TB 9-6625-2124-24
(4) Measure AM ON/OFF ratio and square wave symmetry. AM ON/OFF ratio
will be greater than 30 dB and square wave symmetry will be 40/60 percent.
(5) Press CW key and enter data 4 GHz on keyboard. Repeat (3) and (4) above.
b. Adjustments. No adjustments can be made.
Figure 5. Leveled power trace showing ALC oscillations.
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
MODELS 83592A AND 83592A OPT 002
18. Preliminary Instructions
a. The instructions outlined in paragraphs 18 and 19 are preparatory to the calibration
process. Personnel should become familiar with the applicable sections before beginning
the calibration.
b. Items of equipment used in this procedure are referenced within the text by common
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.