TX7-705CM-SQ-COSA analogue compensated high accurate and reliable cmos smd tcxo application cospas-sarsat emergency beacon class 1 & 2 2002/95/ec rohs compliant page 1 of 2 22 feb. 13 quartzcom ag fax +41 32 644 24 05 bischmattstrasse 11 tel +41 32 644 24 00 ch 2544 bettlach e-mail sales@quartzcom.com switzerland www.quartzcom.com nominal frequency fo 10.000, 12.688375, 12.688656 mhz 12.800, 12.688750, 16.384, 20.000 mhz frequency stability: vs. operating temperature range 0.2 ppm -40 ~ +55 c class 1 beacon 0.2 ppm -20 ~ +55 c class 2 beacon vs. supply voltage 0.03 ppm 5 % vs. load 0.01 ppm 5 % vs. aging 1.0 pm 1 st year 3.0 pm 10 years allan variance (adev) 1e -9 @ ? = 0.1s medium-term stability: mean slope ? f/dt after 15 min power-up: steady state during temperature ramp residual ? f (r.m.s.) from slope iaw c/s t.007 and c/s ip tcxo 0.7 ppb/min. t = const. 1.7 ppb/min. ? t/dt = 5 c/hour 3.0 ppb over 18 points supply voltage +3.3 v 5 % supply current 4 ma max. output signal hcmos output level v oh > 0.9 vdc v ol < 0.1 vdc output load 15 pf symmetry (duty) 45 ~ 55 % @ ? vdc tri-state function (optional) pin # 9 high or open pin # 6 ? oscillation pin # 9 low pin # 6 ? high impedance operating temperature range -40 ~ +55 c class 1 beacon -20 ~ +55 c class 2 beacon storage temperature range -55 ~ +125 c marking qcom (date code) frequency code pin function # 1 gnd or not connected # 5 gnd # 6 output # 9 tri-state # 10 vdc do not connect: #2, #3, #4, #7 & #8 solder pattern do not design any conductive path between the pattern ir reflow soldering temperature
TX7-705CM-SQ-COSA analogue compensated high accurate and reliable cmos smd tcxo application cospas-sarsat emergency beacon class 1 & 2 2002/95/ec rohs compliant page 2 of 2 22 feb. 13 medium term stability frequency stability measurement procedur e according the cospas/sarsat t0.007 note: the 2h and 1h warm-up and stabilisation times ar e for type approval test of complete beacon. for testing of tcxo these times may be shortened accordingly. environmental reference std. test condition vibration sinusoidal iec 60028-2-6 iec 60679-1- 5.6.7 test fc, 30 min per axis 10 hz ? 55 hz 0.75mm, 55 hz ? 2 khz 10 g shock iec 60028-2-27 iec 60679-1- 5.6.8 test ea, 3 x per axes 100 g, 6 ms half-sine pulse solderability iec 60028-2-20 iec 60028-2-58 iec 60679-5.6.3 test ta (235 2) c method 1 test tb method 1a, 5s quartzcom ag fax +41 32 644 24 05 bischmattstrasse 11 tel +41 32 644 24 00 ch 2544 bettlach e-mail sales@quartzcom.com switzerland www.quartzcom.com
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