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Center Wavelength:

Number of Ports:

Insertion Loss:

dB

Polarization Dependent Loss:

dB

Polarization Mode Dispersion (PMD):

Isolation:

dB

Cross-talk:

dB

Maximum Power:

Connector Type:

Polarization Maintaining?

Operating Temperature:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Help with Fiber Optic Circulators specifications:

Circulator Performance
   Center Wavelength:       The wavelength the circulator is designed for. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Number of Ports:       The total number of inputs and outputs for the circulator. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Insertion Loss:       The attenuation caused by the insertion of an optical component. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Polarization Dependent Loss:       The attenuation caused by polarization. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Polarization Mode Dispersion (PMD):       An inherent property of all optical media, caused by the difference in the propagation velocities of light in the orthogonal principal polarization states of the transmission medium. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Isolation:       A measure of how effectively back reflections are prevented to how well the isolator transmits. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Cross-talk:       The ratio of the output power produced by the desired input to the output power produced by undesired inputs. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Maximum Power:       The maximum output power the circulator can handle. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
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Circulator Features
   Connector Type:       
   Your choices are...         
   Biconic       Biconic connectors have precision tapered ends for low insertion loss. 
   D4       D4 connectors contain composite zirconia ceramic ferrules for durability. They feature a high-performance threaded mounting system and a keyed body for repeatability and intermateability. 
   ESCON       ESCON connectors derive their name from their original application, IBM's enterprise system connection (ESCON) for mainframe computers. ESCON connectors are similar to FDDI connectors, but contain a retractable shroud instead of a fixed shroud. ESCON connectors have two 2.55 mm ceramic ferrules and a robust strain relief design. 
   FC       FC connectors have an all-zirconia ceramic ferrule for durability, a high-performance threaded mounting system, and a keyed body for repeatability and intermateability. FC connectors are used primarily with single mode fibers and in telephone, instrumentation, and high-speed communication links. 
   FDDI       Fiber distributed data interface (FDDI) connectors are designed for use in FDDI networks, a LAN technology that uses dual, counter-rotating 100-Mbps fiber optic rings. FDDI connectors are duplex devices that contain two 2.5 mm ferrules. A fixed shroud protects the ferrules from damage. 
   LC       LC connectors include a polished, zirconia ceramic ferrule and a push / pull-style housing with a latching mechanism. LC connectors are half the size of standard fiber optic cable connectors. They are suitable for both public and private networks. 
   Loopback       Loopback connectors are used to test transceiver systems. 
   MTP       MTP connectors are threaded and well-suited for high density applications. 
   MT-RJ       Unlike other fiber optic connectors, MT-RJ connectors hold two fibers with a single ferrule. MT-RJ connectors are a variation of MT connectors, but use a smaller ferrule. 
   MU       MU connectors contain a ferrule with a diameter of 1.25 mm. Applications include high-speed data communications, voice networks, telecommunications, and dense wavelength division multiplexing (DWDM). MU connectors are also used in multiple optical connections and as a self-retentive mechanism in backplane applications. 
   SC       Subscription channel (SC) connectors are coaxial, medium-size devices with a constant 50Ω impedance and a frequency range of 0 - 11 GHz. They are larger than BNC connectors, but about the same size as Type N devices. 
   SMA       Subminiature-A (SMA) connectors are intended for use on semi-rigid cables in components. They directly interface the cable dielectric without air gaps.  They are not intended for permanent connections. 
   ST       Straight tip (ST) connectors use a quick release, bayonet coupling that requires only a quarter turn to engage or disengage. Built-in keying provides repeatable performance because ST connectors always mate with a coupling bushing in the same way. ST connectors are used in FDDI cabling applications. 
   Other       Other unlisted fiber optic connector types 
   Search Logic:      Products with the selected attribute will be returned as matches. Leaving or selecting "No Preference" will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Polarization Maintaining?       Polarization is preserved in the circulator. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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Environment
   Operating Temperature:       This is the full required range of ambient operating temperature. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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