Updated civil design policies including standards for geotechnical and contaminated soil testing. Updated structural design requirements, policy for building risk category, and updated codes …
Illinois Department of Central Management Services
Illinois' primary central service agency delivering shared resources to state agencies, employees and local government. Central Management Services (CMS) is the operational engine working …
Projects within the City of Chicago shall be designed in compliance with the current edition of the Chicago Building Code. Approval by CDB is required for designs which deviate from required …
想问一下，Buck电路进入CCM模式和DCM模式的临界条件是什 …
DCM (Discontinuous Conduction Mode)非连续导通模式：在开关周期内的某一时间段电感电流会变成0，意味着电感被适当地“复位”，即功率开关闭合时，电感电流为零。 如果觉得不错，欢 …
Defense Contract Management Agency
DCMA ensures the integrity of the contracting process and provides a range of contract-procurement management services.
Agency - Illinois.gov
Central Management Services (CMS) is the operational engine working behind the scenes to enable the State’s more than 80 agencies, boards, and commissions to deliver efficient, …
开关电源Buck电路CCM和DCM工作模式 - CSDN博客
2018年1月13日 · DCM (Discontinuous Conduction Mode)非连续导通模式：在开关周期内的某一时间段电感电流会变成0，意味着电感被适当地“复位”，即功率开关闭合时，电感电流为零。以 …
Chapter 5 The Discontinuous Conduction Mode - 知乎 - 知乎专栏
DCM会导致conversion ratio M随着负载变化, 输出阻抗变大. 对于 buck converter 电感纹波 (1/2 Ipeak-peak) \Delta i_ {L}=\frac {V_ {g}-V} {2L}DT_ {s} \\ 随着R增大, I减小, 当I= \Delta iL 时系统 …
All CDB manuals and forms are available on CDB’s Internet site (www.cdb.state.il.us). 1.3 Benchmarks. The A/E is required to provide or obtain surveys essential to the design and …
dcm 运行模式广泛用于 eco 模式降压转换器，这是一种可在轻负载运行中实现高效率的运行模式。 当电感器电 流降至 0A 时，高侧 FET 和低侧 FET 将关闭。