High-Stability 25W 8-18GHz Broadband Power Amplifier
This High Stability 25W Power Amplifier Module is a high-performance RF amplifier designed for the 8-18GHz frequency band. It incorporates an advanced liquid cooler design that effectively addresses thermal management challenges during high-power operation, ensuring stable performance across a wide temperature range from -40℃ to +60℃. Its high stability is reflected not only in temperature adaptability but also in excellent gain flatness and low harmonic distortion, making it suitable for demanding applications such as industrial heating, wireless communication, radar systems, and scientific research.
This power amplifier module delivers a saturated output power of 44±1dBm, with gain flatness below 1.5dB and input/output VSWR less than 1.5, positioning it at the forefront of industry standards. The module is equipped with intelligent protection mechanisms, including reverse polarity protection, over-temperature protection (shuts down at 85℃, resumes at 65℃), over/under voltage protection (shuts down above 36V or below 24V), and over-current protection (shuts down above 10A), ensuring reliable operation in complex environments.
In summary, this high stability liquid-cooled power amplifier module is an ideal choice for modern high-power RF systems, particularly those requiring exceptional performance and reliability.
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Frequency Range |
8-18GHz |
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Input Signal Type |
CW&Pulsed |
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Input Pulse Width Range |
50ns to CW |
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RF Input Drive |
0-3dBm |
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Saturated Output Power |
44±1dBm |
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Flatness @Psat |
±2dB Max |
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Gain Flatness |
<3dB |
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Second Harmonics @Max. Power |
>10dBc |
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Non-Harmonics Spurious @Max. Power |
>60dBc |
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Protection |
Reverse Polarity Protection |
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Over temperature protection (Temperature Over 85°C, amplifier power off; Temperature below 65°C, amplifier power on) |
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Overvoltage and undervoltage protection (voltage Over 36V&below 24V, amplifier power off) |
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Overcurrent protection (amplifier power current over 10A, amplifier power off) |
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Monitoring |
Temperature, Current |
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Output VSWR |
<1.5:1 |
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Input VSWR |
<1.5:1 |
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Input/output Impedances |
50ohm |
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Power ON/OFF Time |
<10us |
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Power ON/OFF TTL |
0/3.3V (Power on: 3.3V, Power off: 0V; Default value: 3.3V) |
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Operating Voltage |
28V/3.2A |
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Dimensions |
Max:120±0.5mm×80±0.5mm×20±0.5mm |
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Weight |
≤1kg |
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Operating Temperature |
-40°C to +60°C |
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Communication Model |
RS485 serial communication |






