vsc7979, VSC7999 11 .3 gb/s transimpedance amplifiers with photocurrent monitor and input slicing adjust applications: 10g receiver optical sub-assemblies: - 9.983 gb/s sonet oc-192/sdh stm-64 - 10.3 gb/s ethernet - 10.5 gb/s fibre channel - 10.7 gb/s otn g.709/g.975 - 12.5 gb/s sonet with fec - dwdm sonet/sdh t ransponders: - xenpak, x2, xpak modules - 300-pin msa modules t ransceivers: - xfp modules features: single +3.3v supply 9k ? differential transimpedance C VSC7999 3k ? differential transimpedance C vsc7979 low power consumption for xfp applications photo linear current monitor input slicing adjust for fiber dispersion compensation a vailable in bare dice . physical layer products pb-vsc7979,7999-001 VSC7999 optical distortion adjustment input current monitor slcdn outp outn slcup v pd iin imon benefits: source terminated differential outputs for high signal integrity linear photocurrent monitor offers diagnostic capabilities input slicing adjust allows the end user to optimize the receiver performance for fiber dispersion and non-linearity specifications: supply voltage: 3.3v 10% power dissipation: 210mw C VSC7999 power dissipation: 180mw C vsc7979 input noise: 12 pa/ hz bandwidth: 10.5ghz (typical) sensitivity : -19dbm (typical) max input current: 2.5ma p-p (min) operating temperature from -10 c to 85 c block diagram:
for more information on vitesse products visit the vitesse web site at www.vitesse.com or contact vitesse sales at (800) vitesse or sales@vitesse.com ?2003 vitesse semiconductor corporation 741 calle plano camarillo, ca 93012, usa t el: +1 805.388.3700 fax: +1 805.987.5896 www.vitesse.com the VSC7999 and vsc7979 are 10.7 gb/s - 12.5 gb/s high performance, low power transimpedance amplifiers designed for use in optical communication systems. the devices are intended for use with a pin or an apd photodetector, and are capable of amplifying input currents over 2.5 ma with low duty-cycle distortion and with little total jitter change. the VSC7999 and vsc7979 offer 9kohm and 3kohm differential transimpedance respectively, eliminating the need for an additional post-amplifier. the outputs limit to a typical differential value of 600mvp-p, increasing the dynamic range of the system by reducing the possibility of exceeding the input voltage range of the transceiver device. the VSC7999 and vsc7979 also allow compensation for fiber non-linearities such as dispersion and edfa non-linearity. application diagrams: general description: 11 .3 gb/s transimpedance amplifiers with photocurrent monitor and input slicing adjust vsc7979,VSC7999 laser 300-pin, 200-pin transponder drivers vsc7983 - eml vsc7984 - eml vsc7992 - rz vsc8473 cru/demux/ mux/cmu vsc8477 adaptive xcvr vsc9271 10g fec/pm 10 gb/s receiver photo detector tia VSC7999 vsc7979 uc laser 10 gb/s receiver photo detector tia VSC7999 vsc7979 uc xfp transceiver vsc8473 vsc8477 10g sonet xcvrs 0-12 fr4 vsc8233 dual signal conditioner post amp + cdr cdr+cu equalization xfi drivers vsc7983 - eml vsc7984 - eml
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