features smallest ocxo available (< 1 cm 3 , 2g weight) sc - cut crystal high vacuum sealed enclosure extremely low power consumpt ion (<100 mw) very fast warm - up time (30s) high stability (up to 5x10 - 9 over 0c to 50c) low aging (5x10 - 10 /day, 5x10 - 8 /year) very low phase noise ( - 160dbc/hz typ) hcmos/ttl output, sine available 4.8 mhz to 180 mhz frequencies available dil 14 compati ble pinout vft14a series micro - miniature, evacuated ocxo 75 south street, hopkinton, ma 01748 800 - 982 - 5737 508 - 435 - 6831 fax 508 435 - 5289 www.valpeyfisher.com applications telecommunications data communications battery powered systems and equipment gps instrumentation sarsat beacons vft14a frequency, mhz temperature range code specification a 0c to 50c b - 10c to 60c c 0c to 70c d - 20c to 70c e - 30c to 70c f - 40c to 85c temperature stability code specification 17 1x10 - 7 58 5x10 - 8 28 2x10 - 8 18 1x10 - 8 59 5x10 - 9 yz yx10 - z a ging code specification l 1x10 - 9 /day s 5x10 - 10 /day supply voltage code specification 5 5v 5% 3 3.3v 5% s for sinewave create a part nu mber not all combinations are available. consult factory .
specifications: parameter symb condition min typ max unit note absolute maximum ratings input break down voltage vcc - 0.5 7.0 v storage temper. ts - 40 85 c control voltage vc - 1 6 v el ectrical frequency f 4.8 10.000 180 mhz vs. temp. 50 ppb see chart below frequency stability d f/f vs. supply 1 5 ppb/v aging per day per year 5e - 10 1e - 7 after 30 days allan variance .1s to 10s 1e - 11 ssb phase noise 10 hz 100 hz 10 khz - 120 - 145 - 160 dbc/hz deteriorates by 20logn for highe r freq. retrace after 30 minutes 20 ppb g - sensitivity worst direction 1.0 ppb/g all parameters for 10 mhz input voltage vcc 4.75 5.0 5.25 v 3.3v5% optional input current icc steady state, 25c steady state, - 30c start - up current 25/35 70/100 100/150 35/45 ma 5v /3.3 supply load 10kohm//15pf warm - up time t to 0.1ppm accuracy 35 s 40s at 3.3v supply output waveform 3.3v hcmos/ttl compatible sine wave available tristate control logic ?high? or floating ? active; logic ?low? ? infinite impedance control voltage vc 0 4.1 v pull range from nominal f 0.5 1 ppm deviation slope monotonic, posit 0.4 ppm/v setability vc0 @25c, fnom. 1.0 2.0 3.0 v environmental and mechanical operating temp. range - 30c to 70c standard, other options ? see chart below mechanical shock per mil - std - 202, 30 g, 11ms vibration per mil - std - 202, 5g to 2000 hz soldering conditions leads temperature 260c, for 10s, max hermetic seal leak rate less than 1x10 - 8 atm.ccm/s of helium, to - 8 only electrical connections pin out pin 1 - vc; pin 7 - case, gnd; pin8 ? output; pin 14 - vcc rev 12/05 vft14a series micro - miniature, evacuated ocxo 75 south street, hopkinton, ma 01748 800 - 982 - 5737 508 - 435 - 6831 fax 508 435 - 5289 www.valpeyfisher.com
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