| 摘要 |
An analog clipping circuit includes: a main amplifier 20; a feedback resistor 26 coupled between a first input of the main amplifier 20 and an output of the main amplifier 20; a first current source 50 coupled in parallel with the feedback resistor 26; a first clipping amplifier 42 coupled to the first current source 50 for controlling the first current source 50, the first clipping amplifier 42 having a first input coupled to an output of the main amplifier 20 and a second input coupled to a first reference node; a second current source 54 coupled in parallel with the feedback resistor 26; and a second clipping amplifier 44 coupled to the second current source 54 for controlling the second current source 54, the second clipping amplifier 44 having a first input coupled to an output of the main amplifier 20 and a second input coupled to a reference node.
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