System and method for testing power stability of highly stable radiofrequency signal
A power stability and radio frequency signal technology, which is used in the measurement of electrical power, electrical devices, measuring devices, etc., can solve the problem that the stability characteristics cannot meet the test requirements of high stability radio frequency signal power stability, and the measurement accuracy of the power meter is limited. Stability and other issues, to achieve the effect of improving confidence and validity, real-time measurement
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[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0023] like figure 1 As shown, the test system suitable for high stability radio frequency signal power stability includes directional coupler, attenuator group, microwave power meter, host computer, high-precision digital multimeter and diode detector. The directional coupler and attenuator group , Microwave power meters are connected in series sequentially, and the upper computer performs system application measurement and control on the microwave power meter and the high-precision digital multimeter respectively through the program-controlled bus. The multimeter is connected, and the diode detector is a gallium arsenide diode detector.
[0024] The diode detector is arranged in the constant temperature chamber.
[0025] The gallium arsenide diode detector utilizes square law characteristics for detection. The detection method with square law chara...
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