frequency range 10 mhz ? 40 mhz standard frequencies 10, 20 mhz parameter min typ max units operating temp range vs. operating temperature range -50 +50 ppb 0 ? +60c options 5 (referenced to +25c) -75 +75 ppb -20 ? +70c -100 +100 ppb -40 ? +85c parameter min typ max units condition ex-245 hi-reliability evacuated miniature crystal oscillator frequency stabilities 1 [10 to 20 mhz] severe environmental conditions 16 pin double dip package ruggedized hybrid thick ? lm construction low power consumption features typical applications http://www.vectron.com vectron international?267 lowellroad , hudson, new hampshire 03051?tel:+1-88-vectron-1 vectron international gmbh & co. kg ? landstra?e, 74924 neckarbischofsheim, germany ? tel: +49 7268 801 100 initial tolerance for fixed freq. settability vs. supply voltage change vs. load vs. aging / day vs aging / 1 year vs. aging /10 year vs. aging /10 year vs. aging /10 year -1 -0.2 -15 -15 -2 -200 -1000 -1500 -2000 +1 +0.2 +15 +15 +2 +200 +1000 +1500 +2000 ppm ppm ppb ppb ppb ppb ppb ppb ppb fixed, no adjust option v s 5% load 5% after 7 days of operation 10 to <12mhz 12 to <16mhz 16 to 20mhz warm-up time 120 seconds to 1ppm of ? nal freq. @+25c 180 seconds to 100ppb of ? nal freq. @+25c ex-245
frequency tuning (efc) rf output supply voltage (vs) http://www.vectron.com vectron international?267 lowellroad , hudson, new hampshire 03051?tel:+1-88-vectron-1 vectron international gmbh & co. kg ? landstra?e, 74924 neckarbischofsheim, germany ? tel: +49 7268 801 100 parameter min typ max units operating temp range vs. operating temperature range -75 +75 ppb 0 ? +60c options 5 (referenced to +25c) -100 +100 ppb -20 ? +70c -150 +150 ppb -40 ? +85c parameter min typ max units condition initial tolerance for fixed freq. settability vs. supply voltage change vs. load vs. aging / day vs aging / 1 year vs. aging /10 year -1.5 -0.3 -25 -25 -3 -300 -3000 +1.5 +0.3 +25 +25 +3 +300 +3000 ppm ppm ppb ppb ppb ppb ppb fixed, no adjust option v s 5% load 5% after 7 days of operation warm-up time 120 seconds to 1ppm of ? nal freq. @+25c 180 seconds to 100ppb of ? nal freq. @+25c parameter min typ max units condition supply voltage [standard] 4.75 5 5.25 vdc power consumption 2.2 watts during warm-up 0.7 watts steady state @ +25c parameter min typ max units condition signal [standard] hcmos load 15 pf signal level (vol) 0.1 vdc signal level (voh) 0.9 vdc rise/fall time +7 ns (10-90%) duty cycle 40 60 % @ (voh-vol)/2 signal [option] sinewave load 50 " output power [standard] output power [option] harmonics spurious 0.0 3.0 +2.0 +5.0 4.0 7.0 -25 -60 dbm dbm dbc dbc 50 ohm load 50 ohm load parameter min typ max units condition tuning range fixed, no adjust options 5 tuning range suf? cient to compensate for 10 years aging efc (0v to 4v) vref 4.0 4.1 4.2 vdc source current 1ma maximum frequency stabilities 1 [>20 to 40 mhz]
http://www.vectron.com vectron international?267 lowellroad , hudson, new hampshire 03051?tel:+1-88-vectron-1 vectron international gmbh & co. kg ? landstra?e, 74924 neckarbischofsheim, germany ? tel: +49 7268 801 100 environmental conditions (designed to meet) additional parameters 1 [10 to 20 mhz] additional parameters 1 [>20 to 40 mhz] parameter max. units condition phase noise -100 dbc/hz 10 hz 10 to 20 mhz -125 dbc/hz 100 hz -140 dbc/hz 1 khz -145 dbc/hz 10 khz -145 dbc/hz 100 khz g-sensitivity 1 x 10-9 /g test at 10g sine vibration at 100hz parameter max. units condition phase noise -90 dbc/hz 10 hz > 20 to 40 mhz -115 dbc/hz 100 hz -130 dbc/hz 1 khz -140 dbc/hz 10 khz -140 dbc/hz 100 khz g-sensitivity 1 x 10-9 /g test at 10g sine vibration at 100hz ? radiation tolerant (operating): active devices are selected from a family of product that is inherently radiation tolerant to meet 100krad (si) total dose ? mechanical shock (survive)***: mil-std-202, test method 213, condition e (1000g, 0.5msec) ? vibration random (survive)***: mil-std-202, test method 214, condition i-f (20grms, 3 minutes/axis) ? vibration sine (survive)***: mil-std-202, test method 204, condition d (20grms, 20 minutes/axis) note: *** met by design, not tested
