| 摘要 |
<p>Apparatus and methods for high voltage amplification with low noise are provided. In one implementation, a high voltage low noise amplification apparatus includes a low noise broadband amplification circuit configured to amplify a first component of an input signal, the first component comprising a first subset of frequencies; an output isolator configured to create an isolated signal, the isolated signal being the input signal referenced against a broadband output of the low noise broadband amplification circuit; a low frequency amplification circuit configured to amplify a second component of the signal, the second component comprising a second subset of frequencies, wherein the second subset of frequencies is lower than the first subset; and a combination circuit configured to combine the broadband output with a low frequency output of the low frequency amplification circuit.
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