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 ZT620 series tcxos are standard-packaged parts providing extended shock and vibration performance with close tolerance temperature stability. the part provides tight stability from 2x10 -7 ppm over -10 to +60c. good phase noise over mil temperature range wide frequency range output squarewave, acmos available 1.25mhz to 50mhz output pecl available industry-standard dual-in-line package general specification outlines and dimensions standard package, tight staility/low noise ZT620 to zt623 series tcxo 1.25mhz to 300mhz stability over temperature temp. range stability part no. code -10~+60c 2x10 -7 ppm g27 -20~+70c 3x10 -7 ppm n37 -40~+85c 5x10 -7 ppm t57 -40~+85c 12x10 -6 ppm t16 frequency range: 1.25mhz to 300.0mhz output model ZT620/zt621: squarewave, acmos (available from 1.25mhz to 50.0mhz) model zt622/xt623: pecl (available from 50mhz to 300mhz) load acmos: 15pf 5% pecl: 50 to v supply -2.0v symmetry: 50%10% ageing: 2x10 -9 per day after 30 days input voltage ZT620 & zt622: +5.0vdc 5% zt621 & zt623: +3.3vdc 5% frequency adjust: 5ppm typical positive slope 0 to v supply efc phase noise (at 10mhz, typical) offset dbc/hz 10hz -95 100hz -125 1khz -140 10khz -150 100khz -155 part numbering example: ZT620-n27-10.0mhz ZT620 - n27 - 10.0mhz model number - stability - frequency
|
