DSO321SY32.768KHZ DSO321SY33.000MHZ DSO321SY37.400MHZ DSO321SY38.400MHZ DSO321SY40.000MHZ DSO321SY49.152MHZ DSO321SY50.000MHZ DSO321SY7.3728MHZ DSO321SY75.000MHZ DSO321SY8.000MHZ