Text preview for : 7L5 cal.pdf part of Tektronix 7L5 cal Tektronix 7L5 7L5 cal.pdf
Back to : 7L5 cal.pdf | Home
*TB 9-6625-2005-35
SUPERSEDED COPY DATED 24 APRIL 1981
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE FOR
SPECTRUM ANALYZER
TEKTRONIX, TYPE 7L5 (PL-1391/U)
W/PLUG-IN L1 AND L3
Headquarters, Department of the Army, Washington, DC
16 June 1988
Approved for public release; distribution is unlimited.
REPORTING OF ERRORS
You can help improve this publication by calling attention to errors and by recommending improvements
and stating your reasons for the recommendations. Your letter or DA Form 2028, Recommended
Changes to Publications, should be mailed directly to Commander, U.S. Army TMDE Support Group,
ATTN: AMXTM-LPP, Redstone Arsenal, AL 35898-5400. A reply will be furnished directly to you.
Paragraph Page
SECTION I. IDENTIFICATION AND DESCRIPTION
Test instrument identification ........................................................... 1 2
Forms, records, and reports............................................................. 2 2
Calibration description..................................................................... 3 2
II. EQUIPMENT REQUIREMENTS
Equipment required......................................................................... 4 3
Accessories required....................................................................... 5 3
III. CALIBRATION PROCESS
Preliminary instructions ................................................................... 6 5
Equipment setup............................................................................. 7 6
Readout verification (L3 plug-in only)................................................ 8 7
Calibrator frequency and amplitude.................................................. 9 7
Sweep triggering............................................................................. 10 10
Dot frequency range and accuracy................................................... 11 11
Display dynamic range .................................................................... 12 13
Display flatness .............................................................................. 13 16
Frequency span accuracy and linearity............................................. 14 18
Reference level accuracy (for L3 plug-in only)................................... 15 19
Sweep rate accuracy....................................................................... 16 21
Displayed frequency stability ........................................................... 17 22
Final procedure............................................................................... 18 23
*This bulletin supersedes TB 9-6625-2005-35, 24 April 1981, including all changes.
1
TB 9-6625-2005-35
SECTION I
IDENTIFICATION AND DESCRIPTION
1. Test Instrument Identification. This bulletin 2. Forms, Records, and Reports
provides instructions for the calibration of Spectrum
Analyzer, Tektronix, Type 7L5 (PL-1391/U) w/Plug-in L1 a. Forms, records, and reports required for
and L3. The manufacturer's manual was used as the calibration personnel at all levels are prescribed by TB
prime data source in compiling these instructions. The 750-25.
equipment being calibrated will be referred to as the TI
(test instrument) throughout this bulletin. b. Adjustments to be reported are
designated (R) at the end of the sentence in which they
a. Model Variations. None. appear. When adjustments are in tables, the (R) follows
the designated adjustment. Report only those
b. Time and Technique. The time required adjustments made and designated with (R).
for this calibration is approximately 6 hours, using the
dc and low frequency technique. 3. Calibration Description. TI parameters and
performance specifications which pertain to this
calibration are listed in table 1.
Table 1. Calibration Description
Test instrument Performance
parameters specifications
Calibrator Frequency range: 500 kHz