ocxo (o ven c ontrolled c rystal o scillators) +5.0 v; +12 v OC22E series 50 ohm load sine wave mercury since 1973 mercury www.mercury-crystal.com taiwan: tel (886)-2-2406-2779, fax (886 )-2-2496-0769, e-mail: sale s-tw@mercury-crystal.com u.s.a.: tel (1)-909-466-0427, fax (1 )-909-466-0762, e-mail: s ales-us@mercury-crystal.com mercury page 1 of 2 date: july 20, 2006 rev. 0 mercury oc22t is 50.8x50.8 mm 7 pin solder sealed metal pacakge with 38.1x38.1 mm pin-to-pin spacing high stability low aging ocxo. sc cut crystal is standard for oc22 . 0.4 ppb stability and 150 ppb total aging over 10 years make the oc22 ideal for base stations, digital switching, instrumentation and frequency synthesizers. hcmos output is available as oc22t series. 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 5.0 mhz ~20.0 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 50 ppb 0.1 ppm 0.2 ppm operating temperature range (custom spec. on request) for sc crystal 0.4 ppb 5 ppb 15 ppb 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 : 0.5 ppb max./day; 50 ppb max./first year;150 ppb max. over 10 years. supply voltage 5% variation 1 ppb max. load 5% variation: 1 ppb max. frequency stability vs warm-up time (at +25c) at : 1 minute max. within 0.2 ppm of its reference frequency. sc : 5 minute max. within 10 pp b 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 voltage increases output frequency. input impedance 100 k ohms min. voltage control on pin 1 (efc) (electronics frequency tuning) efc linearity 20% max. power oven power dissipation oscillator power dissipation 2 watts max. at steady-state;6 watts max. at turn-on. at +25c. 0.5 watts max. output level 2 dbm typical 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 -90 dbc -120 dbc -140 dbc -150 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 OC22E series 50 ohm load sine wave mercury since 1973 mercury page 2 of 2 date: july 20, 2006 rev. 0 + - 0.1uf v a - + vcc1 - + vcon bottom view - + vcc2 oscilloscope frequency counter 50 ohm coaxial OC22E test circuit OC22E series package dimensions and pin connections : unit mm part number format and example : example : OC22E5s-10.000-0.01/-20+70 oc 22 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. ? 22 ? for oc22 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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