EXHIBIT 16 Office of the Chief Accountant Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549 April 3, 2002 Dear Sir or Madam: We have read Item 4 included in the attached Form 8-K dated April 3, 2002 of LTX Corporation filed with the Securities and Exchange Commission and are in agreement with the statements contained therein. Very truly yours, Arthur Andersen LLP