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Page Title:
SECTION II EQUIPMENT REQUIREMENTS |
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  SECTION II.
EQUIPMENT REQUIREMENTS
items selected must be verified to perform satisfactorily
prior to use and must bear evidence of current
equipment used in this calibration procedure. This
calibration. The equipment must meet or exceed the
equipment is issued with secondary transfer standards
minimum use specifications listed in table 2. The
calibration sets NSN 6695-00621-7877, AN/GSM-256,
accuracies listed in table 2 provide a four-to-one
and AN/GSM-259, and is to be used in performing this
accuracy ratio between the standard and test instrument.
procedure. Additional equipment is required to calibrate
this TI as indicated in table 2. This equipment is located
5. Accessories Required. The accessories listed in
at the site of the TI. To prevent unnecessary delay, have
your local calibration coordinator schedule the TI and
table 3 are issued as indicated in paragraph 4 above and
related equipment for calibration within the same time
are to be used in this calibration procedure. When
frame. Alternate items may be used by the calibrating
necessary, these items may be substituted by equivalent
activity when the equipment listed in table 2 is not
items unless specifically prohibited.
available.
The
Table 2. Minimum Specifications of Equipment Required
Item
Common Name
Minimum Use Specifications
Manufacturer, Model, and Part Number
Secondary transfer
AN/GSM-256 or AN/GSM-259
A1
VARIABLE
Range: 105 to 125 vac
General Radio, Model
General Radio, Model
TRANSFORMER
Accuracy: -+1%
W10OMT3AS3 (7910809)
W10OMT3AS3(7910809).
A2
BLACK BURST
Output: Signal consisting
Tektronix, Type 146.'
Tektronix, Type 146.1
SOURCE
of composite sync
and burst.
A3
DC VOLTMETER
Range: +15 vdc
Dana, Model 5703-S-2127
Hewlett-Packard, Model
Accuracy: +0.25 %
(7912606)
3490A w/Option 060
(6625-00-557-8305).
A4
OSCILLOSCOPE
Deflection: 1 mv/div
Tektronix, Type RM561A
Hewlett-Packard, Model
Bandwidth: DC to 30 MHz
MOD 171 (7910655-4) w/
180D (6625-00-022-8228)
Accuracy: +3%
Type 3A6 (7911441-2) and
w/1805A plug-in (6625-00-
Type 3B4 (7912040-1)
777-3083) and 1825 plug-in
(662500-022-8422).
A5
VECTORSCOPE
Tektronix, Type 520A.'
Tektronix, Type 520A.'
A6
VIDEO SIGNAL SOURCE
Tektronix, Type 149.1'
Tektronix, Type 149.'
A7
WAVEFORM MONITOR
Tektronix, Type R529.'
Tektronix, Type R529.'
Additional equipment required Available with test instrument.
1
See remote plug modification in paragraph 6.
2
Table 3 Accessories Required
Item
Common Name
Description and Part Number
Secondary transfer
AN/GSM-256 and AN/GSM-259
B1
CABLE
Cable assembly, radio frequency BNC termination, normal
(9 required)
length
Same.
B2
PROBE
X10 attenuating probe, Tektronix, Type P6006 (7911454)
Supplied with 180D
oscilloscope.
B3
TERMINATION
75-ohm BNC plug
Same.
B4
Connector
BNC "T" connector
Same.
3
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