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RF Connector

 
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RF connector
 
 
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An RF connector is an electrical connector
Electrical connector

An electrical connector is a Electrical conductor for joining electrical circuits together. The connection may be temporary, as for portable equipment, or may require a tool for assembly and removal, or may be a permanent electrical joint between two wires or devices....
 designed to work at radio frequencies in the multi-megahertz range. RF connectors are typically used with coaxial cable
Coaxial cable

Coaxial cable is a cable consisting of an inner conductor, surrounded by a tubular insulating layer typically made from a flexible material with a high dielectric constant, all of which is then surrounded by another conductive layer , and then finally covered again with a thin insulating layer on the outside....
s and are designed to maintain the shielding that the coaxial design offers. Better models also minimize the change in transmission line impedance
Characteristic impedance

The characteristic impedance or surge impedance of a uniform transmission line, usually written , is the ratio of the amplitudes of a single pair of voltage and current waves propagating along the line in the absence of reflections....
 at the connection. Mechanically they provide a fastening mechanism (thread
Screw thread

A screw thread is a helix structure used to convert between rotational and linear movement or force.A screw thread may be thought of as an inclined plane wrapped around a cylinder or cone ....
, bayonet
Bayonet mount

A bayonet mount or bayonet connector is a fastener that relies on mated surfaces; a male side with one or more pins or slots, and a female receptor with matching slots and a spring that maintains a clamping force....
, braces, push pull) and springs
Spring (device)

A spring is an Elasticity object used to store mechanical energy. Springs are usually made out of hardened steel. Small springs can be wound from pre-hardened stock, while larger ones are made from annealing steel and hardened after fabrication....
 for a low ohmic electric contact while sparing the gold surface thus allowing above 1000 reconnects and reducing the insertion force.






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Encyclopedia


An RF connector is an electrical connector
Electrical connector

An electrical connector is a Electrical conductor for joining electrical circuits together. The connection may be temporary, as for portable equipment, or may require a tool for assembly and removal, or may be a permanent electrical joint between two wires or devices....
 designed to work at radio frequencies in the multi-megahertz range. RF connectors are typically used with coaxial cable
Coaxial cable

Coaxial cable is a cable consisting of an inner conductor, surrounded by a tubular insulating layer typically made from a flexible material with a high dielectric constant, all of which is then surrounded by another conductive layer , and then finally covered again with a thin insulating layer on the outside....
s and are designed to maintain the shielding that the coaxial design offers. Better models also minimize the change in transmission line impedance
Characteristic impedance

The characteristic impedance or surge impedance of a uniform transmission line, usually written , is the ratio of the amplitudes of a single pair of voltage and current waves propagating along the line in the absence of reflections....
 at the connection. Mechanically they provide a fastening mechanism (thread
Screw thread

A screw thread is a helix structure used to convert between rotational and linear movement or force.A screw thread may be thought of as an inclined plane wrapped around a cylinder or cone ....
, bayonet
Bayonet mount

A bayonet mount or bayonet connector is a fastener that relies on mated surfaces; a male side with one or more pins or slots, and a female receptor with matching slots and a spring that maintains a clamping force....
, braces, push pull) and springs
Spring (device)

A spring is an Elasticity object used to store mechanical energy. Springs are usually made out of hardened steel. Small springs can be wound from pre-hardened stock, while larger ones are made from annealing steel and hardened after fabrication....
 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.

Types

N Connector

Standard types

  • 7/16 DIN connector, a high power 50 O connector originally developed by Spinner
  • BNC
    BNC connector

    File:Female BNC Connector.jpgThe BNC connector is a very common type of RF connector used for terminating coaxial cable....
     (bayonet Neill
    Paul Neill

    Paul Neill was an engineer at Bell Labs in the 1940s and 1950s. He is credited with helping to invent the BNC_connector, TNC connector and N_connector RF connector used for microwave and radio frequency communications....
    -Concelman
    Carl Concelman

    Carl Concelman was the electrical engineer who, while working for Amphenol, invented the C connector and teamed up with Paul Neill of Bell Labs to invent the BNC connector....
    )
  • C connector
    C connector

