RF Technical Parameters and Key Specifications
nnThe following table outlines the core technical specifications of the power amplifier module, covering frequency range, output power, gain, and critical operational limits.nn
| Parameter | Technical Value |
|---|---|
| Working Frequency | 5100–5500 MHz |
| Saturated Power Output | 43±1 dBm |
| Gain | 43±2 dB |
| In-Band Flatness | ≤ ±1 dB (typical) |
| Working Current | ≤ 4 A |
| Input/Output VSWR | ≤ 1.5 |
| Maximum Input (Lossless) | +10 dBm |
| Operating Voltage | DC +28 V |
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Control, Alarms, and Protections
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PA Enable Control
nThe PA Enable input uses a simple logic level: applying 3.3–5 V turns the PA OFF, while connecting to GND turns the PA ON. This design simplifies integration with standard microcontroller or system control signals.nn
Alarm and Protection Features
nThe module includes two critical protection mechanisms to ensure reliable operation and prevent damage:nn
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- Overheat Alarm and Protection: When the PA temperature exceeds 85°C, an alarm is triggered (3.3 V output indicates temperature alarm; 0 V indicates normal). The PA automatically shuts OFF if overheating continues. Normal operation resumes below 65°C.
- VSWR Error Alarm and Protection: A VSWR error is detected and reported via a 3.3 V output (0 V indicates normal). The VSWR error threshold is adjustable using an onboard resistor. The PA turns OFF when a VSWR error is detected, protecting the amplifier from excessive reflected power.
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Power Supply and Interface Details
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| Interface / Component | Specification |
|---|---|
| Power Supply Interface | Feed-through capacitor |
| RF Port | SMA-KFD (female) |
| Monitoring Interface | 5-pin, 2.54 mm pitch header |
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Mechanical Dimensions and Environmental Conditions
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Physical Size
nThe amplifier is compact and designed for easy integration. Its dimensions are 140 mm (length) × 71 mm (width) × 20 mm (height).nn
Operating Environment
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| Environmental Parameter | Specification |
|---|---|
| Operating Temperature | -10 to +65°C |
| Relative Humidity | 5%–95% (non-condensing) |
| Storage Temperature | -25 to +70°C |
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Conclusion
nThis power amplifier module delivers robust performance in the 5.1–5.5 GHz band, featuring a saturated output power of 43 dBm and a gain of 43 dB. Its comprehensive protection suite—including overheat and adjustable VSWR error alarms—ensures long-term reliability in demanding RF applications. The compact mechanical design (140×71×20 mm) and standard monitoring and power interfaces facilitate straightforward system integration. For engineers seeking a high-power, protected RF solution in this frequency range, these RF technical parameters provide the clarity needed for confident design and deployment.
