Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
ITEM NAME: COORDINATE DATA MONITOR
TYPE: OA-947/FST-1
Combined Line - 0.12 to 0.39v (-20 dbm plus or
information to the Coordinate Data Monitor, either
minus 5 db) on sync aplitude
comes as a combined coded signal over one pair of
External Data -
0 to -30v clamped logic
telephone lines, or as three separated coded signals
0 volts = space
respresenting data, sync, and timing signals, over three
-30 volts . mark
separate p)airs of telephone lines. The Coordinate Data
-30 volts input level will intensify cathode ray tube
Monitor can also provide signals which operate a
controlled by external data intensity controls.
Coordinate Data Recorder RO-65/FST.
Width of input pulse determines length of display
RELATION TO SIMILAR EQUIPMENT
mark on CRT Mark factor about 6 ms per in. at
normal sweep rate.
None.
INSTALLATION CONSIDERATIONS
TECHNICAL DESCRIPTION
Input Power:
105 to 115v, single ph
Siting: Dependent on the location of the prime radar
11 amp without recorder
site that is associated with the gap filler radar.
19 amp with recorder
Mounting: Floor-mounted in prime radar building.
Input Impedance:
Cabling Requirements: A 50 ft cable is used for
Separate Line - (Sync, Data and Timing) About
power connection.
The telephone lines are
10,000 ohms ea line.
connected to an input filter.
Combined Line - About 12,000 ohms
External Data - Greater than 100,000 ohms
Related Equipments: Coordinate Data Transmitting
Set AN/FST-1, and gap filler Radar Sets AN/FPS-
Input Levels:
14, AN/FPS-18.
Seperate Line - 0.5 to 1.Ov, peak to peak.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
Monitor, Coordinate Data
1
OA-947/FST-1
Cabinet, Electrical Equipment
1
CY-2227/FST-1
Control, Coordinate Data Monitor
1
CY-2250/FST-1
Power Supply PP-1420/FST-1
1
Power Supply PP-1403/FST-1
2
Power Supply PP-1665/FST-1
1
Cable Assembly, Power, Electrical
1
CX-419/U (50 ft O in.)
48-Pin Connector AN-3106A-36-1OS
1
REFERENCE DATA AND LITERATURE
TECHNICAL ORDERS:
31S1-2FST1-11 through
31S1-2FST1-16
OA-947/FST-1: 2
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