features ................................................... ........................................2 applications ................................................... ..................................2 environmental conditions ................................................... ..............2 mechanical characteristics ................................................... ............3 performance characteristics ................................................... ..........4 space OCXO space qualified OCXO C oven controlled crystal osci llator, flat pack general specification (rev1)
OCXO space qualified OCXO C oven controlled crystal osci llator general specification (rev1) december, 5th 2007 all information contained within this document is e xclusi ve property of temex, it is expressly forbidden to partially or totally reproduce or to disclose to a third party without obtaining prior written permission fr om temex. 2/4 features frequency range : 30 mhz to 100 mhz low consumption supply voltage : +9v or +12v warm up consumption : 2watt maximum steady state consumption under vacuum : 0. 65 watt overall frequency stability vs. operating temperat ure range from +/C 0.2 ppm to +/C 0.5 ppm under vacuum ageing per year : +/C 0.3 ppm ; +/C 2 ppm over 15 years typical output wave form : sine 50 ohms output level : from 0 to 8 dbm compatible with flatpack tcxo pin-out : 25 x 25 mm manufacturing in accordance with mil-prf-55310 (cl ass 1, type 4, level s) based on smd discrete components technology applications recommended for frequency reference environmental conditions parameters unit minimum typical maximum operating temperature range c C 20 + 70 storage temperature range c C 55 + 125 shocks (half sine) 900g, 0.3ms sine vibration 20g as per mil-std-202, method 204, condition d random vibration 50 grms as per mil-std-202, metho d 214, condition i-f radiation up to 100 krad total dose
OCXO space qualified OCXO C oven controlled crystal osci llator general specification (rev1) december, 5th 2007 all information contained within this document is e xclusi ve property of temex, it is expressly forbidden to partially or totally reproduce or to disclose to a third party without obtaining prior written permission fr om temex. 3/4 mechanical characteristics figure 1 : oscillator outline pin description pin number name function 1-3 gnd electrical & mechanical ground 2 vcc supply voltage 4 C 5 C 8 - 9 C 10 - 11 nc 6 vc voltage control for electric tuning 13 fout frequency output
OCXO space qualified OCXO C oven controlled crystal osci llator general specification (rev1) december, 5th 2007 all information contained within this document is e xclusi ve property of temex, it is expressly forbidden to partially or totally reproduce or to disclose to a third party without obtaining prior written permission fr om temex. 4/4 performance characteristics electrical parameters unit minimum typical maximum frequency output nominal frequency range mhz 30 40 100 output level (50 w ww w load) dbm 0 8 harmonics level dbc C 25 spurious (offset > 50 hz) dbc C 80 phase noise in static conditions @ 100 mhz @ 1 hz offset dbc/hz C55 @ 10 hz offset dbc/hz C85 @ 100 hz offset dbc/hz C 115 @ 1 khz offset dbc/hz C 145 @ 10 khz offset or greater dbc/hz C 155 allan variance @ 1s ppb 0.02 free running mode (vctrl pin nc) initial setting ppm 0.25 stability vs. temperature ppm 0.2 0.5 stability vs. 5 % supply voltage variation ppm 0.0 1 stability vs. 10 % load variation ppm 0.01 aging over first year ppm 0.3 aging over 15 years ppm 2 electrical tuning (vctrl pin) relative pulling frequency range ppm 2.5 input impedance w ww w 10k bandwidth hz 1k linearity % 20 supply voltage (vcc pin) voltage range v dc 8.5 9 12.6 supply power @ 25 c under vacuum w 0.65 supply power @ warm up w 2 warm up time mn 10
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