| 摘要 |
The testing device is provided with the first element having one end coupled to an input terminal, and the other end coupled to an output terminal, and attenuating a direct-current component, and the second element having one end coupled to the input terminal, and attenuating an alternating current component. The manufacturing method of a semiconductor device includes the step which connects an external output terminal of the semiconductor device, and the input terminal of the testing device, and connects an external input terminal of the semiconductor device, and the output terminal of the testing device, the step which tests the voltage of the other end of the second element, and the step which outputs an alternating current signal to the testing device from the external output terminal of the semiconductor device, and tests the signal which the semiconductor device received in the external input terminal from the testing device.
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