Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
ITEM NAME: INDICATOR GROUP
TYPE: AN/UPA-48
Signal Characteristics:
used in a variety of radar systems applications.
Sweep Trigger Inputs
Amplitude: 5 to 75v peak (across 75 ohms).
RELATION TO SIMILAR EQUIPMENT
Pulse Width: 0.5 to 10 usec
None.
Polarity: Positive.
Pulse Repetition Frequency (prf): 150
TECHNICAL DESCRIPTION
to 1000 pps with up to 10 pct jitter.
Power Requirements:
Video Signal Inputs
Type: 120v plus or minus 10%, 2-wire
Amplitude: 1 to 2.5v peak (across 75
single ph, 400 cps plus or minus 35 cps
ohms).
Voltage Tolerance: 2.5v (max fluctuation)
Pulse Width: Between 0.5 and 15,000 usec
Power Consumption: 800 w
Polarity: Positive.
Crest Factor: 1.4 plus or minus 10%
Azimuth Signal Inputs: 1 speed and 36
Form Factor: 1.11 plus or minus 5%
Transient Voltage Limits: Plus or minus
Range Pulse Output for Height Computation
30 pct for 3 seconds duration. Equip-
Gating:
ment may stop operating but will re-
Amplitude: 10 plus or minus 3v peak
stabilize after proper voltage is
(across 75 ohms).
reapplied.
Pulse Width: 2 plus or minus 1 usec
Functional Characteristics:
Polarity: Positive.
Range Coverage: Variable from 25 to 375 mi
Pulse Repetition Frequency (prf): 150
Azimuth Coverage: 360 deg or any sector.
to 600 pps
Range Accuracy: Plus or minus 1 pct or
Azimuth Information for Height Computation
0.5 mi, whichever is the greatest.
Gating: 1 speed and 36 speed, 400 cps
Azimuth Accuracy: Plus or minus 0.5 deg
synchro data for the cursor bearing.
Off-Centering Control: Continuously
variable up to 250 mi in any direction.
INSTALLATION CONSIDERATIONS
Displaced Cursor Control: The cursor
Siting: Sufficient space should be
origin can be located at any position
allowed for rear ventillation as well
on the display.
as adequate servicing room around all
Range Strobe Control: The range strobe
sides.
can be located at any position on the
Mounting: Portable.
cursor.
Cabling Requirements: All external inter-
Height Finder Cursor Control: For
connection cabling must be supplied by
height finding information, the cursor
the installing activity (GEP).
origin can be preset to any location
Related Equipments: The AN/UPA-4b is
within a ten mile radius.
used with but not part of AN/MPS-16,
Delayed Sweep Control: The sweep origin
AN/FPS-26, AN/UPS-1, AN/TPS-21,
can be delayed any amount between O
AN/MSQ-3. Also, AN/UPA-48 is part
and 350 miles.
of AN/TPS-22 and AN/TPS-27.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Azimuth-Elevation-Range
1
29-1/4
26
31-1/4
Indicator IP-607/UPA-48
Power Supply PP-3074/UPA-48
1
14.380
26
21-1/8
Indicator Group Case
1
46-1/4
28-1/8
36-7/16
CY-3215/UPA-48
REFERENCE DATA AND LITERATURE
TECHNICAL ORDERS:
31PI-2UPA48 Series
AN/UPA-48: 2
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