Volume 1
MIL-HDBK- 162A
Section 3
15 December 1965
AN/SPA-23(XN- 1)
TECHNICAL DESCRIPTION
FUNCTIONAL DESCRIPTION
Pulse Repetition Rate: 60 to 3, 000 cps
Indicator Group AN/SPA-23(XN-1) is a general
Video Input No. 1:+1 to +2.5v
purpose PPI that provides a large, direct-view range and
Video Input No. 2: +1 to +2.5v
azimuth plot. The equipment may be used with any
Trigger Input: +5 to +50v
standard Navy search radar system.
Pulse Width: 10 sec max
The equipment is made simpler to operate and yet
retain its useful, reliable and stable operation by
Antenna and Trace Rotation Speed: O to 60 rpm
excluding extra features. Continuously variable sweep
Bearing Accuracy: Within 2 deg at all antenna
range, electronic range rings, position counters and
speeds
transmitters, and off-center operation from Airborne
Range Selection:
Early Warning or Dead Reckoning Analyzer are not
4, 10, 20, 40, 80, 200, and 300 mi
included in this group.
Type of Presentation: One 22-in. PPI
Operating Voltages and Power Requirements:
RELATION TO SIMILAR EQUIPMENT
115 vac, 60 cps, 1-ph, 800w
None.
INSTALLATION CONSIDERATIONS
Not available.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Range-Azimuth Indicator
1
39-1/4
29-3/4
27
512
Accessory Case
1
30-1/2
30-1/4
15-11/16
118
REFERENCE DATA AND LITERATURE
Technical Manual:
NAVSHIPS 92457(A)
AN/SPA-23(XN-1): 2
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