| 摘要 |
The present invention provides a dual stage amplifier with a clamping circuit and a methodology, along with a clamping circuit for use with a dual stage amplifier, which eliminate or reduce the overcharging of a compensation capacitor in such a dual stage amplifier. The amplifier includes a first amplifier stage with a first input and a first output, a second amplifier stage having a second input operatively connected to the first output, and a second output. The amplifier further includes a compensation capacitor in electrical communication with the second input and the second output, and a clamping circuit in electrical communication with the second stage, which is adapted to prevent overcharging of the compensation capacitor. The clamping circuit may include a low vgs clamp, a high vgs clamp, and/or a combination low and high vgs clamp, wherein the low vgs clamp is adapted to bias the second input away from a negative supply, and the high vgs clamp is adapted to bias the second input away from a positive supply.
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