euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk euro quartz description T1220 series microprocessor-compensated crystal oscillators (mcxos) provide ocxo performance in a tcxo. the part is packaged in either a standard through-hole 14 pin dil equivalent package or a smd version. ability to operate in severe environments makes this an ideal high-performance tcxo. ocxo performance in a tcxo rugged construction for severe environments tight stability, from 7x10 -8 squarewave (cmos) or clipped sinewave outputs through hole or smd package option general specification frequency range: 10.0mhz to 50.0mhz output model T1220: cmos squarewave model t1221 clipped sinewave load model T1220: 15pf model t1221: 10pf//10k w symmetry: 50%10% (model T1220) frequency stability vs. supply: 1x10 -7 vs. ageing 3x10 -7 per year after 30 days (typ.) supply voltage: +5.0 volts or +3.3 volts input current: 30ma max. T1220 - outlines and dimensions part numbering procedure example: T1220-t17-3.3-sm-10.0mhz stability over temperature temp. range stability option code -20~+70c 7x10 -8 n78 -40~+85c 1x10 -7 t17 (model number - stability - supply voltage - package - frequency) microprocessor compensated, tight stability T1220 mcxo environmental storage temperature: -55 to +105c random vibration: per mil-std-202, meth. 214, cond. i-j sine vibration: per mil-std-202, meth. 204, cond. d shock: per mil-std-202, meth. 213, cond. f phase noise (cmos 10.0mhz typical) offset dbc/hz 10hz -95 100hz -120 1khz -140 10khz -150 100khz -155
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