Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
ITEM NAME: DECODER GROUP
TYPE: AN/UPA-24B
nally 70 ohms
If the pulse-train is not correctly coded, a decode pulse
Primary Power Voltage: 115v, 60 or 400
is not available for presentation unless the bracket
cyc, 1-ph
decode capability is chosen.
Bracket decoding
Space Heater Power Voltage: 115v or
produces a decode pulse from any properly timed pulse-
220v, 60 or 400 cyc, 1-ph
train, regardless of code content. The AN/UPA-24B also
Heat Dissipation: 92w max
permits the presentation of the coded or decoded IFF
Space Heater Dissipation: 300w max
signal alone, the radar signal alone, or the radar signal
mixed with either coded or decoded IFF signals. Data
INSTALLATION CONSIDERATIONS
on this Sheet reflects the following field changes: Fc 1
through 4 (AN/UPA-24).
Related Equipment
Required but not Supplied: (1) Radar
RELATION TO SIMILAR EQUIPMENT
Test Set TS-1253/UP; (1) Oscillo-
scope AN/USM-32 or AN/USM-105A; (as
reqd) Armored Cable DSGA-3; (as reqd)
None.
Armored Cable MSCA-7; (as reqd) Ar-
mored Cable MSCA-10; (as reqd) Armor-
TECHNICAL DESCRIPTION
ed Cable MSCA-24; (as reqd) Coaxial
Cable RG-12/U.
Video Input and Output Impedances: Nomi-
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENTS
QTY
OVERALL DIMENSIONS
UNIT WT.
(Inches)
(Pounds)
Decoder, Video KY-80A/UPA-24
1
9-3/4 x 17-11/32 x 19-1/32
56.75
Control, Radar Set
1
5-3/4 x 6-3/16 x 9-1/16
4.50
C-1008A/UPA-24
Technical Manual NAVSHIPS
2
1/4 x 8-1/2 x 11
94257
SHIPPING DATA
COMPONENTS
PKGS
VOLUME (CU FT)
UNIT WT.
(Pounds)
1
7.2
150
REFERENCE DATA AND LITERATURE
Technical Manuals:
NAVSHIPS 94257
NAVSHIPS 94257.32: Performance Standards Sheet.
NAVSHIPS 94257.42: Maintenance Standards Book
AN/UPA-24B: 2
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