GB/T 4728.13-2008 in English

《GB/T 4728.13-2008电气简图用图形符号 第13部分：模拟元件》由TC27（全国电气信息结构、文件编制和图形符号标准化技术委员会）归口，主管部门为国家标准化管理委员会。
GB/T 4728《电气简图用图形符号》分为十三个部分,本部分为GB/T 4728的第13部分。等同采用IEC 60617database《电气简图用图形符号》数据库标准（IEC60617_Snapshot_2007-08-03英文版）。本部分代替GB/T 4728.13-1996《电气简图用图形符号　第13部分：模拟元件》。

GB/T 4728 Graphic symbols for diagrams can be divided into 13 parts:
——Part 1: General Information;
——Part 2: Symbol Elements, Definitive Signs and Other Conventional Signs;
——Part 3: Conductors and Connecting Pieces;
——Part 4: Elementary Passive Element;
——Part 5: Semiconductors and Electron Tubes;
——Part 6: Production and Conversion of the Electrical Energy;
——Part 7: Switchgear, Control Gear and Protective Devices;
——Part 8: Measuring Instruments, Lamps and Signaling Devices;
——Part 9: Telecommunications: Switching and Peripheral Equipment;
——Part 10: Telecommunications: Transmission;
——Part 11: Architectural and Topographical Installation Plans and Diagrams;
——Part 12: Binary Logic Elements;
——Part 13: Analogue Elements
This part is part 13 of GB/T 4728 and identical to the database standard Graphical symbols for diagrams (IEC 60617 database) (IEC 60617 _Snapshot_ 2007-08-03 English edition).
This standard replaces Graphical Symbols for Diagrams-Part 13: Analogue Elements (GB/T 4728.13-1996). Compared with GB / T 4728.13-1996, changes are listed as following:
——The new symbol S01457 is added;
——According to IEC 60617 database standard, more information is listed for each symbol compared with the old edition.