MIL-HDBK-162A
Volume 1
15 December 1965
Section 2
ITEM NAME: RADAR SET
TYPE: AN/APS-45, AN/APS-45A
Radio Frequency Constants
Transmitter Pulse Width: 1.8 plus or minus
Transmitting Frequency: 9375 plus or
0.1 usec at 50% peak amplitude
minus 55 mc, QK172 magnetron
Receiver Data
Receiving Frequency: 9375 plus or minus
Sensitivity: Not less than 100 dbm
55 mc
Intermediate Freq Center Frequency:
Local Oscillator Frequency: 30 mc above
30 plus or minus 0.5 mc; afc provided.
transmitted freq
Radio Frequency Power Output: 356w min
or minus 0.3 mc between half power points
Operating Power Requirements: 115/200v
Intermediate Frequency Gain: Continuously
ac, 320 to 1OOO cps, 3300 va max, 110/
var, over a range of 65 to 70 db
120v line to neutral, 3-ph; 115v ac,
Video Output: plus 2.5 plus or minus
380 to 420 cps, 3-ph, 560 va
0.5v
Recovery Time: Less than 18 usec
Pressurizing
INSTALLATION CONSIDERATIQNS
Waveguide: 45 plus or minus 2 lbs per
Related Equipment
sq in., absolute
Required but not Supplied: (1) Primary
Transmitter Radar T-311/APS-45: 15 plus
Power Supply 115/200v, 320 to 1000
or minus 2 lbs per sq in., absolute
cycles, (1) Primary Power Supply 115/
Trigger and Synchronizing Pulses
200v, 380 to 420 cycles, (1) Primary
Trigger Pulse: 450 plus or minus 1 pps
Power Supply 27.5v dc, 1200w, (1) Com-
Trigger Output: 450 (actually 449.33)
puter Assy 131/APA-57B, (1) Radio Con-
pps at an amplitude of 57 plus or
trol Box C-628/ARC-27, (1) ICS Control
minus 10% volts, peak
Box, (1) Magnetron Blower (1) Set of
Trigger to Magnetron: Neg 33 kva, 1.8
Cables and Connectors as required.
usec
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENTS
QTY
OVERALL DIMENSIONS
UNIT WT.
AN/APS
(Inches)
(Pounds)
45 45A
Antenna AS-556/APS-45
1
48-1/2 dia x 114
370
Antenna AS-809/APS-45A
1
48-1/2 dia x 114 lg
344
Amplifier Audio Frequency
1
4-61/64 x 6-3/16 x 10-1/4
8.4
AM-551/APS-45
Amplifier Electronic Control
1
1
3-3/8 x 6-1/2 x 7-5/8
2.2
AM-552/APS-45
Gyroscope CN-148/APS-45
1
9-3/4 dia x 12-27/64 lg
9.75
Gyroscope CN-149/APS-45
1
3-3/8 x 4-3/16 x 4-11/16
3.1
Console OA-295/APS-45
1
32 x 48-3/4 x 58-1/8
825
Console OA-295A/APS-45
1
32 x 48-3/4 x 58-1/8
833
Control Indicator
1
1
20 x 23-1/2 x 29
146
C-908/APS-45
Radar Receiver R-426/APS-45
1
7 x 9-5/8 x 12
7.3
Radar Receiver R-743/APS-45A
1
7 x 9-5/8 x 12
7.2
Power Supply PP-705/APS-45
1
1
8-1/8 x 15-1/2 x 16
27
Radar Transmitter
1
1
23-3/4 x 29-3/8 x 35-1/2
320
T-311/APS-45
AN/APS-45: 3
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