EX-23 4 v31514exv23.txt EXHIBIT 23 EXHIBIT 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statements No.033-59171, 333-42413, 333-68607, 333-69840, 333-102456, 333-119460, 333-131158, 333-136331, 333-136334, and 333-136336 of Tektronix, Inc. on Form S-8 and Registration Statements No. 033-58513, 333-117455, and 333-126595 of Tektronix, Inc. on Form S-3 of our reports dated July 23, 2007, relating to the financial statements and financial statement schedule of Tektronix, Inc. (which report expresses an unqualified opinion and includes explanatory paragraphs related to the Company's adoption of new accounting standards and the valuation of investments with no readily determinable market values), and management's report on the effectiveness of internal control over financial reporting appearing in the Annual Report on Form 10-K of Tektronix, Inc. for the year ended May 26, 2007. /s/ DELOITTE & TOUCHE LLP Portland, Oregon July 23, 2007