TEKTRONIX, INC.
POWER OF ATTORNEY

The undersigned, Pauline Lo Alker, an officer and/or director of TEKTRONIX,
INC.(the Company), does hereby constitute and appoint JAMES F. DALTON,
MARDILYN SAATHOFF, and H. PAUL MONTGOMERY and each of them, the undersigned's
true and lawful attorney and agent, to execute in the undersigned's name any
and all reports required to be filed under Section 16(a) of the Securities
Exchange Act of 1934 with respect to equity securities of the Company, and any
amendments thereto, required to be filed by the undersigned; and to file the
same, with all exhibits thereto, and other documents in connection therewith,
with the Securities and Exchange Commission and any applicable stock exchange,
granting unto said attorneys and agents, and each of them, full power and
authority to do any and all acts and things necessary or advisable to be done,
as fully and to all intents and purposes as the undersigned might or could do
in person, hereby ratifying and confirming all that said attorneys and agents
or any of them may lawfully do or cause to be done by virtue hereof.  Any one
of said attorneys or agents shall have, and may exercise, all powers hereby
conferred.

This Power of Attorney revokes all prior Powers of Attorney relating to
reporting under Section 16(a) and shall remain in effect until revoked by a
subsequently filed instrument.

Date: April 28, 2006
Signature:/s/ Pauline Lo Alker