vectron interna onal ? 267 lowell road, suite 102, hudson, nh 03051 ? tel: 1-88-vectron-1 ? h p://www.vectron.com page 1 of 6 ar- 133a-03 rubidium frequency standard high stability under vibra on ? short-term-stability: <1.2e-11 @ 1s (typical, improved version) ? phase noise: -159dbc/hz oor (typical) ? outputs: 10mhz and 1pps ? input: 1pps for discipling ? supply voltage: 15 vdc ? steady-state power: <8w ? size: 77 x 77 x 49.65 mm ? vibra on isolated ? secure communica on ? elint ? c41 features applications description the ar133a-03 is a ruggedized version of rubidium frequency standard model ar133a which is designed for airborne applica ons. a vibra on isolator included in the ar133a-03 enables the unit to maintain high frequency stability and accuracy in vibra on environments such as airborne pla orms. the unit features very fast warm-up and could be disciplined to an external 1pps from gps or other sources. it is one of the sm allest, high performance disciplined rubidium frequency standards available today. the ar133a is comprised of a unique dfll (digital frequen cy lock loop) where a high performance crystal oscillator is locked to the rubidium atomic line using an embedded microprocessor and a special patented algorithm. ar-133a-03 performance speci ca ? ons input & outputs outputs - 10mhz sine wave +122 dbm into 50 1pps, 3v ttl into 50 rise me < 10nsec pulse width <20 sec (in ar-133a-03-02 the pulse width is 400 sec input 1pps ttl 50 monitor & control rs-232 control and monitor interface provides: id, status, frequency adjustment. protocol: 9600, 1, 8, 1, no parity for details see so ware icd digital frequency adjustment: 7.6e-13 steps over > 5e-7 range all speci ca ons de ned at 25c, quiescent condi ons, ambient sea level and nominal supply voltage unless otherwise speci ed. 1pps in com (rx, tx) power supply 10mhz out 1pps out lock (bit) ar-133a rev 1.0 may 2015
vectron interna onal ? 267 lowell road, suite 102, hudson, nh 03051 ? tel: 1-88-vectron-1 ? h p://www.vectron.com page 2 of 6 performance frequency short term stability improved version (*) <1.5e-11 @ 1 second (typical < 1.2e-11 @ 1 second) < 2e-11 @ 1sec ? under vibra on standard version (*) < 3e-11 @ 1 second phase noise quiescent quiescent (typical) under vibra on (typical) see also the phase noise plots below <-110 dbc/hz @ 10hz <-135 dbc/hz @ 100hz <-150 dbc/hz @ 1khz <-155 dbc/hz @ 10khz <-121 dbc/hz @ 10hz < -146 dbc/hz @ 100hz < -156 dbc/hz @ 1khz < -159 dbc/hz @ 10khz <- 121dbc/hz @ 10hz <- 125 dbc/hz @ 100hz <- 145dbc/hz @ 1khz <- 159dbc/hz @ 10khz harmonics < -50 dbc (up to 70mhz) spurious < -105 dbc in the range 10hz to 100khz from carrier warm-up improved version (*) typical me to lock 2.5 minutes @ 25c standard version (*) < 5e-8 (lock) within 4 minutes @ 25c 5e-10 within 5 minutes @ 25c retrace < 5e-11 with on-o ? -on cycle: 24 hours, 48 hours, 12 hours accuracy @ shipment < 5e-11 magne ? c field sensi ? vity < 8e-11 / gauss up to 3 gauss dc (worst direc on) long term stability (free run rubidium aging) <5e-10 / year (a er 3 month opera on) (for improved aging contact factory) accuracy under disciplining disciplined to external 1pps - <1e-11 (averaging from 30-90 minutes a er power up) temperature stability and range 3e-10 rela ve to 25c over -20c to +65c (up to 70oc in the improved version) time accuracy (1pps) long term accuracy 100ns (50ns typ.) rms rela ve to external 1pps when disciplined 1 s / 24 hrs. in holdover (typical) (a er 4 hours of disciplining before holdover) power consump ? on @ steady-state < 8.25w @ 25c @ warm-up < 18w@ 25c (*) see how to order table below power supply, dimensions & weight dc 150.3 vdc size 77 mm x 77mm x 49.65 mm - for details see mechanical icd weight 360 g bit and remote control built in test (bit): the built in test detects > 95% of all failures. detected via pin number 3 in the d type connector - open collector (10ma max). high impedance = bit fail; short to ground = bit pass & lock. bit also is obtained also via the serial communica on (see so ware icd) vibra on levels (g rms) axis opera on survivability x 1.1079 2.2713 y 4.5346 9.2958 z 8.376 17.1708 environmental opera ? ng temperature -20c to +65 c (up to 70 c in the improved version) storage temperature -40c to +80c humidity 95% at 35c, non-condensed accelera ? on 9g opera on, 17g non-opera ng vibra ? on see graphs below rev 1.0 may 2015
vectron interna onal ? 267 lowell road, suite 102, hudson, nh 03051 ? tel: 1-88-vectron-1 ? h p://www.vectron.com page 3 of 6 vibra on pro les axis opera ng survivability (non-opera ng) x y z phase noise under vibra on x axis y axis z axis (*) the above plots are measurement results obtained with one of the units. rev 1.0 may 2015
vectron interna onal ? 267 lowell road, suite 102, hudson, nh 03051 ? tel: 1-88-vectron-1 ? h p://www.vectron.com page 4 of 6 mechanical & electrical icd d-type subminiature 9 pins (male) pin 1 supply pin 2 gnd pin 3 lock (bit) pin 4 1pps in pin 5 factory use pin 6 txd pin 7 factory use pin 8 1pps out pin 9 rxd sma: rf out rev 1.0 may 2015
vectron interna onal ? 267 lowell road, suite 102, hudson, nh 03051 ? tel: 1-88-vectron-1 ? h p://www.vectron.com page 5 of 6 how to order how to order descrip ? on vectron p/n note standard ar-133-03-01 ar-133a with vib. isolator, standard performance improved AR-133-03-02 ar-133a with vib. isolator, improved performance accessories (op ? on) descrip ? on vectron p/n note gui (graphic user interface) sw50029 custom gui for ar-133a opera ? on cable ac50549 opera on cable for ar-133a with rs232 com. rev 1.0 may 2015
vectron interna onal ? 267 lowell road, suite 102, hudson, nh 03051 ? tel: 1-88-vectron-1 ? h p://www.vectron.com page 6 of 6 revision history revision change summary date 1.0 product release may 2015 disclaimer vectron interna onal reserves the right to make changes to the product(s) and or informa on contained herein without no ce. no liability is assumed as a result of their use or applica- on. no rights under any patent accompany the sale of any such product(s) or informa on. for additional information, please contact usa: vectron interna onal 267 lowell road, suite 102 hudson, nh 03051 tel: 1.888.328.7661 fax: 1.888.329.8328 europe: vectron interna onal landstrasse, d-74924 neckarbischofsheim, germany tel: +49 (0) 7268.801.100 fax: +49 (0) 7268.801.282 asia: 68 yin cheng road(c), 22nd floor one lu jia zui pudong, shanghai 200120, china tel: +86 21 6194 6886 fax: +86 21 6194 6699 rev 1.0 may 2015
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