UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 2)*

                                 Microtune, Inc.
                                 ---------------
                                (Name of Issuer)

                    Common Stock, $0.001 par value per share
                    ----------------------------------------
                         (Title of Class of Securities)

                                    59514P109
                                    ---------
                                 (CUSIP Number)

                                  June 20, 2003
                                  -------------
                      (Date of Event which Requires Filing
                               of this Statement)


Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed:

         [ ]     Rule 13d-1(b)
         [X]     Rule 13d-1(c)
         [ ]     Rule 13d-1(d)


*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).

                          Continued on following pages
                               Page 1 of 12 Pages





                                  SCHEDULE 13G
CUSIP No. 59514P109                                           Page 2 of 12 Pages


1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                        WHITE ROCK CAPITAL PARTNERS, L.P.

2        Check the Appropriate Box If a Member of a Group (See Instructions)
                                     a. [ ]
                                     b. [X]

3        SEC Use Only

4        Citizenship or Place of Organization

                        TEXAS


                          5     Sole Voting Power
                                       882,250
  Number of
    Shares                6     Shared Voting Power
 Beneficially                          0
 Owned by Each
  Reporting               7     Shared Dispositive Power
 Person With                           882,250

                          8     Shared Dispositive Power
                                       0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                             882,250

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                             [X]

11       Percent of Class Represented By Amount in Row (9)

                             1.78%

12       Type of Reporting Person (See Instructions)

                             PN: IV






                                  SCHEDULE 13G
CUSIP No. 59514P109                                           Page 3 of 12 Pages


1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                        WHITE ROCK CAPITAL MANAGEMENT, L.P.

2        Check the Appropriate Box If a Member of a Group (See Instructions)
                                     a. [ ]
                                     b. [X]

3        SEC Use Only

4        Citizenship or Place of Organization

                        TEXAS


                          5     Sole Voting Power
                                       0
  Number of
    Shares                6     Shared Voting Power
 Beneficially                          1,032,250
 Owned by Each
  Reporting               7     Shared Dispositive Power
 Person With                           0

                          8     Shared Dispositive Power
                                       1,032,250

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                             1,032,250

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                             [X]

11       Percent of Class Represented By Amount in Row (9)

                             2.08%

12       Type of Reporting Person (See Instructions)

                             PN: IA






                                  SCHEDULE 13G
CUSIP No. 59514P109                                           Page 4 of 12 Pages


1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                        WHITE ROCK CAPITAL (TX), INC.

2        Check the Appropriate Box If a Member of a Group (See Instructions)
                                     a. [ ]
                                     b. [X]

3        SEC Use Only

4        Citizenship or Place of Organization

                        TEXAS


                          5     Sole Voting Power
                                       0
  Number of
    Shares                6     Shared Voting Power
 Beneficially                          1,032,250
 Owned by Each
  Reporting               7     Shared Dispositive Power
 Person With                           0

                          8     Shared Dispositive Power
                                       1,032,250

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                             1,032,250

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                             [X]

11       Percent of Class Represented By Amount in Row (9)

                             2.08%

12       Type of Reporting Person (See Instructions)

                             CO: IA






                                  SCHEDULE 13G
CUSIP No. 59514P109                                           Page 5 of 12 Pages


1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                        THOMAS U. BARTON

2        Check the Appropriate Box If a Member of a Group (See Instructions)
                                     a. [ ]
                                     b. [X]

3        SEC Use Only

4        Citizenship or Place of Organization

                        UNITED STATES


                          5     Sole Voting Power
                                       150,179
  Number of
    Shares                6     Shared Voting Power
 Beneficially                          1,032,250
 Owned by Each
  Reporting               7     Shared Dispositive Power
 Person With                           150,179

                          8     Shared Dispositive Power
                                       1,032,250

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                             1,182,429

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                             [X]

11       Percent of Class Represented By Amount in Row (9)

                             2.38%

12       Type of Reporting Person (See Instructions)

                             IN: IA





                                  SCHEDULE 13G
CUSIP No. 59514P109                                           Page 6 of 12 Pages


1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                        JOSEPH U. BARTON

2        Check the Appropriate Box If a Member of a Group (See Instructions)
                                     a. [ ]
                                     b. [X]

