Method and device for testing digital array module transmitting channel phase congruency
A technology of digital array and transmission channel, which is applied in the direction of measuring device, phase angle between voltage and current, measuring electrical variables, etc. It can solve the problems that the internal synchronization mode cannot be used, and the digital array module has no synchronization signal input/output, etc. Achieve the effects of high test efficiency, high test accuracy, and optimized transmission path
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[0033] combine figure 1 , a digital array module transmit channel phase consistency test method, comprising the steps of:
[0034] a Establish a state control module 1 , the state control module includes FPGA101 , optical module 102 and DAC chip 103 . First, the FPGA is connected to the digital array module 2 through the optical module, and the digital array module is connected to the pulse vector network analyzer 4 through the switch network 3; the second is connected to the external synchronous pulse input port of the pulse vector network analyzer through the DAC.
[0035]b On the rising edge of the clock signal, the state control module controls the working state of the digital array module through the optical module, and at the same time transmits the synchronization signal data to the DAC chip in the state control module, so that the state control module outputs one channel and the working state of the digital array module The synchronous pulse signal uses the pulse sign...
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