[{"data":1,"prerenderedAt":73},["ShallowReactive",2],{"post-8df4d9a8aa8414435e5":3,"recom-8df4d9a8aa8414435e5":20},{"summary":4,"updateTime":5,"title":6,"cateName":7,"content":8,"createTime":9,"cateId":10,"isTop":11,"nickname":12,"siteId":13,"id":14,"isPage":11,"slug":15,"views":16,"status":17,"uid":14,"coverImageUrl":18,"createDate":19,"cate":10,"keywords":-1},"What is a hub? Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.",1776841529942,"What is a hub?","QUESTIONS & ANSWERS","\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva; font-size: 12pt;\">\u003Cspan style=\"color: #c70a0a;\">*\u003C/span> \u003Cspan style=\"color: #808080;\">Question\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">What is a hub?\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Cspan style=\"color: #c70a0a;\">\u003Cbr />\r\n\u003Cspan style=\"font-size: 12pt;\">*\u003C/span>\u003C/span>\u003Cspan style=\"color: #808080; font-size: 12pt;\"> Answer\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: trebuchet-ms;\">The easiest way to do this is to think of a USB hub as a continuum of splitters and repeaters.The hub provides an electronic interface between the USB device and the host.The hub is directly responsible for supporting the many properties of USB, providing users with a friendly interface and avoiding complex usage problems.The hub is responsible for detecting connection and disconnection events on downstream ports and reporting relevant information to the host.The hub must be able to support all types of USB peripherals of any speed specification connected on the downstream port (see below for details).The specification specifies two types of hub power supplies, one for bus power and one for self-power.The bus-powered hub gets all the power from the upstream port, but only gets 100mA from the upstream connection when powering up, and the configured current does not exceed 500mA.\u003Cbr />\r\nSince each port has a current of 100mA and has four ports, the available current for the downstream connection is 400mA.If you add a fifth downstream port, this port also needs 100mA, which causes the hub itself to have no current available.Its power does not come from upstream connections.The self-powered hub can draw up to 100mA from the upstream port, which also works when the rest of the hub is powered down.The self-powered hub should supply 500mA to each downstream port.\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-size: inherit;\">\u003Cbr />\r\n\u003C/span>\u003C/p>\r\n\u003C/div>\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">\u003C/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\u003C!-- clear for photos floats -->\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">",1776793433000,"4d7f472a17ef876377d",0,"Admin","2028706543895019522","8df4d9a8aa8414435e5","what-is-a-hub",311,1,"","Apr 22, 2026",[21,32,40,48,57,65],{"id":22,"title":23,"summary":24,"content":25,"cover":26,"cateId":10,"tags":27,"views":28,"isTop":11,"status":17,"createBy":26,"createTime":29,"updateBy":26,"updateTime":30,"institutionId":26,"isPage":11,"images":26,"horizontalCover":26,"verticalCover":26,"slug":31,"siteId":13},"f13d7a28dfad5ec4193","What are the shapes of label-type electronic labels?","What are the shapes of label-type electronic labels? Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.","\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva; font-size: 12pt;\">\u003Cspan style=\"color: #c70a0a;\">*\u003C/span> \u003Cspan style=\"color: #808080;\">Question\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">What are the shapes of label-type electronic labels?\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Cspan style=\"color: #c70a0a;\">\u003Cbr />\r\n\u003Cspan style=\"font-size: 12pt;\">*\u003C/span>\u003C/span>\u003Cspan style=\"color: #808080; font-size: 12pt;\"> Answer\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: trebuchet-ms;\">Label electronic tags are available in a variety of shapes, such as strips, discs, keychains, and watches. They can be used for item identification and electronic billing, such as air baggage tags and pallet tags.\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-size: inherit;\">\u003Cbr />\r\n\u003C/span>\u003C/p>\r\n\u003C/div>\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">\u003C/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\u003C!