vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page 1 of 3 ox-500 oven controlled crystal oscillator 4-pin package ? fast warm-up ? tcxo replacement for better short term stability ? frequency range, 7 mhz to 40 mhz ? standard frequencies, 20 mhz (sc); 13 mhz (at) ? base stations ? test equipment ? synthesizers ? military communication equipment ? features applications ox-500 frequency stabilities 1 (at-cut crystal-standard - 7 to 20 mhz) parameter min typical max units condition vs. operating temperature range (referenced to +25c) -100 -250 -250 +100 +250 +250 ppb ppb ppb -20 to +70c -20 to +70c -40 to +85c options 5 initial tolerance vs. supply voltage change vs. load change vs. aging / day vs. aging / year -0.5 -40 -40 -20 -1 +0.5 +40 +40 +20 +1 ppm ppb ppb ppb ppm at time of shipment, nominal efc v s 5% static load 5% static after 30 days of operation after 30 days of operation warm-up time 2 minutes to 200ppb of fi nal frequency (1 hour reading) @ +25c frequency stabilities 1 (sc-cut crystal-option - 20 to 40 mhz) vs. operating temperature range (referenced to +25c) -25 -50 +25 +50 ppb ppb -20 to +70c -40 to +85c initial tolerance vs. supply voltage change vs. load change vs. aging / day vs. aging / year -0.2 -20 -20 -5.0 -100 +0.2 +20 +20 +5.0 +100 ppm ppb ppb ppb ppb at time of shipment, nominal efc v s 5% static load 5% static after 30 days of operation 60 mhz; after 30 days of operation warm-up time 2 minutes to 100ppb of fi nal frequency (1 hour reading) @ +25c performance specifi cations
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page 2 of 3 performance specifi cations supply voltage (vs) parameter min typical max units condition supply voltage (standard) 3.135 3.3 3.465 vdc power consumption 2.0 watts during warm-up 0.65 watts steady state @ +25c rf output signal [standard] hcmos load 15 pf signal level (vol) 0.4 vdc with vs=3.3v and 15pf load signal level (voh) 2.4 vdc with vs=3.3v and 15pf load duty cycle 45 55 % @ (voh-vol)/2 frequency tuning (efc) tuning range fixed ocxo; no adjust option 5 tuning range 5.0 12 ppm with at cut crystal 1.0 3 ppm with sc cut crystal linearity 10% tuning slope positive control voltage range 0.0 1.4 2.8 vdc with vs=3.3v additional parameters phase noise 3 - - - - - dbc/hz dbc/hz dbc/hz dbc/hz dbc/hz 1 hz 10 hz 100 hz 1 khz 10 khz @ 10mhz weight 6.0 g processing & packing handling & processing note absolute maximum ratings supply voltage (vs) 5.5 v with vs=3.3vdc output load 50 pf operable temperature range -55 +85 c storage temperature range -55 +125 c ox-500 height h pin length l 9.5 5.85min. pin connections 1 electronic frequency control input (efc) 7 ground (case) 8 rf output 14 supply voltage input dimensions in mm outline drawing / enclosure
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page 3 of 3 ordering information ox - 500 0 - d a e - 258 0 - 10m0000000 product family ox: ocxo package tht version height 0: 9.5mm supply voltage e: 3.3v stability code 258: 25ppb 508: 50ppb 107: 100ppb 257: 250ppb frequency frequency control 0: no tuning 1: 5.0 to 12ppm 2: 1.0 to 3.0ppm disclaimer vectron international reserves the right to make changes to the product(s) and or information contained 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: 12feb2009 for additional information, please contact usa: vectron international 267 lowell road hudson, nh 03051 tel: 1.888.328.7661 fax: 1.888.329.8328 europe: vectron international landstrasse, d-74924 neckarbischofsheim, germany tel: +49 (0) 7268.801.100 fax: +49 (0) 7268.801.282 asia: vectron international 1f-2f, no 8 workshop, no 308 fenju road waigaoqiao free trade zone pudong, shanghai, china 200131 tel: 86.21.5048.0777 fax: 86.21.5048.1881 rf output code a: hcmos temperature range e: -40c to +85c j: -20c to +70c p: 0c to +50c notes: contact factory for improved stabilities or additional product options. not all options and codes are available at all 1. frequencies. unless other stated all values are valid after warm-up time and refer to typical conditions for supply voltage, frequency 2. control voltage, load, temperature (25c). phase noise degrades with increasing output frequency. 3. subject to technical modifi cation. 4. contact factory for availability. 5.
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