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FC/UPC SM/MM Fixed Fiber Optic Attenuator, Male-Female, 1~30dB Optional
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FC/UPC SM/MM Fixed Fiber Optic Attenuator, Male-Female, 1~30dB Optional

#11826

Our fixed fiber optic attenuators offer low return loss, high mode stability and a variety of attenuation values.

FS P/N: AT-M-FCU
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Shipping Cost:
US$  21.00 to United States Via FedEx
Price:
US$  3.40
Availability: Available, Estimated on Fri. Sep. 30
There may be some difference between the estimated time and the actual time.
Quantity:

Item Details
Fiber Connector FC/UPC Connector Gender Fixed Male to Female
Transfer Mode SM/MM Attenuation 1~30dB
Operating Wavelength(nm) 1260~1620(SM), 850 or 1330(MM) Attenuation Accuracy 1-5dB ±0.5, 6-10dB ±0.7, >10dB ±1.0
Return loss ≥ 55dB Max Optical Input Power 200mW
Operating Temp Range -40~80°C Polarization Dependent Loss ≤ 0.2dB Storage Temp Range
 
Features & Benefits
 

Fully compatible with FC fiber optic connectors Precise attenuation values Industry standard attenuation levels Low PDL and insertion loss Precision polishing for reduced back reflection Highly Reliable Physical Contact Connectors Compartmentalized case provides safe component storage and simple organization Small, durable case for easy portability RoHS compliant
 
Package
Package option: in a compact plastic box with individual compartments and corresponding labels showing different attenuation, which is for easy portability. Contact us at sales@fs.com for customizing your attenuators package.
 
Why Use Attenuators?
The ability of any fiber optic system to transmit data ultimately depends on the optical power at the receiver as shown below, which shows the data link bit error rate as a function of optical power at the receiver. (BER is the inverse of signal-to-noise ratio, e.g. high BER means poor signal to noise ratio.) Either too little or too much power will cause high bit error rates.

Too much power, and the receiver amplifier saturates, too little and noise becomes a problem as it interferes with the signal. Fiber optic attenuators are mainly used for adjusting the Optical Power to a desired level. Attenuators are available in models with variable attenuation or with fixed values from a few dB to 20 dB or more.
 
Does Multimode or Singlemode Systems need attenuators?
Generally, multimode systems do not need attenuators, because multimode sources rarely have enough power output to saturate receivers. Singlemode systems, especially short links, often have too much power and need attenuators.

For a singlemode applications, the most important specification, after the correct loss value, is return loss or reflectance! Choose a type of attenuator with good reflectance specifications and always install the attenuator ( X in the drawing) as shown at the receiver end of the link. This is because it's more convenient to test the receiver power before and after attenuation or while adjusting it with your power meter at the receiver, plus any reflectance will be attenuated on its path back to the source.
 
 
 
 
Customer Reviews
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Orlando Johnson May 3,2015
5.0
Very good experience - Thank You
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Clarence Wilson April 26,2015
5.0
found this site from searching for this product. everything was quick and easy. best price i could find!
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Robert Coleman April 7,2015
5.0
Awesome price and free shipping!
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David Johnson March 20,2015
5.0
Thank to Google I found your store and I like it so far, also your prices are very competitive.
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James Burns February 11,2015
5.0
thanks good site
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Joel Lake January 22,2015
5.0
the items is perfect. I need more LC UPC attenuators.
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Helmuth January 8,2015
5.0
it was was packaged very well, and was exactly as described and in perfect condition upon receipt.
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