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Variable gain amplifier and method for achieving variable gain amplification with high bandwidth and linearity
Variable gain amplifier and method for achieving variable gain amplification with high bandwidth and linearity
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机译:可变增益放大器和用于实现具有高带宽和线性度的可变增益放大的方法
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摘要
Various example embodiments are disclosed. According to one example embodiment, a high bandwidth, fine granularity variable gain amplifier (“VGA”) may comprise an attenuator, a gain block and a gain adjustment control. The attenuator may comprise at least one pair of attenuator differential input nodes and at least one pair of attenuator differential output nodes. The gain block may comprise at least one pair of gain block differential input nodes coupled to the at least one pair of attenuator differential output nodes and at least one pair of gain block differential output nodes. The gain adjustment control may be configured to adjust a gain of the gain block.
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