-- clear for photos floats -->\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">",null,"electronic",359,"2026-04-22 01:44:18","2026-04-22 14:58:13","what-are-the-shapes-of-label-type-electronic-labels",{"id":33,"title":34,"summary":35,"content":36,"cover":26,"cateId":10,"tags":26,"views":37,"isTop":11,"status":17,"createBy":26,"createTime":29,"updateBy":26,"updateTime":38,"institutionId":26,"isPage":11,"images":26,"horizontalCover":26,"verticalCover":26,"slug":39,"siteId":13},"ec9dce1e841180345a8","OSPF has several types of protocol packets?","OSPF has several types of protocol packets? Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.","\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva; font-size: 12pt;\">\u003Cspan style=\"color: #c70a0a;\">*\u003C/span> \u003Cspan style=\"color: #808080;\">Question\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">OSPF has several types of protocol packets?\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Cspan style=\"color: #c70a0a;\">\u003Cbr />\r\n\u003Cspan style=\"font-size: 12pt;\">*\u003C/span>\u003C/span>\u003Cspan style=\"color: #808080; font-size: 12pt;\"> Answer\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: trebuchet-ms;\">(1) Hello (Hello) message: Periodically sent to discover and maintain OSPF neighbor relationships.\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: trebuchet-ms;\">(2) Database Description (Database Description) message: describes the summary information of the local LSDB, used for database synchronization between two routers.\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: trebuchet-ms;\">(5) Line State Acknowledgment message: used to confirm the received LSA.\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-size: inherit;\">\u003Cbr />\r\n\u003C/span>\u003C/p>",183,"2026-04-22 14:58:16","ospf-has-several-types-of-protocol-packets",{"id":41,"title":42,"summary":43,"content":44,"cover":26,"cateId":10,"tags":45,"views":46,"isTop":11,"status":17,"createBy":26,"createTime":29,"updateBy":26,"updateTime":30,"institutionId":26,"isPage":11,"images":26,"horizontalCover":26,"verticalCover":26,"slug":47,"siteId":13},"e73149d45ecea0cfef7","What are the characteristics of a microcontroller?","What are the characteristics of a microcontroller? Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.","\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva; font-size: 12pt;\">\u003Cspan style=\"color: #c70a0a;\">*\u003C/span> \u003Cspan style=\"color: #808080;\">Question\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">What are the characteristics of a microcontroller?\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Cspan style=\"color: #c70a0a;\">\u003Cbr />\r\n\u003Cspan style=\"font-size: 12pt;\">*\u003C/span>\u003C/span>\u003Cspan style=\"color: #808080; font-size: 12pt;\"> Answer\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: trebuchet-ms;\">Compared with the embedded microprocessor, the biggest feature of the microcontroller is that it is singularized and the volume is greatly reduced, so that power consumption and cost are reduced, and reliability is improved.Microcontrollers are currently the mainstream of the embedded system industry.The on-chip peripheral resources of the microcontroller are generally rich and suitable for control.\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-size: inherit;\">\u003Cbr />\r\n\u003C/span>\u003C/p>\r\n\u003C/div>\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">\u003C/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\u003C!-- clear for photos floats -->\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">","characteristics,microcontroller",340,"what-are-the-characteristics-of-a-microcontroller",{"id":49,"title":50,"summary":51,"content":52,"cover":26,"cateId":10,"tags":53,"views":54,"isTop":11,"status":17,"createBy":26,"createTime":29,"updateBy":26,"updateTime":55,"institutionId":26,"isPage":11,"images":26,"horizontalCover":26,"verticalCover":26,"slug":56,"siteId":13},"df3bcc91f1ae9f67d52","What are the main technical features of the MAX85952/85962?","What are the main technical features of the MAX85952/85962? Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.","\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva; font-size: 12pt;\">\u003Cspan style=\"color: #c70a0a;\">*\u003C/span> \u003Cspan style=\"color: #808080;\">Question\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">What are the main technical features of the MAX85952/85962?