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FairFX PLC is authorised and regulated by the Financial Conduct Authority to provide payment services (FCA No. 488396). Cards beginning 5392 and 5339 are issued by Valitor Limited pursuant to Mastercard International Inc. Valitor is authorised by the Financial Conduct Authority to conduct electronic money service activities under the Electronic Money Regulations 2011 (Ref: 900688). Cards beginning 5195, 5313, 5223 and 5116 are issued by Wirecard Card Solutions Ltd ("WDCS") pursuant to license by Mastercard International Inc. WDCS is authorised by the Financial Conduct Authority to conduct electronic money service activities under the Electronic Money Regulations 2011 (Ref: 900051). Mastercard is a registered trademark, and the circles design is a trademark of Mastercard International Incorporated. FairFX PLC, a company registered in England & Wales (No. 05539698) with registered Office at 3rd Floor, Vintners' Place, 68 Upper Thames St, London, EC4V 3BJ.  For full conditions of use refer to 放大器设计-光电放大电路噪声分析-理论_老王的博客-CSDN博客:2021-1-2 · 一、 摘要： 本文主要介绍噪声是如何产生和放大，并利用 PSpice 进行设计仿真，最后 将仿真结果和实测的结果作对比。没耐心的可以直接看最后两页的性能测试。应该具备的模电知识有： 运放工作原理，增益带宽积，环路增益，闭环增益，开环增益，噪声功率谱，伯德图；推荐恶补资料： 基础 ...