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Card Edge Connector. A connector that mates with printed-wiring leads running to the edge of a printed circuit board on one or both sides.
Features:
Low-cost and high-performance card edge connectors developed for the market
High cost performance connectors manufactured in response to market needs, such as precious metal saving achieved by partial gold plating on the contacts, thoroughgoing analysis of material saving, and improvement and the streamlining of the method of program
Card edge connectors by using the polarizing key prevents mis-insertion in the PCB.
Card edge connectors are developed for ISA bus (AT bus) standard.
Card edge connectors are of straight dip, right angle dip types for PCB mounting.
Using the polarizing key prevents mis-insertion in the PCB
Smooth push–push eject mechanism
Card edge connectors are retained when mated
Card polarization
Mechanism prevents card from flying out upon
Card detection indicator
Metal–shielded cover
Micro SD specification compliant
Card edge connectors are RoHS compliant
These are available in various tail lengths and plating options
Card edge connectors are available in with plastic locating posts or metal hold-downs
Card edge connectors allow customer to reach high band width
Card Edge connectors meet high performance point-to-point full duplex I/O bus standard
Applications- Card edge connectors are used in following applications
Measurement equipment
Communication equipment
Control equipment
Switching equipment
Workstations
Computers
Hard disks
PPC equipment
Office
equipment
Measurement equipment
PCs
Office equipment
FA machines
Game machines
PCI Express architecture
Graphics cards in serial bus applications
I/O client cards for higher speed applications (desktop & server)
Telecommunications switches & routers
Electronic Engineering Services
Input Devices Article author: Rohit singh
An RF connector is an electrical connector designed to work at radio frequencies in the multi-megahertz range. RF connectors are typically used with coaxial cables and are designed to maintain the shielding that the coaxial design offers. Better models also minimize the change in transmission line impedance at the connection. Mechanically they provide a fastening mechanism (thread, bayonet, braces, push pull) and springs for a low ohmic electric contact while sparing the gold surface thus allowing above 1000 reconnects and reducing the insertion force. Research activity in the area of radio-frequency (RF) circuit design has surged in the last decade in direct response to the enormous market demand for inexpensive, high data rate wireless transceivers.
Many coaxial connector types are available in the RF and microwave industry, each designed for a specific purpose and application. Much of the development of the smaller connectors that perform well into the GHz and millimeter wave range has been conducted by test equipment measurement companies. One of their considerations is the number of connect-disconnect cycles that a connector pair can withstand while still performing as expected.
The connectors can be arranged into three categories:
Primary Interconnects - widely used to interconnect RF equipment and components,
Less Common Interconnects - connectors that are used to interconnect RF equipment and components, but are less widely in use.
Connectors for Precision Measurement Systems - which, as the title implies, are usually found only interconnecting and mating to measurement apparatus such as spectrum and network analyzers. Radio Amateurs may run across precision measurement connectors when buying flea-market items because those items are useful in microwave interconnection even though they were originally intended for measurement systems.
Engineering Services
Connectors Article author: Rohit singh
Modular connector -These are electrical connectors originally used in telephone wiring. These are still used for the same but also in other purposes as well. A modular connector's advantage over many others because of small size and ease of plugging and unplugging. Many heavy connectors have changed to modular connectors. Probably the most well known applications of modular connectors is for telephone jacks and for Ethernet jacks, which are mostly modular connectors. Modular connectors initially used in the Registered Jacks
Modular connectors are mostly in four sizes: 4-, 6-, 8-, and 10-position. A position where conductor pin has been used . It is not mandatory that all positions will be used rather a connector can have any even number of conductors. Unused positions are usually the outermost positions. The connectors are designed so that a plug can fit into any jack that has at least the number of positions as the plug. Where the jack has more positions than the plug, the outermost positions are unused. Some manufacturers of eight position jacks now explicitly warn that they are not designed to accept smaller plugs without damage.
Modular connectors have gender. The male connector is called a plug, while the female connector is called a jack or sometimes a socket.
Features
1.Fast Ethernet Support
Modular connectors fully support Fast Ethernet transmission.
2. Sub miniature Design Contributes to Saving Space in the Equipment
Having built-in optical indicators, with very less height,width and depth modular connectors can be used in extremely limited spaces.
3. Built-in Optical Indicators
Optical indicators help saving space on customer’s compared with LED type indicators, they do not emit any electrical noise.
4. EMI protection
Metal shield covers the outer surfaces of the connectors assuring complete protection against electromagnetic noninterference-in multiple shield and ground contacts assure reliable connection with the mounting panel as well as with the mating connectors.
5. Environmental considerations
Because of Lead free plating they protect environment.
6. Pulse Transformers Support Fast Ethernet
These are built-in insulation transformers and common mode choke coils.
7. Protected latch tab
Flexible case extends over the release tab preventing the possibility of breaking-off during handling of the complete cable assembly.
8. Termination of conductors
Self located 24 AWG conductors (solid or stranded) are terminated against pre-inserted contacts using simple tooling.
Applications
Telecoms Hubs, Routers
Bridges
ATM Transmission Equipment
Ethernet Switches
Networking Equipment
Test and Measurement Equipment
Medical Diagnostic Equipment.
Notebook PC's
Office equipment
LAN Related equipment
Measuring instruments
Office Automation equipment
Other high transmission speed applications
ISDN Equipments
HBS
Mobile phones
Electronic Engineering Services
Connectors Article author: Rohit singh
