| 摘要 |
A reference buffer is disclosed. The reference buffer includes a main source follower stage, a replica source follower stage, and a low-pass filter. The main source follower stage provides a first main voltage according to a first driving voltage. The replica source follower stage duplicates the first main voltage to generate a first reference voltage. The low-pass filter is coupled between the main source follower stage and the replica source follower stage.
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