ocxo (o ven c ontrolled c rystal o scillators) +5.0 v; +12 v OC31E series 50 oh m load sine wave mercury since 1973 mercury www.mercury-crystal.com taiwan: tel (886)-2-240 6-2779, fax (886)-2-2496-0769, e-mail : sales-tw@mercury-crystal.com u.s.a.: tel (1)-909-466-0427, fax (1 )-909-466-0762, e-mail: sales-us@mercury-crystal.com mercury page 1 of 2 date: july 20, 2006 rev. 0 mercury OC31E is 36.2x27.2 mm 5 pin solder sealed metal pacakge with 25.4x17.8 mm pin-to-pin spacin g high stability low aging ocxo. besides standard at cut crystal, users can also choose sc cut crystal for better performance. hcmo s square wave output is available as oc31t series. oc30e series: same package size as OC31E but with different pin configurations. general specifications ( 10 mhz at+25c, at specified vcc and +2.5 v vcon) output wave form sine wave. wave form code is ? e ? frequency range 10 mhz ~100.0 mhz type of crystal cut used at -cut. use ? a ? for crystal code or sc- cut: use ? s ? for crystal code. sc has better performance but higher cost. see technical note tn-031. supply voltage (vcc) +5.0 v d.c 5% (voltage code is ? 5 ?); +12.0 v d.c 5% (voltage code is ? 12 ?) initial calibration tolerance 0.5 ppm max. at time of shipment; vcon=+2.5v best stability 0c to +60c -20c to +70c -40c to +85c for at crystal 0.03 ppm 0.08 ppm 0.2 ppm operating temperature range (custom spec. on request) for sc crystal 0.01 ppm 0.02 ppm 0.03 ppm aging (after 72 hours of continuous operation) at :3 ppb max./day; 0.5 ppm max./first year;3 ppm max. over 10 years. sc : 2 ppb max./day; 0.1 ppm max./first year;0.5 ppm max. over 10 years. supply voltage 5% variation 20 ppb max. load 5% variation 20 ppb max. frequency stability vs warm-up time (at +25c) at : 3 minutes max. within 0.5 ppm of its reference frequency. sc : 1 minute max. within 0.1 ppm of its reference frequency. freq. deviation range at : 5 ppm min. 20 ppm max.; sc : 0.5 ppm min, 2 ppm max. referenced to fo at +25c and over operating temperature range. control voltage range 2.5 v 2.0 v transfer function positive: increasing control volt age increases output frequency. input impedance 100 k ohms min. voltage control on pin 1 (efc) (electronics frequency tuning) efc linearity 10% max. power power dissipation (at +25c) 1.2 watts max. at steady-state ; 3.5 watts max. at turn-on. output level +3 dbm typical; +8 dbm max. with 50 ? load harmonic -30 dbc min. spurious -75 dbc min. reference voltage +4.0 v d.c .0.3 v d.c . or custom. offset 1 hz 10 hz 100 hz 1 khz 10 khz 10 mhz at-cut xtal -75 dbc -100 dbc -130 dbc -140 dbc -150 dbc output phase noise 10 mhz sc-cut xtal -85 dbc -120 dbc -140 dbc -145 dbc -150 dbc storage temperature -55c to +125c shock 2000 g?s, 0.3 ms ? sine vibration 10 to 2000 hz / 10 g?s
ocxo (o ven c ontrolled c rystal o scillators) +5.0 v; +12 v OC31E series 50 ohm load sine wave mercury since 1973 mercury page 2 of 2 date: july 20, 2006 rev. 0 + - 0.1uf v a - + vcc - + vcon bottom view oscilloscope frequency counter 50 ohm coaxial OC31E test circuit OC31E series package dimensions and pin connections : unit mm pin 1: voltage control efc pin 2: reference voltage output pin 3: supply voltage pin 4: rf output pin 5: ground / case part number format and example : example : OC31E5s-10.000-0.01/-20+70 oc 31 e 5 s ? 10.000 ? 0.01 -20+70 n o p q r dash s dash t slash u n : ? oc ? product prefix for ocxo o : package type. ? 31 ? for oc31 package p : output wave form code. ? e ? for 50 ohm load sine wave. q : supply voltage code. ? 5 ? for +5.0v; ? 12 ? for +12.0v r : crystal type. use ? a ? for at-cut crystal; use ? s ? for sc-cut crystal. s : frequency in mhz; t : frequency stability in ppm; u : operating temperature range: -20 c to +70 c in this case.
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