nat500 - f - f - f - f calibration wavelength 8 850 nm 1 8/13 850 and 1310 nm 1 13 1310 nm 13/15 1310 and 1550 nm 15 1550 nm 15/16 1550 and 1610 nm 16 1610 nm fiber type 9 9/125 corning smf-28 50 50/125 multimode fiber 62 62/125 multimode fiber connector type fc fc/spc fc/apc fc/apc fc/upc fc/upc sc sc/spc sc/apc sc/apc sc/upc sc/upc st st/spc st/upc st/upc lc lc/upc n none pigtail length 1 1 meter x specify x meters 1. multimode fiber only. units: mm electrical connector is 12-pin right-angle header (molex part number 22- 12-2124). mate with molex part number 22-01-3127 or equivalent. output input 12- pin right angle header pin 1 dicon fiberoptics, inc. 1689 regatta blvd. richmond, ca 94804 tel. (510)620-5000 fax. (510)620-4100 www.diconfiber. com precision variable attenuator attenuators 11/2 specifications 1 attenuation range 2 resolution repeatability absolute accuracy 3 insertion loss pdl 4 back-reflection 4 flatness 5 tuning speed optical power operating temperature storage temperature humidity power requirements 6 fiber jacket 0.2 db max. -50 db max. 0.1 db max. 50 ms min., 1400 ms max. 300 mw max. 0c to +50c -20c +70c 40c/90%rh/5 days +12 vdc, 250 ma max. 0.9 mm tight buffer 1. all specifications referenced without connectors. 2. for 60 db attenuation range, see 60 db variable attenuator datasheet. 3. at calibration wavelength. 4. singlemode fiber only. 5. within 100 nm window centered around calibration wavelength. 6. +5 vdc, 500 ma version available upon request. ordering information housing dimensions 0-30 db max. 0.1 db max. 0.01 db max. 0.1 db max. 0.8 db typ., 1.3 db max. dicon?s precision variable attenuator is a ttl-driven component which sets attenuation levels in the 0 to 30 db range with superior repeatability and absolute accuracy. the attenuation level is set using a high-precision motor with either the i 2 c standard interface or a proprietary step-up/step-down interface. features superior repeatability and absolute accuracy singlemode or multimode fiber type up to two calibration wavelengths direct motor control or absolute attenuation setting compatible with 60 db variable attenuator applications precision variable attenuators can be used to adjust the power level in automated test systems. applications include bit error rate testing of transmitters and receivers as well as channel equalization in testing of wdm systems. u.s. patented. specifications subject to change. copyright ?2001 dicon fiberoptics, inc. all rights reserved. precision variable attenuator attenuators attenuators new product
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