MIL-HDBK-162A
Volume 1
15 December 1965
Section 3
DATE: 1 July 1964
ITEM NAME: INDICATOR ADAPTER
COGNIZANT SERVICE: USN
TYPE: MX-1339/UP
FEDERAL STOCK NUMBER: F5840-665-3628
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Mfg(s) Name or Code Number: The Austin Company
no adverse effect on the remaining outputs. In addition,
there is provision for accepting range mark pulses of
positive polarity for range calibration of the remote
repeater units.
RELATION TO SIMILAR EQUIPMENT
None.
TECHNICAL DESCRIPTION
Video Input: -0.75 to -0.9v or 2 0.5v
Video Output: 5 channels individually adjustable from
0 to 5v across 75 ohms
Range Mark Input: 2v max
Bandwidth: 3 db from 60 cps to 6 mc, 1 db from 10
kc to 4 mc
Video Input Impedance: 75 ohms
Range Mark Input Impedance: 51 ohms
Trigger Input: 25 to 50v at 57 to 2,000 pps
Trigger Delay: 0 to 2.5 sec in 0.05 sec steps
Trigger Output: Approx 30v across 75 ohms for each
of 5 channels
Trigger Input Impedance: 75 ohms
Operating Voltages and Power Requirements: 115v
10%, 60 2 cps, 1-ph, 215w, 0.96 pf
FUNCTIONAL DESCRIPTION
INSTALLATION CONSIDERATIONS
The MX-1339/UP provides five remote radar PPI
Siting: Dependent upon the installation and type of
repeaters with trigger and video signals derived from any
radar equipment with which used.
standard Navy search radar set. It isolates the radar set
Mounting: Shock mounted against deck and bulk-
from the repeaters, amplifies the radar video signal, and
head.
regenerates the radar trigger pulse with an adjustable
Cabling Requirements:
time delay. There are five separate, identical video and
Related Equipment:
trigger outputs, with provisions to furnish the negative
input signal as a sixth video output. Each output is
independent of the other outputs and can be shorted with
MX-1339/UP: 1
Previous Page
