frequency QETF26-GW tuning fork 32.768khz - clock source for communication equipment specifica tio n (re v - a ) electrical characteristics ...................................................... p01 environm ental specifications ................................................ p01 mechanical characteristics ................................................... p01
QETF26-GW tuni ng fork 32.768khz ? clock source for communication equipment specifica tio n (rev -a ) nov e mb er 3 0 th , 2005 freque ncy 1 teme x r e se rv es th e r i g h t to mo di fy her ei n spe c i f i c a t i o n s an d in form a t i o n s a t any time w hen ne ce ssa r y to pr ov ide o p t im u m per form a n ce an d c o st. electrical characteristics electrical pa rameters unit minimum ty pi c a l maximum test c onditi ons freque nc y range k h z 3 2 . 7 6 8 opera t ing t e mpera t ure rang e c -20 70 storag e tem p erature rang e c -40 85 freque nc y t o lerance ppm 20 ref at 25 c frequenc y s t abilit y ppm -0.04 x ( ? c) 2 turn over temp. at 25 c 5 c aging (first year) ppm 5 ref at 25 c load capaci tanc e (cl) pf 12.5 0.2pf shunt capac i tance (c0 ) pf 2 series re sis t anc e (esr) k ? 50 driv e lev e l w 0.8 1.0 1.2 insulation resitan ce m ? 500 at 100v dc environm ental specifications test conditi ons vibra t ion te s t subje c t samp le to 2-mimut e cycle s (freq uen cie s from 10 to 500 hz) with 1.5mm amplitud e or 100g a c cele ration du ring 2 hrs in e a ch d i re ction (x,y,z). 6 hou rs in total. sh o ck t est orie nt the sa mple in any a ttitude and drop it 3 times from a hei ght of 50cm o n to a hardwood b o a rd with a thickne ss of 3 c m. mechanical characteristics recommended solder pa d
|