3        SEC Use Only

4        Citizenship or Place of Organization

                        UNITED STATES


                          5     Sole Voting Power
                                       256,557
  Number of
    Shares                6     Shared Voting Power
 Beneficially                          1,032,250
 Owned by Each
  Reporting               7     Shared Dispositive Power
 Person With                           256,557

                          8     Shared Dispositive Power
                                       1,032,250

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                             1,288,807

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                             [X]

11       Percent of Class Represented By Amount in Row (9)

                             2.60%

12       Type of Reporting Person (See Instructions)

                             IN: IA





                                                              Page 7 of 12 Pages


Item 1(a)      Name of Issuer:

               Microtune, Inc. (the "Issuer")

Item 1(b)      Address of the Issuer's Principal Executive Offices:

               2201 Tenth Street, Plano, Texas  75074

Item 2(a)      Name of Person Filing:

               This  statement  is  filed  on  behalf  of each of the  following
persons (collectively, the "Reporting Persons"):

               (i)      White  Rock   Capital   Partners,   L.P.   ("White  Rock
                        Partners");

               (ii)     White  Rock  Capital   Management,   L.P.  ("White  Rock
                        Management");

               (iii)    White Rock Capital (TX), Inc. ("White Rock, Inc.");

               (iv)     Thomas U. Barton; and

               (v)      Joseph U. Barton.

               This  Statement  relates to Shares  held for the account of White
Rock  Management  on behalf of certain  institutional  clients  (the "White Rock
Clients").  This  Statement also relates to Shares held for the account of White
Rock  Partners,  and certain  partnerships  and family  trusts for which  either
Thomas U. Barton and Joseph U. Barton serve as the general  partner and trustee,
respectively.  The  general  partner  of  White  Rock  Partners  is  White  Rock
Management,  the general  partner of which is White Rock,  Inc. Thomas U. Barton
and Joseph U. Barton are the shareholders of White Rock, Inc.

Item 2(b)      Address of Principal Business Office or, if None, Residence:

               The address and principal  business  office of each of White Rock
Partners,  White Rock Management,  White Rock, Inc., Thomas U. Barton and Joseph
U. Barton is 3131 Turtle Creek Boulevard, Suite 800, Dallas, Texas 75219.

Item 2(c)      Citizenship:

               (i)      White Rock Partners is a Texas limited partnership;

               (ii)     White Rock Management is a Texas limited partnership;

               (iii)    White Rock, Inc. is a Texas corporation;

               (iv)     Thomas U. Barton is a United States citizen; and

               (v)      Joseph U. Barton is a United States citizen.

Item 2(d)      Title of Class of Securities:

               Common Stock, $0.001 par value per share (the "Shares").





                                                              Page 8 of 12 Pages


Item 2(e)      CUSIP Number:

               59514P109

Item 3.        If  this  statement  is  filed  pursuant  to  Rule  13d-1(b),  or
               13d-2(b), check whether the person filing is a:

               This Item 3 is not applicable.

Item 4.        Ownership:

Item 4(a)      Amount Beneficially Owned:

               As of June 23, 2003, each of the Reporting  Persons may be deemed
the beneficial owner of the following number of Shares:

               (i) White Rock Partners may be deemed to be the beneficial  owner
of the 882,250 Shares held for its account.

               (ii) Each of White Rock  Management  and White Rock,  Inc. may be
deemed the beneficial  owner of 1,032,250  Shares.  This number  consists of (1)
150,000 Shares held for the accounts of the White Rock Clients,  and (2) 882,250
Shares held for the account of White Rock Partners.

               (iii)  Thomas U.  Barton  may be deemed the  beneficial  owner of
1,182,429 Shares.  This  number  consists  of (1)  150,000  Shares held for the
accounts of the White Rock Clients,  (2) 882,250  Shares held for the account of
White Rock Partners, (3) 70,000 Shares held for the account of a partnership for
which Thomas U. Barton serves as the general partner, and (4) 80,179 Shares held
for the  account  of a family  trust for which  Thomas U.  Barton  serves as the
trustee.

