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What are the types of RF connectors?
What are the types of RF connectors?
RF coaxial connectors, usually mounted on cables, PCB boards or on instruments, mainly serve as bridge connections.The basic structure of the coaxial connector consists of three parts: inner conductor, medium and outer conductor, as well as structural parts and sealing parts.The vast majority of coaxial connectors are polarized, and polarized connectors consist of mating male and female connectors with pins in them Called male, female connectors have jacks.

Commonly used RF coaxial connectors include the following types:
1, Type N connector: Type N connectors are threaded and can be rotated to lock. It was one of the first connectors capable of transmitting microwave frequency signals. The N-type connector supports signal frequencies ranging from 0 to 11GHz, and the enhanced type can reach 18GHz. There are two kinds of characteristic impedance, 50 ohms (widely used in mobile communications, wireless data, paging systems, etc.) and 75 ohms (mainly used in cable television systems).
2,BNC Connector: The BNC connector originated in the 1950s and is a bayonet connector that is convenient and quick to plug and unplug. Standard BNC connectors currently operate at 4GHz, and it is generally believed that beyond 4GHz, electromagnetic waves leak out of their sockets.
3,SMA Connector: SMA connector is a widely used coaxial connector with small threaded connection. It has the characteristics of wide frequency band, excellent performance, high reliability and long life. SMA connectors are suitable for connecting RF cables or microstrip lines in the RF circuits of microwave equipment and digital communication systems. They are often used in wireless devices for GPS clock interfaces on single boards and test ports for base station RF modules.
4,TNC Connector: The TNC connector is close to the BNC, and the biggest advantage of the TNC connector is that it has good shock resistance. The standard operating frequency of TNC connectors is 11GHz, and the precision TNC connectors are also called TNCA connectors, and the operating frequency can reach 18GHz.
5,SMB Connector: It is a small push-to-lock RF coaxial connector. It has the characteristics of small size, light weight, convenient use and excellent electrical performance. For connecting coaxial cables in the loop. It is often used in wireless equipment to connect the base station side E1 transmission cable to the base station DDF small transmission box, and the size is smaller than the SMA connector. There are two types of characteristic impedance: 50 ohms and 75 ohms. Has excellent electrical characteristics in the frequency range from DC to 4GHz. SSMB is a mini version of the SMB connector that can support up to 12.4GHz.
6,Type F Connector:Type F connectors are widely used in the fields of cable TV, satellite TV, cable modem and TV connection. It can be used in places with impedance matching requirements or in non-matching places. It is characterized by threaded connection and easy insertion. Stable performance.
7,7/16 DIN Connector: DIN type series coaxial connector is a larger 50 ohm impedance threaded connector, which has the characteristics of sturdiness and stability, low loss, high working voltage, and most of them have waterproof structure, which can be used for Outdoor as a medium and high energy transmission connector, it is widely used in microwave transmission and mobile communication systems. Commonly used in base station antenna feeder joints, antenna joints, etc.
什么是 USB-C
USB-C 是一种行业标准连接器,用于在单根电缆上传输数据和电源。 USB-C 连接器由 USB 实施者论坛 (USB-IF) 开发,该组织多年来开发、认证和引导 USB 标准。 USB-IF 的成员有 700 多家公司,其中包括苹果、戴尔、惠普、英特尔、微软和三星。
大型犬的这种广泛接受很重要,因为这也是 USB-C 如此容易被 PC 制造商接受的部分原因。将此与早期 Apple 推广(和开发)的 Lightning 和 MagSafe 连接器进行对比,后者在 Apple 产品之外的接受度有限,并且在很大程度上由于 USB-C 而变得过时。
USB-C 端口的存在(或不存在)越来越成为购买 PC 时的考虑因素。如果您购买超薄笔记本电脑,几乎可以肯定它至少有一个 USB-C 端口,它会自动将您带入生态系统。如果您更喜欢台式机,那么您肯定也会在那里找到这些端口,其中至少有一个位于主板侧 I/O 面板上,并且可能更多位于高端和游戏台式机上。一些台式机和售后市场 PC 机箱也将一个放在前面板上。 (不过,台式机 DIY 类型应该知道,PC 机箱正面或顶部的 USB-C 端口需要在主板端使用特定的 USB-C 接头连接器,并且只有后期型号的主板才有这些。)
即使您现在不需要 USB-C,不久之后您就会需要。我们只是触及了 USB-C 功能的皮毛,但有一点是肯定的:下一代跨平台连接器正在迅速取代旧的保护,就像原来的 USB 标准取代了 Apple 桌面总线 (ADB)、FireWire 、并行、PS/2、SCSI 和 Mac 和 PC 上的串行端口。 USB-C 确实是一个可以统治它们的端口。
大型犬的这种广泛接受很重要,因为这也是 USB-C 如此容易被 PC 制造商接受的部分原因。将此与早期 Apple 推广(和开发)的 Lightning 和 MagSafe 连接器进行对比,后者在 Apple 产品之外的接受度有限,并且在很大程度上由于 USB-C 而变得过时。
USB-C 端口的存在(或不存在)越来越成为购买 PC 时的考虑因素。如果您购买超薄笔记本电脑,几乎可以肯定它至少有一个 USB-C 端口,它会自动将您带入生态系统。如果您更喜欢台式机,那么您肯定也会在那里找到这些端口,其中至少有一个位于主板侧 I/O 面板上,并且可能更多位于高端和游戏台式机上。一些台式机和售后市场 PC 机箱也将一个放在前面板上。 (不过,台式机 DIY 类型应该知道,PC 机箱正面或顶部的 USB-C 端口需要在主板端使用特定的 USB-C 接头连接器,并且只有后期型号的主板才有这些。)
即使您现在不需要 USB-C,不久之后您就会需要。我们只是触及了 USB-C 功能的皮毛,但有一点是肯定的:下一代跨平台连接器正在迅速取代旧的保护,就像原来的 USB 标准取代了 Apple 桌面总线 (ADB)、FireWire 、并行、PS/2、SCSI 和 Mac 和 PC 上的串行端口。 USB-C 确实是一个可以统治它们的端口。