MIL-I-81453A

INTERROGATOR SET AN/APX-76B(V)

Year: 1977

Abstract: The equipment covered by this specification shall provide an Air-By-Air IFF Interrogator Responsor which, when used in conjunction with appropriate associated equipment, is capable of transmitting coded signals to suitable transponder equipped aircraft, surface ships, and ground stations. It shall receive the coded replies from these transponders, process the reply information, and provide video outputs for display on associated radar indicators.
The equipments covered by this specification shall consist of the following items: 
                                                                 Applicable            Item                Type Designation                  Paragraph  Control, Interrogator Set      C-7383/APX-76(V)                     3.5.1  Control, Interrogator Set      C-7994/APX-76A(V)                    3.5.1  Control, Interrogator Set      C-7959/APX-76A(V)                    3.5.1  Receiver-Transmitter, Radio    RT-868A/APX-76(V)                    3.5.2  Switch-Amplifier               SA-1568A/APX-76(V)                   3.5.3  Synchronizer, Electrical       SN-416A/APX-76(V)                    3.5.4  Receiver-Transmitter, Radio    RT-988/A                             3.5.5  Base, Shock Mount,             MT-3923/APX-76(V)                    3.5.6 Electrical Equipment  Base, Shock Mount,             MT-3924/APX-76(V)                    3.5.7 Electrical Equipment  Base, Shock Mount,             MT-4024/APX-76A(V)                   3.5.8 Electrical Equipment


COMMENTS OR RECOMMENDATIONS WHICH MAY BE OF USE IN IMPROVING THIS DOCUMENT MAY SENT TO THE PREPARING ACTIVITY WHEN A SELF-ADDRESSED STANDARDIZATION DOCUMENT IMPROVEMENT PROPOSAL (DD FORM 1426) APPEARS AT THE END OF THIS DOCUMENT, OR BY LETTER ADDRESSED TO THE COGNIZANT ACTIVITY.
The AN/APX-76A(V) is capable of various configurations, depending on the control used: 
            Configuration                         Equipment Items                  (V)1                   C-7383/APX-76(V), RT-868A/APX-76 (V),                                        SA-1568A/APX-76(V), SN-416A/APX-76 (V)                  (V)2                   C-7959/APX-76A(V), RT-868A/APX-76 (V),                                        SN-416A/APX-76(V)                  (V)3                   C-7994/APX-76A(V), RT-868A/APX-76(V),                                        SA-1568A/APX-76(V), SN-416A/APX-76 (V)


The interrogator set is intended to operate with the following associated equipment: 
                                                Common Name Used in               Item                              this Specification                  Appl. Para.    (1)   Interrogator Computer         KIR-1A/TSEC                             Interrogator Computer                 6.11.1    (2)   Antenna AS-1900/APQ-72         (Radar Antenna Modi-         fication Kit) or         equivalent                              Interrogator Antenna                  6.11.2    (3)   Radar Modification                              ---                           6.11.3         Kit    (4)   Radome Modification                             ---                           6.11.4         Kit


* The information contained in paragraphs 6.11.2, 6.11.3 and 6.11.4 is applicable only to the F-4B system. Detailed specifications for these requirements should be obtained from cognizant radar and antenna personnel.
Intended Use: The equipment shall provide Air-by-Air radar target identification capabilities for use in all military aircraft to carry out specific military missions.
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