Printed circuit board
A printed circuit board and circuit board technology, which is applied in the direction of measuring electricity, measuring electrical variables, measuring devices, etc., can solve problems such as the influence of unstable test results
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[0012] Please refer to figure 1 and figure 2 , the printed circuit board 100 of the present invention includes several test interfaces, taking the test interface 10 as an example, the test interface 10 includes a first pin 11 , a second pin 12 , a third pin 13 and a fourth pin 14 . The first pin 11 is sequentially connected to a first test point 21 and a first terminal resistor 31 through a wire, and the second pin 12 is sequentially connected to a second test point 22 and a second terminal resistor 32 through a wire, The third pin 13 is sequentially connected to a third test point 23 and a third terminal resistor 33 through wires, and the fourth pin 14 is sequentially connected to a fourth test point 24 and a fourth terminal resistor 34 through wires. The first pin 11, the second pin 12, the third pin 13 and the fourth pin 14 are respectively connected with the first test point 21, the second test point 22, the third test point 23 and the fourth test point 24 The distances...
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