Invention Grant
- Patent Title: Symmetric is linear equalization circuit with increased gain
- Patent Title (中): 对称线性增益增益线性均衡电路
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Application No.: US14280305Application Date: 2014-05-16
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Publication No.: US09148087B1Publication Date: 2015-09-29
- Inventor: Armin Tajalli
- Applicant: Kandou Labs SA
- Applicant Address: CH
- Assignee: KANDOU LABS, S.A.
- Current Assignee: KANDOU LABS, S.A.
- Current Assignee Address: CH
- Agency: Invention Mine LLC
- Main IPC: H03F3/191
- IPC: H03F3/191 ; H03F1/02 ; H03G3/00 ; H03F3/16 ; H03M7/00

Abstract:
Circuits providing low noise amplification with continuous time linear equalization are described. An exemplary circuit includes four amplification elements, such as MOS transistors. The amplification elements are arranged in differential pairs, and the differential pairs are cross-coupled with a frequency-dependent coupling, such as a capacitive coupling, to enhance high-frequency gain. The outputs of the amplification elements are combined to provide an output representing inverted and un-inverted sums of differences in the input signals.
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