ca1249 integrated half-rate clock driver and phase shifter wj s 10gbps clock ampli?r an rf evolution for oc-192 the ca1249 is another addition in wj s series of hybrid-based products optimized for oc-192 networks. the ca1249 is a full-function clock driver for generat- ing transmit pulses in optical rz systems operating with clock rates between 10.7 and 12.5 ghz (up to 12.5 gbps fec data rates). the ca1249 ampli?s clock signals while providing analog phase shift con- trol. excellent phase shift accuracy, low phase varia- tion over temperature and stable output level perform- ance work in conjunction with the integral power detector to ensure precise control of transmitted pulses. the ca1249 s efficiency enables high output voltage levels with low power consumption. custom perform- ance and functionality are available the communications edge wj communications, inc 1-866-618-7704 ? 408-577-6620 fax ? sales@wj.com ? 10.7 to 12.5 gbps clock rates tunable 200mhz about any fo ? 360?analog phase shift range ? 16 vp-p output voltage ? fully quali?ed wj.d/s.ca1249 5/31/01 10:19 am page 1
the communications edge wj communications, inc 1-866-618-7704 408-577-6620 fax sales@wj.com oc-192 half-rate optical clock driver specifications parameter conditions min typ max units input frequency range any single frequency (fo) within range 10.7 12.5 ghz 1/2 rate clock output frequency range fo/2 5.35 6.25 ghz input frequency span absolute input frequency range about any single fo, including fo 0.2 ghz input return loss 10 14 db output return loss 10 14 db gain flatness (p-p) across speci?d 0.2 ghz span 3 db input signal level 350 1130 mv p-p output signal level voltage-controlled (variable) 0 to +10 v 5 16 v p-p output power control voltage 1 mhz modulation bandwidth output power variation over temperature ? ? db analog phase shift range voltage-controlled 260 320 360 deg 0 to ?2 v analog phase shift setting accuracy degrees deviation from best ? straight line -25 25 output power change vs. phase change 0 1.5 2.5 db phase shift over temperature phase shift per degree of temperature 0.667 deg / ?c phase jitter 12ps 2nd and 3rd harmonic -40 -60 dbc spurious output -50 -60 dbc integral output voltage detector 0.25 4.5 v control ports input impedance 3 k ohms detector output stability over at max pout 0.2 1 db temperature at min pout 0.4 2 db power supplies +8 v 850 1000 ma -15 v 5 50 ma operating temperature -5 +70 ?c storage temperature -40 +85 ?c revision: 0530v101 wj.d/s.ca1249 5/31/01 10:19 am page 2
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