Introducing the WMOP-WBPA-300/1600-50W: A 50W Power Amplifier for Demanding RF Environments
nnIn the world of RF and microwave systems, few components are as critical as the power amplifier. The 50W power amplifier model WMOP-WBPA-300/1600-50W sets a new standard for performance, reliability, and versatility. Designed to operate across a broad frequency range of 300 to 1600 MHz, this amplifier leverages cutting-edge Class AB Gallium Nitride (GaN) technology to deliver instantaneous wide bandwidth and exceptional efficiency. Whether you are building military communications systems, radar arrays, or high-precision test equipment, this amplifier ensures robust signal integrity and consistent output. Its compact, lightweight design, weighing just 0.75 kg, makes it an ideal choice for both stationary racks and portable field deployments. In the following sections, we will explore its electrical specifications, mechanical features, and real-world applications, demonstrating why this 50W power amplifier is a must-have for engineers and technicians.nn
Key Features of This 50W Power Amplifier
nnThe WMOP-WBPA-300/1600-50W is engineered for general-purpose RF amplification, offering a blend of high power output, wide bandwidth, and rugged construction. It operates on a 50 Ohm input/output impedance system, ensuring seamless integration with standard RF modules, signal generators, and DDS sources. The amplifier maintains a typical power gain of 48 dB with a gain flatness of ±3 dB, guaranteeing stable performance across its entire frequency range. Built with GaN-on-SiC technology and attached to a copper sub-carrier, the amplifier excels in thermal management, a critical factor for sustained high-power operation. Additional features include MCX female and N female RF connectors, an external heat-sink requirement, and monitoring capabilities for temperature and current. Below, we break down its electrical, environmental, and mechanical specifications.nn
Electrical Specifications at a Glance
nnOperated at a supply voltage of 28-30 VDC and a case temperature of 50°C, the amplifier delivers peak output power of 50W under continuous wave (CW) signals. It achieves 22% typical efficiency while keeping harmonic distortion and spurious emissions at bay. The following table provides detailed electrical parameters:nn
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Operating Frequency | MHz | 300 | – | 1600 |
| Operating Bandwidth | MHz | – | 1300 | – |
| Peak Output Power (CW Signal) | W | – | 50 | – |
| Input Power | dBm | – | -2±3 | – |
| Maximum Input Power (No Damage) | dBm | – | – | 5 |
| Power Gain (Input 0 dBm) | dB | – | 48±3 | – |
| Gain Flatness (Input 0 dBm) | dB | – | – | ±3 |
| Efficiency | % | – | 22 | – |
| Harmonics 1 to N (Output 40W) | dBc | 10 | – | – |
| Spurious Level | dBc | 60 | – | – |
| Input VSWR | dB | – | – | 2:1 |
| Output VSWR | dB | – | – | 2:1 |
| Operating Voltage | V | 28 | – | 30 |
| Current Consumption (Output 40W) | A | – | 6.5 | – |
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Environmental Resilience and Operating Parameters
nnThis 50W power amplifier is built to withstand harsh conditions, from freezing cold to scorching heat. It operates reliably across a wide case temperature range and can be stored in extreme environments without performance degradation. The following table outlines its environmental and voltage specifications:nn
| Parameter | Unit | Rating |
|---|---|---|
| Operating Case Temperature | °C | -20 to 85 |
| Storage Temperature | °C | -40 to 105 |
| Relative Humidity (Non-condensing) | % RH | 95 |
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| Operating Voltage Parameter | Unit | Nominal Voltage | Voltage Accuracy |
|---|---|---|---|
| Supply Voltage | V | 28-30 | ±2% |
| HPA Enable Voltage | V | – | – |
| Current Monitor Voltage | V | – | – |
| Temp Monitor Voltage | V | 0.75V @ 25°C (1°C/0.01V) | – |
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Mechanical Specifications and Integration Details
nnThe amplifier’s compact form factor and lightweight design simplify integration into space-constrained systems. It requires an external heat-sink for optimal thermal management and features robust RF connectors. Below are the mechanical specifications and pin configuration:nn
| Parameter | Unit | Typical Value |
|---|---|---|
| Mass | kg | 0.75 |
| Dimensions | mm | 170 x 77 x 24.5 (Without Connectors) |
| RF Input Connector | – | MCX Female |
| RF Output Connector | – | N Female |
| DC Connector | – | Through core capacitor, Male: Supply |
| Cooling | – | External Heat-sink Required |
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| Pin No | Description |
|---|---|
| A1 | RS485B |
| A2 | External TTL |
| A3 | External TTL |
| A4 | NC |
| A5 | RS485A |
| A6 | GND |
| A7 | GND |
| A8 | NC |
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Real-World Applications of the 50W Power Amplifier
nnThis amplifier shines in applications where high power, low distortion, and wide bandwidth are non-negotiable. When paired with a DDS signal generator, it delivers clean, stable amplification for high-fidelity RF systems. In military communications, its ability to handle extreme temperatures and high VSWR ensures reliable operation in the field. Radar systems benefit from the instantaneous bandwidth and fast switching capabilities. For test equipment, the amplifier’s low spurious level (60 dBc min) and precise gain flatness make it an essential component for signal characterization. Its compact size allows integration into portable setups, while the monitoring outputs (temperature and current) facilitate real-time diagnostics. Whether in a laboratory or a remote deployment, this 50W power amplifier delivers consistent, high-quality performance.nn
Why Choose the WMOP-WBPA-300/1600-50W?
nnIn summary, the WMOP-WBPA-300/1600-50W is more than just a power amplifier—it is a complete solution for engineers demanding the best in RF amplification. Its GaN technology, wide frequency coverage, and robust design ensure that you get maximum performance without compromising on reliability. The 50W power amplifier is optimized for ease of integration, with a 50 Ohm interface, user-friendly pin configuration, and mechanical specifications that suit both rack-mounted and portable systems. From its low harmonic distortion to its high efficiency, every aspect is engineered to meet the toughest requirements. If you are working on advanced RF and microwave systems, this amplifier should be at the top of your list. Choose the WMOP-WBPA-300/1600-50W for your next project and experience the difference that quality amplification can make.