    The C connector is a type of RF connector used for terminating coaxial cable. Coupling uses two-stud bayonet-type locks. The C connector was invented by Amphenol engineer Carl Concelman. It is weatherproof, and not too bulky....
     (Concelman)
  • Dezifix connector, hermaphrodite connector used mainly by Rohde & Schwarz
    Rohde & Schwarz

    Rohde & Schwarz is an independent group of companies specializing in electronics. It is a supplier of solutions in the fields of test and measurement, broadcasting, radio monitoring and radio location, as well as secure communications....
  • GR connector
    GR connector

    The GR connector, officially the General Radio Type 874, was a type of RF connector used for terminating coaxial cable. Designed by the General Radio Corporation, it was widely used on their electronic test equipment throughout the 60s and 70s....
     (General Radio
    General Radio

    General Radio Corporation was a broad-line manufacturer of electronic test equipment. Started in Cambridge, Massachusetts in 1915, the company moved to Concord, Massachusetts in the 1950s....
    )
  • F connector
    F connector

    The F connector is a type of coaxial RF connector commonly used for "over the air" terrestrial television, cable television and universally for satellite television and cable modems, usually with RG-6 or, in older installations, with RG-59....
    , used for domestic television installations and domestic satellite LNBs (75 O) world wide.
  • HN connector, a high voltage
    High voltage

    The term high voltage characterizes electrical circuits, in which the voltage used is the cause of particular safety concerns and insulation requirements....
     version of the N connector
  • IEC 169-2 connector, also called Belling Lee connector used throughout Europe and some other countries for domestic television installations and as FM connector for radio. It is standardised in EN 60169-2.
  • LC connector, type of large screw connector
  • Motorola connector
    Motorola connector

    A Motorola connector is a common coaxial cable RF connector used primarily in the automotive industry for connecting the coaxial feedline from the antenna to the radio receiver....
    , standard AM/FM antenna connector used for automotive radios
  • Musa connector
    Musa connector

    The Musa connector is a type of coaxial connector, originally developed for the manual switching of radar signals. It had a characteristic impedance of , and was adopted for use in the emerging broadcast industry....
    , a 50 O connector used in telecommunication
    Telecommunication

    Telecommunication is the assisted Transmission of Signal over a distance for the purpose of communication. In earlier times, this may have involved the use of smoke signals, Drum , Semaphore line, flag signals or heliograph....
    s and broadcast video
    Video

    Video is the technology of electronics Videography, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing Scene in motion....
  • NMO mount (new Motorola mount), for removable mobile antennas. Large threaded base for durability in wind.
  • N connector
    N connector

    The N connector is a threaded RF connector used to join coaxial cables. It was one of the first connectors capable of carrying microwave-frequency signals, and was invented in the 1940s by Paul Neill of Bell Labs, after whom the connector is named....
     (Neill)
  • SC connector, screw version of C connector
    C connector

    The C connector is a type of RF connector used for terminating coaxial cable. Coupling uses two-stud bayonet-type locks. The C connector was invented by Amphenol engineer Carl Concelman. It is weatherproof, and not too bulky....
  • TNC connector (threaded Neill-Concelman)
  • UHF connector
    UHF connector

    The UHF connector, also called the Amphenol coaxial connector,is a World War II threaded RF connector design, from an era whenultra high frequency referred to frequencies over 30 megahertz....
     (e.g., PL-259/SO-239). Also referred to as an M-type connector by Japanese manufacturers such as Kenwood
  • Twin lead


Miniature types

  • Miniature BNC connectors
  • Miniature UHF connector
    Miniature UHF connector

    Mini-UHF connectors are miniaturised versions of UHF connectors, designed primarily for use in mobile phones and similar applications where size is an important consideration....
    s
  • DIN 47223 connectors
  • U.FL connector
  • IPX connector
    IPX connector

    IPX, is a microminiature RF connector available from Lighthorse Technologies Inc. The connector operates in 50ohm RF applications up to 6Ghz frequencies at a AC 200V maximum ....
  • SMZ - System 43 (BT43 and High Density HD43) for use in DDF


Sub-miniature types

  • MMCX connector
    MMCX connector

    MMCX connectors are coaxial RF connectors developed in the 1990s. They are similar to MCX connector, but smaller. MMCX connectors conform to the European CECC 22 000 specification....
  • MCX connector
    MCX connector