               (iv)  Joseph U.  Barton  may be deemed  the  beneficial  owner of
1,288,807  Shares.  This  number  consists  of (1)  150,000  Shares held for the
accounts of the White Rock Clients,  (2) 882,250  Shares held for the account of
White Rock  Partners,  (3) 173,457  Shares held for the account of a partnership
for which Joseph U. Barton serves as the general partner,  and (4) 83,100 Shares
held for the account of certain  family trusts for which Joseph U. Barton serves
as the trustee.

Item 4(b)      Percent of Class:

               According to information  filed by the Issuer with the Securities
and Exchange Commission on its most recent quarterly period on Form 10-Q for the
quarter  ended  September 30, 2002,  49,637,238  Shares were  outstanding  as of
October 31, 2002.

               (i) The  number of Shares of which  White  Rock  Partners  may be
deemed to be the beneficial owner constitutes  approximately  1.78% of the total
number of Shares outstanding.

               (ii) The number of Shares of which each of White Rock  Management
and  White  Rock,  Inc.  may be deemed to be the  beneficial  owner  constitutes
approximately 2.08% of the total number of Shares outstanding.

               (iii)  The  number of Shares  of which  Thomas U.  Barton  may be
deemed to be the beneficial owner constitutes  approximately  2.38% of the total
number of Shares outstanding.

               (iv) The number of Shares of which  each of Joseph U.  Barton may
be deemed to be the  beneficial  owner  constitutes  approximately  2.60% of the
total number of Shares outstanding.





                                                              Page 9 of 12 Pages


Item 4(c)      Number of shares as to which the person has:

White Rock Partners
-------------------

(i)      Sole power to vote or to direct the vote:                       977,500

(ii)     Shared power to vote or to direct the vote:                          0

(iii)    Sole power to dispose or to direct the disposition of:          977,500

(iv)     Shared power to dispose or to direct the disposition of:              0

White Rock Management
---------------------

(i)      Sole power to vote or to direct the vote:                             0

(ii)     Shared power to vote or to direct the vote:                   1,127,500

(iii)    Sole power to dispose or to direct the disposition of:                0

(iv)     Shared power to dispose or to direct the disposition of:      1,127,500

White Rock, Inc.
----------------

(i)      Sole power to vote or to direct the vote:                             0

(ii)     Shared power to vote or to direct the vote:                   1,127,500

(iii)    Sole power to dispose or to direct the disposition of:                0

(iv)     Shared power to dispose or to direct the disposition of:      1,127,500

Thomas U. Barton
----------------

(i)      Sole power to vote or to direct the vote:                       150,179

(ii)     Shared power to vote or to direct the vote:                   1,127,500

(iii)    Sole power to dispose or to direct the disposition of:          150,179

(iv)     Shared power to dispose or to direct the disposition of:      1,127,500

Joseph U. Barton
----------------

(i)      Sole power to vote or to direct the vote:                       256,557

(ii)     Shared power to vote or to direct the vote:                   1,127,500

(iii)    Sole power to dispose or to direct the disposition of:          256,557

(iv)     Shared power to dispose or to direct the disposition of:      1,127,500





                                                             Page 10 of 12 Pages


Item 5.        Ownership of Five Percent or Less of a Class:

               If this  statement  is being  filed to report the fact that as of
the date hereof the Reporting  Person has ceased to be the  beneficial  owner of
more than five percent of the Shares, check the following [X].

Item 6.        Ownership of More than Five Percent on Behalf of Another Person:

               (i) The  partners  of  White  Rock  Partners  have  the  right to
participate in the receipt of dividends  from, or proceeds from the sale of, the
Shares  held by  White  Rock  Partners  in  accordance  with  their  partnership
interests in White Rock Partners.

               (ii) The  shareholders  or  partners  of each of the  White  Rock
Clients  have the right to  participate  in the receipt of  dividends  from,  or
proceeds from the sale of, the Shares held by the  respective  White Rock Client
in accordance  with their  partnership or ownership  interests in the respective
White Rock Client.

               (iii) The partners of the  partnership for which Thomas U. Barton
serves as  general  partner  have the right to  participate  in the  receipt  of
dividends  from,  or  proceeds  from the sale of, the  securities  held for such
partnership in accordance with their  partnership  interests in the partnership.
The family trust for which  Thomas U. Barton  serves as trustee has the right to
participate in the receipt of dividends  from, or proceeds from the sale of, the
securities held for the account of such trust.

