TB 9-6625-1967-35
Minimum use
Manufacturer and model
Common name
specifications
(part number)
ATTENUATOR
Range: 0 to 60 dB
Hewlett-Packard, Model 355D
0.025 dB
(355D)
Accuracy:
( 0.11 dB)
AUTOTRANSFORMER
Range: 105 to 125 V ac
Ridge, Model 9020A (9020A)
1%
Accuracy:
FUNCTION/ARBITRARY
Range: 200 Hz
Agilent, Model 33250A (33250A)
Amplitude: 0.3 V
Range: 0.10 to 200V dc
Fluke, Model 8840A/AF05
(AN/GSM-64D)
Accuracy: 0.1%
OSCILLOSCOPE CALIBRATOR
Time markers:
Fluke, Model 5820A-5C-GHZ
Range: .1 and 1 s
(5820A-5C-GHZ)
0.75%
Accuracy:
Voltage amplitude:
Range: -4.75 to 190 V dc
Accuracy: 0.25%
PULSE GENERATOR
LeCroy, Model 9210 (9210) w/plug-
Range: 10 to 100 s
ins, LeCroy, Models 9211 (9211)
Amplitude: 5 V, Ext Trigger
and 9215 (9215)
0.75%
Accuracy:
(MIS 45839)
CALIBRATION PROCESS FOR TIME DOMAIN REFLECTOMETER
AN/USM-437(V)1 (TEKTRONIX, TYPES 1503 AND 1503 OPTION 4)
6. Preliminary Instructions
process. Personnel should become familiar with the entire bulletin before beginning the
b. Items of equipment used in this procedure are referenced within the text by common
name as listed in table 2.
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 the manufacturer's manual for this TI.
perform the power supply check prior to making adjustments. After adjustments are made,
repeat paragraphs 8 through 13. 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.