    MCX connectors are coaxial RF connectors developed in the 1980s. They have the same inner contact and Electrical insulation dimensions as the SMB connector but are 30% smaller....
  • FME connector
    FME connector

    FME connectors are RF connectors and are used for mobile antenna applications.It is a miniature screw coupling coaxial that has a 50O Electrical impedance. They offer excellent electrical performance from Direct current to 2.0 GHz....
  • SMA connector
    SMA connector

    SMA connectors are coaxial RF connectors developed in the 1960s as a minimal connector Electrical connector for coaxial cable with a screw type coupling mechanism....
    , including variants:
    • 3.5 and 2.92 mm connectors, which cross-mate with SMA, and
    • 2.4, 1.85 and 1.0 mm connectors, which do not cross-mate with SMA
  • SMB connector
    SMB connector

    SMB connectors are coaxial RF connectors developed in the 1960s. This version is smaller than SMA connectors.They feature a snap-on coupling and are available either in 50 O or 75 O impedances....
  • SMC connector
    SMC connector

    SMC connectors are coaxial RF connectors developed in the 1960s. They use a 10-32 threaded interface and are available in 50 O or 75 O impedances....
  • SMP connector


Precision types

  • APC-7 connector
    APC-7 connector

    The APC-7 connector is a precision Gender changer, 7 millimeter, coaxial connector that was used on laboratory microwave test equipment up to 18 GHz....


Flange connectors

  • EIA RF Connectors
    EIA RF Connectors

    EIA flange RF connector are used to connect two items of high power Radio frequency rigid or semi-rigid transmission line. One side of the connection is denoted as a male connection, or bullet, while the other side is denoted as the female connection, or cup....
     series of RF flange connectors


Quick-lock connectors

  • QMA and QN connector
    QMA and QN connector

    QMA and QN connectors are quick-connect RF connectors that were designed to replace the widely used SMA and N connector connectors. The connectors have been available since 2003....
  • QLS connector
    QLS connector

    The QLS is a quick locking replacement for the threaded interface of the popular SMA connector. Designed and manufactured jointly by German-based RF and Microwave component suppliers Telegartner and IMS, this new connector emerged in 2006 as an answer to some of the shortcomings of the original QMA: Improvements in this version include: A st...
  • SnapN connector
  • CQMA, Mini-CQMA and CQN
    CQMA, Mini-CQMA and CQN

    CQMA, Mini-CQMA and CQN are RF connectors, released by Anoison Electronics Ltd. in 2007. They are part of the continuing trend by RF and microwave connector companies in designing quick lock replacements for the threaded interface of SMA connector and N connector connectors....


See also

  • Antenna socket
  • MHV connector
    MHV connector

    The MHV connector is a type of RF connector used for terminating coaxial cable.The connector looks almost identical to a typical BNC connector, but is not designed to mate with BNC jacks....
    , a coaxial connector designed for high voltages
  • SHV connector
    SHV connector

    The SHV connector is a type of RF connector used for terminating a coaxial cable.The connector uses a bayonet mount similar to those of the BNC connector and MHV connectors, but is easily distinguished due to its very thick and protruding insulator....
    , a safer coaxial connector designed for high voltages


The following audio and video connector
Audio and video connector

Audio connectors and video connectors are electrical connectors for carrying an audio signal or video signal, either in an analog circuit or digital format....
s are sometimes used for RF, but are not generally considered to be RF connectors:
  • DIN connector
    DIN connector

    A DIN connector is a connector that was originally standardized by the Deutsches Institut f?r Normung , the German national standards organization....
     (not to be confused with the "7/16 DIN" connector)
  • RCA connector
    RCA connector

    An RCA jack, also referred to as a phono connector or Cinch connector, is a type of electrical connector that is commonly used in the audio/video market....
     (Radio Corporation of America) originally introduced for audio, but now widely used for video
    Video

    Video is the technology of electronics Videography, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing Scene in motion....
     as well
  • SCART
    SCART

    SCART is a France-originated standard and associated 21-pin connector for connecting audio-visual equipment together. It is also known as P?ritel , 21-pin EuroSCART and Euroconnector....


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