<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
SEPTEMBER 30, 1997 CONDENSED AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                          18,337
<SECURITIES>                                    41,986
<RECEIVABLES>                                   22,681
<ALLOWANCES>                                         0
<INVENTORY>                                     11,320
<CURRENT-ASSETS>                                98,815
<PP&E>                                          13,284
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                 152,819
<CURRENT-LIABILITIES>                           50,793
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        99,837
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                   152,819
<SALES>                                         30,219
<TOTAL-REVENUES>                                36,144
<CGS>                                           20,135
<TOTAL-COSTS>                                   20,135
<OTHER-EXPENSES>                                 8,776
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  8,004
<INCOME-TAX>                                     1,202
<INCOME-CONTINUING>                              6,802
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     6,802
<EPS-PRIMARY>                                      .27
<EPS-DILUTED>                                        0