TX7-503CM-SQ-COSA analogue temperature compensated xtal oscillator cospas sarsat compliant cmos tcxo application: emergency beacon class 1 & 2 2011/65/eu rohs compliant page 1 of 2 24 jan. 14 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 standard frequencies 10.000 mhz, 12.678303 mhz 12.800 mhz, 16.384, 20.000 mhz frequency stability: vs. temperature reference to (f max +f min )/2 0.2 ppm -20 ~ +55 c class 2 beacon 0.2 ppm -40 ~ +55 c class 2 beacon vs. supply voltage 0.1 ppm 5 % vs. load 0.1 ppm 5 % vs. aging 1.0 ppm 1 st year 3.0 ppm 10 years frequency tolerance @ +25 c 0.5 ppm frequency tolerance after reflow 0.5 ppm allan variance (adev) 0.1 ppb (1x10 -10 ) @ ? = 0.1 ~ 1.0 sec 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 2.0 ppb over 18 points supply voltage +3.3 v 5 % supply current 4 ma max. output signal cmos v oh > 0.9 ? vdc v ol < 0.1 ? vdc output load 15 pf 5 % symmetry (duty) 45 % ~ 55 % @ ? vdc phase noise @ 12.678303 mhz <-90 dbc/hz @ 10 hz <-115 dbc/hz @ 100 hz <-130 dbc/hz @ 1 khz <-140 dbc/hz @ 10 khz <-145 dbc/hz @ 100 khz operating temperature range -20 ~ +55 c class 2 beacon -40 ~ +55 c class 1 beacon storage temperature range -55 ~ +125 c pin function # 1 do not connect # 4 gnd # 5 output # 8 vdc do not connect: #2, #3, #6 &, #7 solder pattern ir reflow soldering temperature
TX7-503CM-SQ-COSA analogue temperature compensated xtal oscillator cospas sarsat compliant cmos tcxo application: emergency beacon class 1 & 2 2011/65/eu rohs compliant page 2 of 2 24 jan. 14 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 medium term stability frequency stability measurement procedur e according the cospas-sarsat t.001 note #1: tmin = -20 c (class 2 beacon) t on = beacon turn-on time after 2 hours ?cold soak? tmeas = start time of frequency st ability measurement (ton + 15 min) note: #2 the 2h and 1h warm-up and stabilisation times are 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
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