? coldweld vacuum sealed although similar in appearance and configuration to a commonly used solder-sealed counterpart, bliley's ba series features unexcelled process cleanliness and flux-free sealing in a vacuum to minimize contamination. improved aging and reliability result at a modest cost premium. the following data is suggested for general guidance. superior performance in temperature stability and aging can be provided if required. bliley electric co. - crystal products file:///e|/bliley electric co_ - crystal products.htm (1 of 2) [9/4/2001 12:17:50 pm]
bliley type ba6 ba6w ba4w ba2w ba1w mil-h-10056 holder designation hc-36/u hc-47/u hc-46/u size hc-43/u hc-45/u aging guidelines 1st month following year 1 ppm 1 ppm 1 ppm 1.5 ppm 2 ppm 2 ppm vibration 10 g from 10 to 2000 hz shock 100 g for 11 ms internally ruggedized designs are available for higher level shock and vibration. bliley type frequency range (mhz) crystal cut-at (mode) max series res. (ohms) freq. tol. (%) vs temp. range ( c) (includes calibration at +25 c) typical drive level (mw) 0 to +50 0 to +75 -40 to +70 -55 to +105 ba6 1 - 2 fundamental 350 .0015 .002 .0025 .003 0.5 ba6 & ba4w 2 - 3 175 3 - 4 75 ba6, ba4w, ba2w & ba1w* 4 - 7 50 7 - 10 30 10 - 20* 25 20 - 90* 3rd 30 ba2w & ba1w 90 - 150 5th 50 150 - 200 7th 125 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? bliley electric co. - crystal products file:///e|/bliley electric co_ - crystal products.htm (2 of 2) [9/4/2001 12:17:50 pm]
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