\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Cspan style=\"color: #c70a0a;\">\u003Cbr />\r\n\u003Cspan style=\"font-size: 12pt;\">*\u003C/span>\u003C/span>\u003Cspan style=\"color: #808080; font-size: 12pt;\"> Answer\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: trebuchet-ms;\">1 Drives up to 8 white LEDs with 25mA current. The temperature derating function allows the same brightness with fewer white LEDs (MAX8596Z); 22.6~5.5V input range, low input ripple voltage peak-to-peakFor l2mV, direct PWM internal filter; 386% efficiency (PLED/PIN); 4 flexible brightness control,\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-size: inherit;\">\u003Cbr />\r\n\u003C/span>\u003C/p>\r\n\u003C/div>\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">\u003C/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\u003C!-- clear for photos floats -->\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">","technical",453,"2026-04-22 14:58:14","what-are-the-main-technical-features-of-the-max85952-85962",{"id":58,"title":59,"summary":60,"content":61,"cover":26,"cateId":10,"tags":62,"views":63,"isTop":11,"status":17,"createBy":26,"createTime":29,"updateBy":26,"updateTime":55,"institutionId":26,"isPage":11,"images":26,"horizontalCover":26,"verticalCover":26,"slug":64,"siteId":13},"d7ca356aabdc09b4554","What are the structures of magnetic-sensitive transistors?","What are the structures of magnetic-sensitive transistors? Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.","\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva; font-size: 12pt;\">\u003Cspan style=\"color: #c70a0a;\">*\u003C/span> \u003Cspan style=\"color: #808080;\">Question\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">What are the structures of magnetic-sensitive transistors?\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Cspan style=\"color: #c70a0a;\">\u003Cbr />\r\n\u003Cspan style=\"font-size: 12pt;\">*\u003C/span>\u003C/span>\u003Cspan style=\"color: #808080; font-size: 12pt;\"> Answer\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: trebuchet-ms;\">The NPN type magneto-sensitive triode is formed on the weak P-type intrinsic semiconductor by an alloy method or a diffusion method to form three junctions, that is, an emitter junction, a base junction, and a collector junction.\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-size: inherit;\">\u003Cbr />\r\n\u003C/span>\u003C/p>\r\n\u003C/div>\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">\u003C/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\u003C!-- clear for photos floats -->\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">","transistors",395,"what-are-the-structures-of-magnetic-sensitive-transistors",{"id":66,"title":67,"summary":68,"content":69,"cover":26,"cateId":10,"tags":70,"views":71,"isTop":11,"status":17,"createBy":26,"createTime":29,"updateBy":26,"updateTime":30,"institutionId":26,"isPage":11,"images":26,"horizontalCover":26,"verticalCover":26,"slug":72,"siteId":13},"cd4b9e75dcac3559bf0","What are the components of FPGAs, CPLDs, and other types of PLDs?","What are the components of FPGAs, CPLDs, and other types of PLDs? Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.","\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva; font-size: 12pt;\">\u003Cspan style=\"color: #c70a0a;\">*\u003C/span> \u003Cspan style=\"color: #808080;\">Question\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">What are the components of FPGAs, CPLDs, and other types of PLDs?\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Cspan style=\"color: #c70a0a;\">\u003Cbr />\r\n\u003Cspan style=\"font-size: 12pt;\">*\u003C/span>\u003C/span>\u003Cspan style=\"color: #808080; font-size: 12pt;\"> Answer\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: trebuchet-ms;\">They are composed of three parts:\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: trebuchet-ms;\"> 1 a two-dimensional array of logic blocks, which constitute the logic component of the PLD device;\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: trebuchet-ms;\"> 2 input/output blocks; 3 interconnection resources connecting the logic blocks, connecting lines of various lengthsComposition, which also has some programmable connection switches,\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-size: inherit;\">\u003Cbr />\r\n\u003C/span>\u003C/p>\r\n\u003C/div>\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">\u003C/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\u003C!-- clear for photos floats -->\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">","components,FPGAs,CPLDs",92,"what-are-the-components-of-fpgas-cplds-and-other-types-of-plds",1776841521937]