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 T ektron i x, Inc.
"- 4 "'? 9
3
1~1
Type
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Tektronix 491 Specifications

General

Brand	Tektronix
Model	491
Category	Measuring Instruments
Language	English