| 摘要 |
A decoding apparatus for transmitting a high voltage signal includes a final decoder for switchably transmitting a transmission signal. The final decoder has a switching device that has at least one depletion-mode-type field effect transistor and/or field effect transistor having a low threshold voltage (i.e., 0.1 to 0.4 V), in particular, a low VT field effect transistor. A transmission signal line supplies the transmission signal to the decoder, a driver signal line supplies a driver signal to the decoder, and an output signal line outputs an output signal from the decoder. The driver signal line applies the driver signal to the gate line, the transmission signal line applies the transmission signal to the source line. The field effect transistor is configured to selectively connect the output signal to the output signal line device through the output in response to a reset of the driver signal. The configuration reduces the likelihood of channel degradation and of failure in the field effect transistor.
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