product specification (rev 11/16/2010) vectron international ? tel: 1-88-vectron-1 ? web: www.vectron.com MD-996-0001 disciplined oscillator module features ? 1pps and 10 mhz output signals ? 15nsec accuracy (one sigma) ? automatic self-survey for improved timing accuracy ? traim (timing receiver autonomous integrity monitoring) assured high pps integrity ? contact factory for hold over specifications description the md-996 disciplined oscillator module uses vectr on?s high quality ovenized quartz crystal oscillators (ocxo) with trimble?s proven mini-thunderbolt? platform. this module has an embedded 12-channel gps receiver and provide s both 10mhz and 1 pps signal output that is synchronized to gps or utc time. the md-996 provides 15 nanosecond acc uracy and tight holdover performance. the md-996 can b e used in a variety of precision timing applications and as a lways, vectron is capable of customizing a solution for an y application. application ? digital video broadcast ? telecommunications time synchronization ? satellite communication frequency references gps receiver processor/ controller ocxo output frequency generation serial communications interface 1pps out rf output1 antenna input gps receiver processor/ controller ocxo output frequency generation serial communications interface 1pps out rf output1 antenna input figure 1. functional block diagram
MD-996-0001 disciplined oscillator module vectron international ? tel: 1-88-vectron-1 ? web: www.vectron.com 2 performance specifications 1 general l1 frequency, c/a code (sps) 12-channel, co ntinuous tracking receiver update rate: 1 hz 1 pps accuracy gps 15 nanoseconds (one sigma) output frequency 10 mhz phase noise 10 hz -120 dbc 100 hz -135 dbc 1 khz -145 dbc 10khz -145 dbc 100khz -145 dbc holdover 27 us for 24 hours with 5 c temperature de lta stability +/- 50ppb from 0 to 60c when not in track ing interface specifications 1 pps connector: sma-f (j3) ttl levels into 50 ohms 10 microsecond-wide pulse w ith the leading edge synchronized to gps within 20 nanoseconds (one sigma) in static, time-only mode. rising time: <20 nanoseconds pulse shape affected by distributed capacitance of interface cable/circuit. 10 mhz connector: sma-f (j2) antenna interface sma-f (j4) power and i/o connector: molex 70543-0005 (6-pin) (j1) pin 1- nc pin 2- gps txd 3.3v cmos level pin 3- gps rxd 3.3v cmos level (5v tolerant) C pulled to 3.3v through a 10k ohm resistor pin 4 C ground pin 5 - +v antenna C supports 2.7vdc to 5.5vdc @ up to 100ma. pin 6 - +5v 0.25v @ <750ma (cold) and <350ma (warm ) serial protocol trimble standard interface protocol (tsip) binary protocol @ 9600, 8-none-1
md-996 disciplined oscillator module vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? web: www.vectron.com 3 environmental specifications operating temp 0 c to +60 c storage temp -40 c to +85 c operating humidity 5% to 95%, non-condensing operating altitude 18,000 m physical characteristics mounting four .130 diameter mounting holes for all inquiries, please contact: vectron international reserves the right to make ch anges to the product(s) and or information containe d herein without notice. no liability is assumed as a result of their use or application. no rights under any patent accompany the sale of any such product(s) or information . rev: 10.2010 usa: vectron international, 267 lowell rd, hudson, nh 03 051 . . . . tel: 1 - 88 - vec tron - 1 fax: 1 - 888 - fax - vectron europe: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . tel: +49 (0) 3328-4784-17 fax: +49 (0) 3328-4784-30 asia: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . tel: +86-21-28909740 fax: +86-21-28909240
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