Damage Boundary Study of Crystal Oscillators under Shock Environment

Table 6

Performance of crystal oscillators on the C2 board.

Loading step	Inflection frequency (Hz)	Peak ASRS (g)	Peak PVSRS (m/s)	Test results
Step 1	2255	1432∼1903	1.31∼1.42	N
Step 2	2001	2468∼2925	1.81∼2.18	R
Step 3	2363	4278∼4907	3.11∼3.66	R
Step 4	2041	7072∼8042	5.21∼6.14	R
Step 5	2512	7918∼9001	5.82∼6.90	R
Step 6	2302	13660∼15880	10.49∼12.19	R
Step 7	2373	15380∼21120	12.97∼18.73	U

“N”: normal; “R”: recoverable frequency jumping; “U”: unrecoverable frequency deviation.