortion | |
| واجهة الترددات اللاسلكية | مدخل / موصل الإخراج | سما / نوع N / الشركات عبر الوطنية / مسكس / MMCX | تقصير: سما |
| مقاومة | 50Ω standard | Industry standard | |
| واجهة التحكم | Power Control | TTL ON/OFF / UART / جيبيو / I2C (مخصص) | Remote control optional |
| Power Adjustment | مُثَبَّت / قابل للتعديل / Remote tuning | OEM firmware option | |
| مزود الطاقة | جهد الإدخال | تيار مستمر 5 فولت / 9-12 فولت / 12–24V / 24–28V / 9–36V wide input | Depends on power level |
| حماية | Reverse polarity / Over-voltage | Standard built-in protection | |
| Cooling System | Cooling Method | Passive heatsink / Active fan / Industrial enclosure / Waterproof cooling | Depends on power |
| Thermal Design | معيار / Enhanced / Military-grade | For high-power models | |
| Mechanical Design | نوع الضميمة | PCB only / Aluminum case / Shielded metal box / Ruggedized housing | تصنيع المعدات الأصلية للتخصيص |
| مقاس | معيار / مدمج / Ultra-compact | UAV version available | |
| Weight Optimization | معيار / Lightweight UAV version | خياري | |
| Protection Functions | RF Protection | VSWR protection / Overheat protection / Over-current protection | Standard in all models |
| يراقب | آر إس إس آي / Power detection / Temperature monitoring | Optional telemetry | |
| تكامل النظام | Compatible Systems | الارسال COFDM / SDR systems / IP encoder / HDMI / CVBS systems | Multi-system support |
| Installation Type | الطائرات بدون طيار / Vehicle / Fixed station / محمول | Application-based design | |
| Environmental Specs | Operating Temp | -20درجة مئوية إلى +70 درجة مئوية / Industrial -40°C optional | Depends on design |
| تصنيف مقاوم للماء | لا أحد / IP54 / IP65 / IP67 | Optional rugged version | |
| OEM/ODM Services | العلامة التجارية | طباعة الشعار / ملصق / Custom enclosure | Full OEM support |
| البرامج الثابتة | Custom control firmware / protocol adaptation | متاح | |
| RF Design | Custom frequency plan / gain structure | Engineering required | |
| إنتاج | Prototype / Small batch / إنتاج متسلسل | 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. الموثوقية الصناعية
Designed for UAV, عربة, and field deployment with strong anti-interference capability.
خيارات الواجهة
مدخلات التردد اللاسلكي / الإخراج
- سما (تقصير)
- نوع N
- الشركات عبر الوطنية
- MMCX / مسكس (تصميم مدمج)
واجهة التحكم
- TTL power control
- UART serial control
- GPIO trigger
- Custom digital control interface (OEM available)
خيارات إمدادات الطاقة
- تيار مستمر 5 فولت
- DC 9–12V
- تيار مستمر 12-24 فولت (standard industrial version)
- DC 24–28V (high power models)
- مدخلات الجهد واسعة (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)
التطبيقات
This COFDM power amplifier is widely used in:
- الطائرات بدون طيار / 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
تصنيع المعدات الأصلية / 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 (شعار, ملصق, الضميمة)
- Integration with COFDM transmitters
- Custom firmware and control logic
- Private RF system development
جودة & مصداقية
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
- قدرة قوية ضد التدخل
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
التعليمات
س1: Is this amplifier compatible with all COFDM systems?
نعم فعلا, it is designed to work with most COFDM and OFDM-based wireless video transmission systems.
Q2: Can I customize frequency and power?
نعم فعلا, both frequency and output power can be fully customized according to your project requirements.
س3: Is it suitable for drone applications?
نعم فعلا, lightweight and high-efficiency versions are available specifically for UAV systems.
س 4: Do you provide OEM branding?
نعم فعلا, we support logo printing, enclosure customization, ووضع العلامات الخاصة.
Order Information
For OEM orders or custom specifications, please contact our engineering team with your requirements:
- نطاق التردد
- طاقة الإخراج
- 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)
