FCXO-05-24.000MHZ FCXO-0524.576MHZ FCXO-05-24.576MHz FCXO-0525.000MHZ FCXO-0525MHZ FCXO-0526MHZ FCXO-05-27.000MHZ FCXO-0527MHZ FCXO-053.6864MHZ FCXO-0533.000MHz