TB 9-6625-2211-24
CALIBRATION PROCESS
6. Preliminary Instructions
a. The instructions outlined in paragraphs 6 and 7 are preparatory to the calibration
process. Personnel should become familiar with the entire bulletin before beginning the
calibration.
b. Items of equipment used in this procedure are referenced within the text by common
name as listed in tables 2 and 3.
Table 3. Accessories Required
Common name
Description
(official nomenclature)
(part number)
ATTENUATOR
5X Tektronix, Type 011-0060-02 (011-0060-02)
MIXER, RF
Range: 1075 to 1105 MHz (7916985)
PROBE
X10 passive, Tektronix, Type P6006 (P6006)
RF CABLE
N plug to BNC plug (45413-139528) (part of TI)
SIGNAL GENERATOR No. 2
SierraCom, Model 2710 (MIS-10255)
SEMICONDUCTOR DEVICE
Hewlett-Packard, Model 423AOPT03 (423AOPT03)
(COAXIAL CRYSTAL DETECTOR)
TERMINATION1
75: (45413-134646-1) Part of TI
TERMINATION
93: (4513-134646-2) Part of TI
VIDEO CABLE2
BNC plug to BNC plug (45413-139527) Part of TI
1Two
required.
2Four
required.
c. Unless otherwise specified, verify the result of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Adjustments required to calibrate the TI are included in this procedure. Additional
maintenance information is contained in TM 11-6625-2610-40 for this TI.
d. When indications specified in paragraphs 8 through 22 are not within tolerance,
perform the power supply check prior to making adjustments. After adjustments are made,
repeat paragraphs 8 through 22. Do not perform power supply check if all other
parameters are within tolerance.
e. Unless otherwise specified, all controls and control settings refer to the TI.
7. Equipment Setup
HIGH VOLTAGE is used or exposed during the performance of
this calibration.
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUT(S) to minimum after each step within the
performance check where applicable.
