Impedance test device of low-voltage electric power carrier channel
A low-voltage power carrier and impedance testing technology, applied in measuring devices, measuring resistance/reactance/impedance, measuring electrical variables, etc., can solve the problems that affect the accuracy of the carrier measurement value, cannot measure the impedance phase, and the carrier measurement frequency points are limited.
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[0013] Specific implementation mode one: the following combination Figure 1 to Figure 2 Describe this embodiment, this embodiment comprises DDS carrier signal source 1, high-frequency power amplifier 2, high-frequency transformer 3, detuning circuit coupling unit 4, embedded signal acquisition and processing system 5 and free coordinate axis vector test unit 6,
[0014] The starting carrier control terminal of the embedded signal acquisition and processing system 5 is connected with the signal control terminal of the DDS carrier signal source 1, and the test input and output terminals of the embedded signal acquisition and processing system 5 are connected with the test input and output terminals of the free coordinate axis vector test unit 6 ,
[0015] The output end of the DDS carrier signal source 1 is connected to the input end of the high frequency power amplifier 2, the output end of the high frequency power amplifier 2 is connected to the primary side of the high frequ...
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