TB 9-6625-2083-24
Table 1. Calibration Description - Continued
Test instrument parameters
Performance specifications
Tektronix, Types 454 and 454MOD163D Continued
1000, 5 Hz
Calibrator
Voltage: 1 V 0.1 V square wave
Tektronix, Type 468
Vertical
Gain
Range:
5 mV/div to 5 V/div in a 1-2-5 sequence
Accuracy: 3%
Risetime
3.5 ns or less
4%, -4%, 4% p-p or less
Aberrations
Trace shift
1 division or less as VARVOLTS/DIV control is rotated
2 divisions or less as invert pushbutton pressed
Storage resolution
8 bits, 25 levels per divisions
Horizontal
0.02 s/div to 0.5 s/div in a 1-2-5 sequence
A sweep
Range:
0.02 s/div to 50 s/div in a 1-2-5 sequence
B sweep
Accuracy: unmag 2% mag 3%
Magnifier
Range:
X10
Registration: 0.2 division from center
Accuracy: 0.01 major dial division or within 1%
Differential time measurement
Calibrator
Range:
0.3 V
Accuracy: 1%
EQUIPMENT REQUIREMENTS
calibration procedure. This equipment is issued with Secondary Transfer Calibration
Standards Set AN/GSM-286, AN/GSM-287, or AN/GSM-705. Alternate items may be used
by the calibrating activity when the equipment listed in table 2 is not available. The items
selected must be verified to perform satisfactorily prior to use and must bear evidence of
current calibration. The equipment must meet or exceed the minimum use specifications
standard and TI.
5. Accessories Required. The accessories required for calibration are common usage
accessories, issued as indicated in paragraph 4 above, and are not listed in this calibration
procedure.
The following peculiar accessory is also required for this calibration:
Standardizer 5 to 80 pF (7916146).
