digital tcxo raltron electronics corp. 10651 n.w. 19 th st miami, florida 33172 u.s.a. phone: +001(305) 593 - 6033 fax: +001 (305)594 - 3973 e - mail: sales@raltron.com internet: http:/www.raltron.com rev c . smt stratum 3 digital tcxo 230 series n features: - fully meeting free run frequency accuracy and 24 hours maximum frequency drift requirements for stratum 3 according to telecordia gr - 1244 - core (issue 2)* - very low power consumption s uitable for portable and/or battery operated equipment n electrical specification** parameter symbol conditions value unit supply voltage, nom. vs vs5% 3.0 5.0 v supply current, max. is vs, nom. / ta=25c 2.0 to 5.0 ma frequency, nom. fo - 10.000 to 40.000 mhz overall frequency stability over 10 years of operation including initial frequency calibration d fc/fo ta= - 40c to + 85c 4.6 ppm frequency drift during 24 hours of continuous operation, max (see note 1) d fc/fo ta= - 40c to + 85c or ta 0c t o + 70c 0.37 ppm temperature stability (see note 2) ta= - 40c to + 85c or ta=0c to + 70c 0.30 0.28 ppm ppm control voltage range vc - +0.25?+2.25 v frequency adjustment range d f/fo (vc) vc= 0.25v vc= vs - 0.25v - 5 ? - 10 +5 ?+10 ppm ppm voltag e control (pin 1) input impedance, min. z in - 100 k w jitter (peak to peak), max (fnom = 20 mhz) j(f) offset d f = 12khz to 20mhz 10 ps phase noise ssb @ freq.offset, max (fnom = 20 mhz) ( d f) d f=10hz d f=100hz d f=1khz d f 3 10khz - 80 - 110 - 130 - 145 dbc/hz dbc/hz dbc/hz dbc/hz hcmos output levels clipped sine voh/vol vout load = 15pf load=10 k w ||20pf 0.9vcc / 0.1vcc 0.7 v vp - p n environmental specification storage temperature range - - 45 c?.+85 c vibration - iec 68 - 2 - 6, test fc: 10..500 hz, 10g, 2 h , 3 directions all parameters within initial limits mechanical shocks - iec 68 - 2 - 27, test ea: 100g, ? sine, 3 bumps, 6 directions all parameters within initial limits notes: 1. the 24 hours drift can be measured any time after minimum 1 hour from i nitial turn on. please contact factory for details. 2. the temperature stability is calculated with regard to frequency reading at 25c1c. * telecordia is a trademark of telecordia technologies ** this specification is typical. other frequencies, outp ut types and custom parameters are available. please, contact factory for details. not for reflow process
digital tcxo raltron electronics corp. 10651 n.w. 19 th st miami, florida 33172 u.s.a. phone: +001(305) 593 - 6033 fax: +001 (305)594 - 3973 e - mail: sales@raltron.com internet: http:/www.raltron.com how to order (part number) prefix output type series revision temperature range stability frequency tu; no freq. adjust option ty; with freq adjust 0: clipped sine 2:hcmos 4:lvcmos 45:230 a first letter lowest temperature, second letter highest temperature: lz: +0c to +70c d3: - 40c to +85c value x 10e - 6 example 0.28= 0.28ppm 0.5= 0.5ppm in mhz example : tu0230a - lz - 0.28 - 19.440 ? str3 frequency 19.44mhz mhz temp stability = 0.28 x 10e - 6 = 0.28 ppm operating temp range = 0c to +70c revision "a" series output clipped sine pre fix: digital tcxo ? no freq. adjust stratum 3
digital tcxo raltron electronics corp. 10651 n.w. 19 th st miami, florida 33172 u.s.a. phone: +001(305) 593 - 6033 fax: +001 (305)594 - 3973 e - mail: sales@raltron.com internet: http:/www.raltron.com mechanical specification
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