TB 9-6625-2337-35
Paragraph
Page
Video reset output .................................................
Reply signal gating ...............................................
Mixed video............................................................
M4 KIR simulator .................................................
M4 KIT simulator .................................................
Measurement.........................................................
RF section ..............................................................
Modulation.............................................................
Out main/aux.........................................................
High power in ........................................................
Final procedure .....................................................
IDENTIFICATION AND DESCRIPTION
1. Test Instrument
Identification.
This bulletin provides instructions for the
calibration of Transponder Test Set, Model AN/UPM-155. The manufacturer's manual was
used as the prime data source in compiling these instructions. The equipment being
calibrated will be referred to as the TI (test instrument) throughout this bulletin.
a. Model Variations. None.
b. Time and Technique. The time required for this calibration is approximately 16
hours, using the dc and low frequency technique.
2. Forms,
Records, and
Reports.
a.
Forms, records and
reports required for calibration personnel at all
levels are
prescribed by TB 750-25.
b. Adjustments to be reported are designated (R) at the end of the sentence in which
they appear. When adjustments are in tables, the (R) follows the designated adjustment.
Report only those adjustments made and designated with (R).
3. Calibration
Description. TI
parameters and
performance specifications which
pertain to this calibration are in table 1.
Test instrument
parameters
Performance specifications
PRF:
5 to 10000 pps
Range:
1030 MHz
Accuracy:
Xpdr mode:
1 pps
1090 MHz
100 s (10000 PRF) to 200000 s (5 PRF) 1.0 s or 0.01 percent of
INTR mode:
setting whichever is greater.