ordering code s b test inspection s-level screening b-level screening nondestructive bond pull mil-std-883 method 2023 n/a internal visual per mil-prf-55310 requirement internal visual per mil-prf-55310 requirement internal visual per mil-prf-55310 requirement stabilization bake mil-std-883 method 1008, condition c 150c for 48hrs mil-std-883 method 1008, condition c 150c for 48hrs thermal shock mil-std-883 method 1011, condition a 0c to 100c for 15cycles n/a temperature cycling (1) mil-std-883 method 1010, condition a -55c to 85c (2) for 10cycles mil-std-883 method 1010, condition a -55c to 85c (2) for 10cycles constant acceleration (1) mil-std-883 method 2001 1000g?s (3) y1 only mil-std-883 method 2001 1000g?s (3) y1 only seal (fine & gross leak) (1) n/a (vacuum seal) n/a (vacuum seal) pind mil-std-883 method 2020, condition b 10g peak at 60hz minimum n/a electrical test per mil-prf-55310 requirement per mil-prf-55310 requirement burn-in (1) 85c (2) for 240hrs 85c (2) for 240hrs electrical test per mil-prf-55310 requirement per mil-prf-55310 requirement radiographic mil-std-883 method 2012 n/a note: (1) these test inspections deviate from screening requirements for class 2 oscillator in mil-prf-55310. (2) the maximum operating and storage temperature of the ex-245 is +85 c. the ex-245 shall not be exposed to temperature higher than +85 c at length of time. (3) the design and construction of the ex-245 can withstand up to 1000g?s constant acceleration http://www.vectron.com vectron international?267 lowellroad , hudson, new hampshire 03051?tel:+1-88-vectron-1 vectron international gmbh & co. kg ? landstra?e, 74924 neckarbischofsheim, germany ? tel: +49 7268 801 100 screening options
pin function pin # with efc fixed frequency 1 efc no connection 2-4 no connection no connection 8 case/gnd case/gnd 9 output output 13-14 no connection no connection 15 vref no connection 16 supply supply **pin numbers are for reference 150 183 220 60s 60-90s 45-60s time (s) temperature ( o c) reflow profile reflow profile package outline http://www.vectron.com vectron international?267 lowellroad , hudson, new hampshire 03051?tel:+1-88-vectron-1 vectron international gmbh & co. kg ? landstra?e, 74924 neckarbischofsheim, germany ? tel: +49 7268 801 100
how to order this product: http://www.vectron.com vectron international?267 lowellroad , hudson, new hampshire 03051?tel:+1-88-vectron-1 vectron international gmbh & co. kg ? landstra?e, 74924 neckarbischofsheim, germany ? tel: +49 7268 801 100 use this worksheet to forward the following information to your factory representative : model - s u p p l y vo l t a g e code rf output code temperature range - stability options - frequency ex-245 - c a d - 508 a s s - 10m0000000 notes: 1 contact factory for improved stabilities or additional product options. not all options and codes are available at all frequencies. 2 unless otherwise stated all values are valid after warm-up time and refer to typical conditions for supply voltage, frequency control voltage, load, temperature (25c) 3 phase noise degrades with increasing output frequency. 4 subject to technical modi? cation. 5 contact factory for availability. supply voltage code: c: 5 v temperature range: k: 0 ... +60c d: -20...+70c f: -40...+85c stability: 508: 50ppb 758: 75ppb 107: 100ppb 157: 150ppb rf output code: a: cmos g: sinewave (0 dbm) h: sinewave (+3 dbm) model code: 245: type a crystal options: s: swept quartz n: non-swept quartz other options: a: electrical tuning b: fixed frequency screening option: s: ?s? level screening b: ?b? level screening e: ?em? engineering model
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