               (iv) The partners of the  partnership  for which Joseph U. Barton
serves as  general  partner  have the right to  participate  in the  receipt  of
dividends  from,  or  proceeds  from the sale of, the  securities  held for such
partnership in accordance with their  partnership  interests in the partnership.
The family trusts for which Joseph U. Barton serves as trustee have the right to
participate in the receipt of dividends  from, or proceeds from the sale of, the
securities held for the account of such trusts.

               White Rock Partners expressly disclaims  beneficial  ownership of
any Shares held for the account of the White Rock  Clients,  and the accounts of
the  partnerships and family trusts for which either Thomas U. Barton and Joseph
U. Barton  serve as general  partner and trustee,  respectively.  The White Rock
Clients  expressly  disclaim  beneficial  ownership  of any Shares  held for the
account of White Rock Partners,  and the accounts of the partnerships and family
trusts for which  either  Thomas U. Barton and Joseph U. Barton serve as general
partner and trustee, respectively. Each of White Rock Management and White Rock,
Inc.  expressly  disclaims  beneficial  ownership  of any  Shares  held  for the
accounts of the partnerships and family trusts for which either Thomas U. Barton
and Joseph U. Barton serve as general partner and trustee, respectively.  Thomas
U. Barton expressly  disclaims  beneficial  ownership of any Shares held for the
accounts of the  partnership and family trusts for which Joseph U. Barton serves
as  general  partner  and  trustee,  respectively.  Joseph U.  Barton  expressly
disclaims  beneficial  ownership  of any  Shares  held for the  accounts  of the
partnership  and  family  trust for which  Thomas U.  Barton  serves as  general
partner and trustee, respectively.


Item 7.        Identification   and   Classification  of  the  Subsidiary  Which
               Acquired the  Security  Being  Reported on by the Parent  Holding
               Company:

               This Item 7 is not applicable.

Item 8.        Identification and Classification of Members of the Group:

               This Item 8 is not applicable.





                                                             Page 11 of 12 Pages


Item 9.        Notice of Dissolution of Group:

               This Item 9 is not applicable.

Item 10.       Certification:

               By signing below each  signatory  certifies  that, to the best of
his/its knowledge and belief, the securities referred to above were not acquired
and  are  not  held  for the  purpose  of or with  the  effect  of  changing  or
influencing  the control of the Issuer of the  securities  and were not acquired
and are not  held in  connection  with or as a  participant  in any  transaction
having that purpose or effect.





                                                             Page 12 of 12 Pages


                                   SIGNATURES

               After  reasonable  inquiry  and to the best of my  knowledge  and
belief,  the  undersigned  certifies  that  the  information  set  forth in this
statement is true, complete and correct.

Date:  June 23, 2003               WHITE ROCK CAPITAL PARTNERS, L.P.

                                   By:  White Rock Capital Management, L.P.
                                        Its General Partner

                                   By:  White Rock Capital (TX), Inc.
                                        Its General Partner


                                        By:  /s/ Paula Storey
                                             -----------------------------------
                                             Paula Storey
                                             Attorney-in-Fact

Date:  June 23, 2003               WHITE ROCK CAPITAL MANAGEMENT, L.P.

                                   By:  White Rock Capital (TX), Inc.
                                        Its General Partner


                                        By:  /s/ Paula Storey
                                             -----------------------------------
                                             Paula Storey
                                             Attorney-in-Fact

Date:  June 23, 2003               WHITE ROCK CAPITAL (TX), INC.


                                   By:  /s/ Paula Storey
                                        ----------------------------------------
                                        Paula Storey
                                        Attorney-in-Fact

Date:  June 23, 2003               THOMAS U. BARTON


                                   By:  /s/ Paula Storey
                                        ----------------------------------------
                                        Paula Storey
                                        Attorney-in-Fact

Date:  June 23, 2003               JOSEPH U. BARTON


                                   By:  /s/ Paula Storey
                                        ----------------------------------------
                                        Paula Storey
                                        Attorney-in-Fact