| 摘要 |
The invention discloses an analog front end device comprising a band-gap voltage reference circuit and at least one conversion circuit, wherein the conversion circuit includes a clamper, an input buffer, a low-pass filter, a high frequency gain unit and an analog to digital converter. The analog front end device utilize a high frequency gain unit to increase high frequency gain of the image analog signal for increasing the usable number of sampling phase of the image analog signal.
|
