oven-controlled cr ystal oscillators 357 beloit street, p.o. box 457, burlington, wi 53105-0457 u.s.a. phone 262/763-3591 fax 262/763-2881 email: nelsales@nelfc.com www.nelfc.com data sheet 0921a 8 1.42 (36,1 mm) 1.00 (25,40 mm) ?0.030 (0,76 mm) typ 1 0.70 (17,78 mm) 0.75 (19,05 mm) 2 3 0.25 (6,35 mm) 7 6 1.07 (27,20 mm) 0.25(6,35 mm) 4 5 product data sheet features ? sc-cut crystal ? high stability ? low aging ? very low phase noise: -135 dbc/hz at 10hz offset -170 dbc/hz on the noise floor applications ? instrumentation ? telecommunication systems ? data communications ? gps ? cots/dual use o-ce8-xxyzxx-x-v-xx-x precision very low phase noise ocxo in 36x27 mm ?europack? with osc disable and oven alarm features for instrumentation rev f
oven-controlled cr ystal oscillators 357 beloit street, p.o. box 457, burlington, wi 53105-0457 u.s.a. phone 262/763-3591 fax 262/763-2881 email: nelsales@nelfc.com www.nelfc.com data sheet 0921a parameter symb condition min typ max unit note absolute maximum ratings input break down voltage vcc 12 v supply 5 v supply -0.5 -0.5 13.0 5.5 v storage temper. ts -40 85 c control voltage vc -1 -5 5.5 5 v slope option ?p? slope option ?n? electrical (4) frequency f 8 10.000 13 mhz vs. temp. 10 ppb see chart below frequency stability f/f vs. supply 0.2 0.3 ppb/10%vcc aging per day per year, first year second year 10 years 15 years 5e-10 1e-7 3e-8 2.5e-7 2.7e-7 after 30 days 5e-8 available allan deviation .1s to 10s 1e-12 ssb phase noise (achieved after 10 minutes warm-up) 1hz 10 hz 100 hz 1 khz 10 khz 100 khz -105 -135 -155 -162 -168 -170 -102 -133 -154 -161 -167 -169 dbc/hz retrace after 30 minutes 10 ppb 24 hours off 3* all parameters for 10 mhz g-sensitivity worst direction 1.0 ppb/g input voltage vcc 4.75 11.4 5.0 12.0 5.25 12.6 v see chart below to specify power consumption p steady state, 25c steady state, -30c start-up @ -30c 0.8 1.5 2.5 1.0 3.2 w still air spectral purity spurious harmonics -35 -80 -30 dbc non-harmonic load internally ac-coupled 50 ohm warm-up time to 0.1ppm accuracy to 10ppb accuracy 3 5 10 minutes off time <24 hrs aging rate was reached output waveform hcmos/ttl compatible or sinewave output power +8 +10 dbm output code s logic 1 (cmos) voh 0.7 vre f v output code t logic 0 (cmos) vol 0.1 vref v output code t control voltage vc 0 -4.5 vref 4.5 v slope option ?p? slope option ?n? reference voltage vref vcc = 12v vcc = 5v 5 or 4.5 4.5 v output impedance at vref pin 100 ohm modulation bandwidth fm dc 1 khz note 5 pull range from nominal f 0.4 0.5 0.6 0.7 ppm slope option ?p? slope option ?n? deviation slope monotonic, positive monotonic, negative 1.2/vref -0.15 ppm/v slope option ?p? slope option ?n? setability vc0 @25c, fnom. vref/2 0.5 0 0.5 v slope option ?p? 3* slope option ?n? oven ready v pin #7 3.3 0.5 v ready not ready
oven-controlled cr ystal oscillators 357 beloit street, p.o. box 457, burlington, wi 53105-0457 u.s.a. phone 262/763-3591 fax 262/763-2881 email: nelsales@nelfc.com www.nelfc.com data sheet 0921a output enable cmos logic ?1? (4.5v>v>2.5) or floating logic ?0? (v<0.5v) enabled disabled v pout< -30 dbm notes: 1*. for operating temperatures higher than 70oc the power cons umption will be higher (about 20% for 85oc). values listed are for test in still air environment, th e values will go up while testing in the temperature chamber. 2* for recommended phase noise test, contact factory. it?s assumed that phase noise test is performed under static conditions (no vibration), in still air, and care is taken for minimizing emi. 3*. longer storage time, especially at low temperatures, may affect both retrace and setability parameters. it may require few days on power for re-stabilization. 4. all parameters, unless otherwise specif ied, are at nominal conditions, ie: t=25c, nominal vcc & nominal load. 5. older and stock units may have mbw of 150 hz max. environmental an d mechanical operating temp. range -30c to 70c standard, other options ? see chart below mechanical shock per mil-std-202, 30g, 11ms vibration per mil-std-202, 5g to 2000 hz soldering conditions 260c for 10s max leads only electrical connections pin out pin #1-vc ; pin#2, pin #8 ? for internal use ? do not connect; pin #3 ? vcc; pin #4 ? output enable; pin #5 ? rf output; pin #6 ? gnd; pin #7 ? oven ready indicator
oven-controlled cr ystal oscillators 357 beloit street, p.o. box 457, burlington, wi 53105-0457 u.s.a. phone 262/763-3591 fax 262/763-2881 email: nelsales@nelfc.com www.nelfc.com data sheet 0921a o - c e8 x x yz xx - x - v - xx - x freq ocxo conventional power package code europack 36x27mm, 8 pin deviation slope drawn by: rb/bn date: 05/18/0 tech dir: rb date: 05/18/0 code specification p positive n negative creating a part number temperature range code in 5oc steps ** first letter lowest temperature from a = -40oc second letter highest temperature to z = 85oc examples az -40c to 85c gu -10c to 60c ew -20c to 70c temperature stability code specification 17 1x10 -7 58 5x10 -8 28 2x10 -8 18 1x10 -8 59 5x10 -9 yz yx10 -z aging insert value per day times 1e-10 examples 05 5e-10 = 0.5 ppb/day 10 1e-9 = 1 ppb/day supply voltage code specification 0 5v 5% f 12v 5% output code specification t cmos/ttl s sinewave environmental code specification l contains a level of lead that is in excess of rohs directive and is not designed for reflow r rohs compliant, not designed for reflow phase noise code code specification v standard not all combinations are available. consult factory . **temperature code table letter temp c letter temp c letter temp c letter temp c letter temp c letter temp c a -40 f -15 k 10 p 35 u 60 z 85 b -35 g -10 l 15 q 40 v 65 c -30 h -5 m 20 r 45 w 70 d -25 i 0 n 25 s 50 x 75 e -20 j 5 o 30 t 55 y 80
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