Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
ITEM NAME: RADAR IDENTIFICATION SET
TYPE: AN/MPX-7A
Receiver Bandwidth: Broadband, b - 11 mc
Provisions are incorporated to differentiate between
(minus 6 db); Narrowband, 5 mc (minus 70 db).
actual Mark X IFF response, decoded response, and IM
Frequency (if.): 60 mc
99 response.
Image Ratio: More than 70 db
Input Impedance: 52 ohms
RELATION TO SIMILAR EQUIPMENT
Video Output Impedance: 72 ohms
AN/MPX-7A is similar to and one way interchangeable
with AN/MPX-7. Differs in that Coder-Decoder Group OA-
INSTALLATION CONSIDERATIONS
1267/MPX-7A replaces Code Coordination KY-54 and Switch
Box SA-239/GPX.
Siting: Physically located on the same site as Close
Support Control Set AN/MSQ-1A.
TECHNICAL DESCRIPTION
Frequency: Transmitting, 990 - 10-10 mc
Mounting:
All equipment is mounted In Truck V-
Receiving, 1080 - 1130 mc
126/MPX-7 except for Coder-Decoder C-273B/GPX
Peak Power Output: 1.5 kw
which is mounted on the Console of the Associated
Operating Voltages and Power Requirements:
Close Support Radar Set.
105, 117 or 125v ac, 60 cps, single ph,
250 w (obtained from associated radar
Related Equipments:
Close Support Control Radar
set).
AN/MSQ-1A.
Type of Presentation: PPI of associated
close Support Radar Set.
Pulse Repetition Rate: 125 - 1500 pps
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Radar Recognition Set
1
11
15
21
77
AN/UPX-6*
Coder-Decoder Group
1
OA-1267/MPX-7A
Control Power Supply
1
11-1/1
20-1/8
23-1/8
80
C-1728/MPX-7*
Power Supply PP-1353/MPX-7*
1
5-3/1
7
12
10
Antenna Assembly AS-295A or
1
13-1/2
9
222
101
AS ->95B/IP*
Antenna Pedestal AB-433/MPX-7*
1
17
20-1/2
24
127
Antenna Support AB-434/MPX-7*
1
8-5/8
8
127-7/8
17
Telephone EE-8*
1
Electrical Equipment Pack
1
53-5/8
44-1/4
32-1/4
331
MT-1607/MPX-7*
Case CY-1861/MPX-7*
2
14
14
10
20
Interconnecting Box J-711/MPX-7*
1
4
10
17-1/2
15
Truck V-126/MPX-7/EMPTY*
1
89-3/1
80-1/2
1841-3/4
7600
* Government furnished equipment.
REFERENCE DATA AND LITERATURE
TECHNICAL ORDERS:
31P4-2MPX7- Series
AN/MPX-7A: 2
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