Tektronix 491 Product Modification

product
modification
050- 0692 : ()2 (' )
M21303 , M22940
BAND
11
C 11 OSCILLATOR REPLACEMENT
For TEKTRONIX® Type 491 Spectrum Analyzers
Serial Numbers B010000-B272355
I
l
O
11
Solid State Band 11 C 11 Oscillator Assembly 119-0108-01
replaces vacuum tube oscillator 119-0108-00 which is
no longer available.
Use of the new solid state oscillator necessitates
the following changes:
1) The dial tape is replaced to assure oscillator
tracking on all bands.
2) A -20 Volt Power Supply is added for use with
the new oscillator.
3) Di al coupling and osci
11
a tor mounting brackets
and hardware are replaced to accommodate the
changed dimension of the new oscillator
assembly.
©
1974 , Tekt ronix, Inc .
All Rights Reserved.
7-23-75
Supersedes 050-0692-01
TEKTRONIX, SCOPE-MOBILE and
~ are
registered trademarks of Tektron ix, Inc.
"- 4 " ' ? 9
3 1~1
Type
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