基于MAX1385的控制回路中的C / C + +实现

摘要：Maxim的MAX1385评估板（EVkit）的软件包括Windows®图形用户界面（GUI）程序;然而，更新此显示的时间成本与控制回路的干扰。本应用笔记显示了更加优化的闭环控制方案，使用一个控制台菜单系统，而不是一个GUI。

Maxim>AppNotes>COMMUNICATIONSCIRCUITSTEMPERATURESENSORSandTHERMALMANAGEMENTKeywords:controlloop,LDMOS,FET,bias,basestation,poweramplifier,RFJun10,2007APPLICATIONNOTE4065ImplementingaMAX1385-BasedControlLoopinC/C++Abstract:Maxim'sMAX1385evaluationkit(EVkit)softwareincludesaWindowsgraphicaluserinterface(GUI)program;however,thetimecostofupdatingthisdisplayinterfereswiththecontrolloop.Thisapplicationnoteshowsamoreoptimalcontrol-loopprogram,usingaconsolemenusysteminsteadofaGUI.WhenusedwiththeMAX1385EVKIT+demoboard,thecontrolloopachievesaregulationaccuracyof±2%.ThisaccuracyislimitedbythegatedriveroutputstepsizeandtheFETtransconductance.Drain-curr