• Home
  • Download PDF
  • Order CD-ROM
  • Order in Print
Frequency Accuracy - Continued
Frequency Accuracy - Continued

Calibration Procedure For Spectrum Analyzer An/Usm-489(V)1 (Type 492 W/Options 01, 02, 03, 08, And 21) Page Navigation
  17    18    19    20    21  22  23    24    25    26    27  
img
. . . .
TB 9-6625-2134-24
Figure 9. 2d LO Tuning Adjustment - Bottom View.
(131) Using a 5/16 inch open-end wrench and a 5/16 inch Allen wrench, loosen lock
nut and adjust fine TUNING SLUG (fig. 9) in cavity for a reading of 2182.0 MHz.
(132) Tighten lock nut and recheck reading on frequency counter.  If frequency
counter does not indicate between 2181 and 2183 MHz, repeat technique of (128) through
(131) above.
(133) Disconnect frequency counter from TI.
(134) Push POWER switch to off.
(135) Remove center frequency control board (fig. 10) and reinstall, using service kit
extender board.
Figure 10. Center Frequency Control - Adjustment Locations.
(136) Pull POWER switch to on.
(137) Position controls as listed in (a) through (e) below:
22


Privacy Statement
Press Release
Contact

© Copyright Integrated Publishing, Inc.. All Rights Reserved.