High-Frequency 50W DDS Adjustable Signal Source Module with Monitoring Function – Uncompromising Protection for Critical Zones
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In an era where low-altitude aerial threats are increasingly sophisticated, securing sensitive airspace demands technology that is both powerful and intelligent. The High-Frequency 50W DDS Adjustable with Monitoring Function Signal Source Module 4800-5300MHz stands as a premier solution for radio interference and security suppression. Engineered for military perimeters, government facilities, and critical infrastructure, this module delivers a robust defense against unauthorized drone intrusions, ensuring regional safety and operational order. Its precise coverage of the 4800–5300 MHz frequency band guarantees stable and efficient interference, making it an indispensable component for any professional signal generator system.
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What sets this module apart is not just its raw power, but its intelligent monitoring function. This core advantage allows for real-time oversight of the system’s health and performance. Whether deployed at a temporary security checkpoint or as part of a permanent fixed installation, the module provides the feedback necessary to ensure continuous, safe operation in the most demanding environments.
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Unrivaled Power and Performance in a Compact Design
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This module is built for heavy-duty interference tasks. It supports a staggering 50W high-power output, but its flexibility is what truly empowers the operator. Through software programming, the output power can be adjusted from 10W to 50W, allowing for precise control based on the specific threat level or operational requirements. The result is a signal generator that is as adaptable as it is powerful. Key performance indicators are carefully engineered to ensure clean, stable, and effective signal transmission.
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| Parameter | Value | Remark |
|---|---|---|
| Working Frequency | 4800–5300 MHz | Precise band coverage |
| Rated Output Power | 50W | High-power for effective suppression |
| Operating Voltage | 28V | Range: 24–36V |
| Conversion Efficiency | ≥42% @50W | Efficient power utilization |
| Adjustable Output Power | 10W ~ 50W | Software configurable |
| ALC Power Adjustment Range | ≥20dB | Voltage controlled attenuation |
| Gain | 47±1.0dB | Stable amplification |
| In-Band Fluctuation | ≤2.5dB | Consistent output across band |
| In-Band Spurious (peak) | ≤-15dBm/1MHz | Measured at CW max output |
| Out-of-Band Emission (9kHz–1GHz) | No higher than noise floor | Clean spectral output |
| Out-of-Band Emission (1–12.75GHz) | No higher than noise floor | Excellent spurious suppression |
| Max Allowable Input Power | ≥+10dBm | Lasts 1min without damage |
| Input VSWR | ≤1.35 | Add +28V, standard network output -10dBm |
| Output VSWR | ≤1.35 | No power, standard network output -10dBm / Power On, Dual Directional Coupler Test |
| Working Temperature | -10 ~ +65°C | Low temperature start, monitoring works normally |
| Gain Stability | ±1.5dB | @-40°C ~ +65°C |
| Power Stability | ±1dB | @-40°C ~ +65°C |
| Power Requirements | ≥4.5A @+28Vdc | CW output 50W |
| Power & Communication Interface | RS485 7W2 Male | 1: 485A; 2: 485B |
| RF Output Connector | N-Female | With 3 LED lights (POWER, RUN, ALARM) |
| Physical Dimensions | 155 x 125 x 26mm | 700M-6G version |
| Physical Dimensions (Alternate) | 155 x 125 x 35mm | 20M-500M version |
| Weight | N/A | Compact and lightweight for easy installation |
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Its compact form factor, measuring just 155 x 125 x 26mm, allows for straightforward integration into existing systems or new deployments. The inclusion of a standard N-Female RF output connector and a clear three-LED status panel (POWER, RUN, ALARM) ensures that installation and basic diagnostics are quick and intuitive.
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Intelligent Monitoring Function – The Brain Behind the Brawn
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The true genius of this monitoring function lies in its ability to transform raw hardware into a proactive security asset. The module integrates comprehensive parameter control, allowing it to automatically detect and respond to operational anomalies. This capability is critical for remote or unattended installations, where manual intervention is not always possible. The module constantly tracks key metrics such as output power, standing wave ratio, and internal temperature, providing a complete picture of system health.
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In the event of a fault condition—such as over-temperature, over-voltage, under-power, or an abnormal standing wave—the system triggers an immediate alarm and activates automatic protection mechanisms. This not only prevents damage to the module itself but also maintains the integrity of the security operation. For example, if the internal temperature exceeds 85°C, the amplifier automatically shuts down, resuming operation only when it cools to 65°C. This hands-off management ensures the signal generator keeps working when you need it most, without human oversight.
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All monitoring parameters are accessible via the RS485 communication bus, enabling remote telemetry and control. The following table details the extensive list of setting and query parameters available to the operator.
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| Category | Monitor / Setting Function | Description |
|---|---|---|
| Amplifier Parameters (Setting) | Amplifier Switch | Turn the amplifier on or off |
| Alarm Switch | Enable/disable all alarm functions | |
| Downlink Power Control | Set max output power (range ≥20dB); high, medium, low level selection | |
| Over-Temperature Alarm Threshold | Set auto-shutdown temp (default ~85°C); auto-restore at ~65°C | |
| Over-Power Alarm | Triggers when actual power is 2dB above ALC start threshold | |
| Standing Wave Alarm | Auto-shutdown when detected VSWR > 4.0 | |
| Over/Under Voltage & Current Alarms | Overcurrent >12A, Overvoltage >32V, Under-voltage, Under-power (<33dBm) | |
| Amplifier Parameters (Query) | Amplifier Switch Status | Confirms ON or OFF state |
| Downstream Output Power Level | Detects actual output power (range: Pomax+2 to Pomax-20), accuracy: Pout±1dB | |
| Downward Standing Wave Ratio | Normal ~1.2; mismatched load ~4.0 | |
| Temperature Query | Detects internal temperature (-40°C ~ +100°C), error: ±3°C | |
| ALC Value Query | Displays actual ALC setting value | |
| Voltage Detection | Detects module operating voltage | |
| Current Detection | Detects module operating current | |
| Signal Generator Settings | Frequency Setting Mode 1 | Any single frequency point within range (accuracy 1MHz) |
| Frequency Setting Mode 2 | Broadband frequency sweep with configurable frequency, interval, and step | |
| Frequency Setting Mode 3 | Set any 4 sub-frequency segments within bandwidth; sub-segments increment |
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Communication and Control
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The module uses the robust RS485 communication protocol, which is ideal for industrial and long-distance control applications. The interface pinout is simple: +28V for power, GND for ground, and pins 1 (485A) and 2 (485B) for data transmission. This standardization makes integration with existing control systems seamless. The monitoring function provides the operator with the data needed to make informed decisions, while the automatic protection features ensure the equipment remains safe even when unattended.
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Conclusion
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The High-Frequency 50W DDS Adjustable with Monitoring Function Signal Source Module is more than just a component; it is a complete, intelligent system-on-a-module. Its high-power output, wide adjustment range, and meticulous spectral purity make it a superior choice for demanding anti-drone and interference applications. But its true strength is its comprehensive monitoring function, which provides real-time data, proactive fault management, and automatic self-protection. From the convenience of RS485 remote communication to the reliability of its thermal and electrical safeguard systems, every aspect of this module is engineered for mission-critical performance. Whether you are deploying a permanent perimeter defense or a mobile suppression unit, this signal generator delivers the power, intelligence, and reliability you need to maintain absolute control over your protected airspace.
