Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
AN/SSQ-4
TECHNICAL DESCRIPTION
FUNCTIONAL DESCRIPTION
Operating Voltages and Power Requirements:
The AN/SSQ-4 is used to stabilize radar antennas. It
440v, 60 cps, 3-ph; 115v, 60 cps, 1-ph
determines the roll and pitch angles, and converts roll and
Servo Roll Limits: 30%
pitch to level and cross level signals. Roll, pitch, level, cross
level and deck train (deck tilt correction) signals are
Servo Pitch Limits: 12%
transmitted to other units of the stabilizing system. The set
Own-Ship Speed Synchro Input: 40 knots per rev-
has an alternate arrangement whereby it can either receive
olution for turn corrector
relative bearing and transmit deck train, or receive train and
Own-Ship Course Synchro Input: 1-speed for
transmit deck tilt correction. Input and outputs are received
and transmitted entirely by synchro signals.
Relative Bearing Synchro lnput: 1- and 36-speed
for data converter
Roll and Pitch Angle Output: 2- and 36-speed
RELATION TO SIMILAR EQUIPMENT
Level and Cross-Level Angle Output:
2- and 36-speed
Deck Train Signal Output: 1- and 36-speed
None.
INSTALLATION CONSIDERATIONS
Not available.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Stabilization Data Generator
1
42-7/8
29
24
675
PU-168/SSQ-4 including
Stabilization Data Converter
CV-73/SSQ-4
Control Panel C-526/SSQ-4
1
42
16-1/4
15-3/4
315
Electronic Control Amplifier
1
15-1/2
13
18
60
AM-254/SSQ-4
Motor-Generator PU-167/U
1
18
30
18
60
REFERENCE DATA AND LITERATURE
Technical Manual:
NAVSHIPS 91354
AN/SSQ-4: 2
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