Research Article

Damage Boundary Study of Crystal Oscillators under Shock Environment

Table 5

Performance of crystal oscillators on the C1 board.

Loading stepInflection frequency (Hz)Peak ASRS (g)Peak PVSRS (m/s)Test results

Step 1616624∼6301.44∼1.61N
Step 2695965∼10792.22∼2.48N
Step 36582418∼26295.89∼6.41N
Step 46803149∼34317.67∼8.36R
Step 56914086∼448110.21∼11.08R
Step 66904866∼528912.69∼13.82R
Step 76266286∼687116.88∼18.53R
Step 86217628∼838420.87∼22.93R
Step 96988168∼889123.67∼26.06R
Step 106939438∼1120027.23∼29.99R
Step 1163112320∼1324034.21∼35.32R
Step 1263613150∼1675038.03∼42.75R
Step 1361213460∼1666037.76∼43.46U

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