1、MIL-T-55402 66 = 777770b OL4LB44 5 -4, MI L-T-5542(EL) 25 SeDtember 197.b MILITARY SPECIFICATION TRANSMITTER GROUP, SIMULATED RADIAC, HOT SPOT OT-52( )/T This specification is approved for use by all Departmenis and Agencies of the Depart- ment of Defense. 1. SCOPE 1.1 Scope. - This specification co
2、vers the Transmitter Group, Simulated Radiac, Hot Spot OT-52/T. The Of-52 is an RF transmitter and antenna which simulates a radioactive fallout pattern with radio waves. The OT-52/T consists of the three Transmitter, Simulated Radiac, Hot Spot T-1255/T; one Case, Simulated Transmitter CY-7349/1; on
3、e Antenna Assembly AS-291 9/T and miscellaneous cables and support components. 2. APPLICABLE DOCUMENTS 2.1 Documents. - The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of the specification to the extent specified herein. SPECIFICATIO
4、NS FEDERAL PPP-B-585 PPP-6-601 PPP-6-62 1 PPP -B -636 PPP -F -320 PPP-P-291 PPP-T-45 PPP-T-76 QQ-S-781 Box, Wood, Wirebound Box, Wood, Cleated -P lywood Box, Wood, Nailed and Lock-Corner Box, Fiberboard Fiberboard, Corrugated and one Solid, Sheet Stock Container Grade and Cut Shapes Paperboard, Wrap
5、ping, Cushioning Tape, Gummed, Paper, Reinforced and Plain, for Sealing and Securing Tape, Pressure-Sensi tive Adhesive Paper, Water Resistant, for Carton Sealing Steel Strapping, Flat FSC 6665 1. .i THIS DOCUMENT CONTAINS 8 PAGES. Copyright Communications - Electronics Command Provided by IHS under
6、 license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-“-55402(EL) MI LI TARY MI L-P-116 MI L-C-3098 MI L-P-11268 MI L-M-1323 1 STANDARDS MI LI TARY MI L-STD-105 MI L-STD-129 MI L-STD-252 MI L-STD-454 MI L-STD-461 MI L-STD-462 MI L-STD-81 O DRAWINGS
7、ELECTRON ICs COMMAND DLSM-B-748195 SM-A-678029 2 Preservation, Methods of Crystal Unit, Quartz Parts, Materials and Processes Used in Electronic Communication Equipment Marking of Electronic Items Sampling Procedures and Tables for Inspection Marking for Shipment and Storage Wired Equipment, Classif
8、ication of Visual Standard General Requirements for Electronic Electromagnetic Interference Characteristics Electromagnetic Interference Characteristics, Environmental Test Methods by Attributes and Mechanical Defects Equipment Requirements for Equipment Measurement of Transmitter Group, Simulated R
9、adiac, Hot Burn-In Procedure for Transmitter, Simulated Spot OT-52/T Radiac, Hot Spot T-1255( )/T Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-55LI02 66 m 7777706 014LBLI
10、b 7 m MI L-T-55402 (E L) (Copies of specifications, standards, drawings and publications required by suppliers in connction with specific procurement functions should be obtained from the pko- curing activity or as directed by the contracting officer). 3. REQUIREMENTS 3.1 First article. -When specif
11、ied in-the contract or purchase order, the contractor shall furnish first article units in accordance with 4.3. 3.2 Construction. - The Transmitter Group, Simulated Radiac, Hot Spot OT-52/T shall be constructed in accordance with the requirements of this specification, and of Drawing DLSM-B-748195.
12、3.3 Parts, materials and processes. - In addition to any requirements of fhis specification covering parts, materials and processes, such items shall conform to MIL-P-11268, including the selection requirements therein. 3.4 Marking. - 3.4.1 General. - Marking shall conform to MIL-M-13231. 3.4.2 Seri
13、al numbers. - Each equipment shall bear a serial number in accordance with the requirements of MLL-M-13231. 3.5 parts sha 3.6 interchangeability. - Like units, assemblies, subassemblies and replaceable I conform to requirement 7 of MIL-STD-454. (See 4.6) Performance Characteristics. - 3.6.1 Transmit
14、ter, Simulated Radiac, Hot Spot T-l255/T. - 3.6.1 .l Operating frequency and stability. - The operating frequency shall be within 138 to 144 MHz and shall be crystal controlled. At variations of input voltage and power output specified in 4.1 1.1, the transmitted frequency shall not vary more than f
15、 2.5 KHz. The above criteria shall be met over the entire band utilizing avail- able Military Standard (MS) crystals selected from MI L-C-3098/60, (See 4.11 .l. 1) 3 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking perm
16、itted without license from IHS-,-,-MI L-T-55402(EL) 3.6.1.2 Power output and stability . - The transmitter shal I have a continuously variable power output . At room ambient temperature and input voltages specified in paragraph 4.11.1, the maximum power output shall be at least 225 mW but not more t
17、han 275 mW. When set on minimum power, the power output shall be less than 20 mW. (See 4.1 1.2) 3.6.1.3 Operation in different modes. - 3.6.1.3 . 1 Mode 1 . - When operating in Mode 1 the transmitter shall be capable of automatically turning on after a selectable period of time between 1/2 hour and
18、6 hours and then automatically turning off after a selectable period of operation of between 1/2 and 6 hours. Both turn on and turn off times shall be selectable in 1/2 hour increments. (See 4.11.3.1) 3.6.1.3.2 Mode 2. - When operating in Mode 2 the transmitter shall be capbble of automatically turn
19、ing on at minimum power, after a selectable period between 1/2 to 6 hours in 1/2 hour increments. Following power turn on, the power shall increase to full power in 30 minutes* The power shall then decrease to minimum power in 4 hours. At that time the transmitter shall turn off automatically. (See
20、4.1 1.3.2) 3.6.1.3.3 Continuous wave (CW) . - When operating in the CW mode the trans- mitter shall produce a CW RF signai capable of being continuously varied by the power control. When the power control is in position “O“ the output shall be less than 20 mW; in position “10“ the output shall not b
21、e greater than 250 mW rt: 10%. (See 4.1 1.3.3) 3.6.1.4 Weight. - The weight of the transmitter without batteries shall not exceed 8 pounds. (See) 3.6.1.5 Battery Life. - The transmitter shall be capable of full power output for 12 hours at O f 2.5F in the CW mode without changing batteries. The powe
22、r output shall be within 250 mW f 10% after 12 hours. (See 4.9) 3.6 .2 Antenna assembly A$-2919/T. - 3.6.2.1 Beam width, - The radiation pattern of the directional antenna shall have a beam width of not less than 20 degrees and not more than 50 degrees. (See 4.10) 3.6.3 Case, Simulated Transmitter C
23、Y-7349/T. - 3.6.3 . 1 Weight . - When loaded with al I antenna and miscellaneous components and three transmitters T-l255/T (i .e., a complete Transmitter Group OT-52/T as per DLSM-8-748195) the carrying case assembly shall not exceed 135 pounds. (See 4.8.2) 4 Copyright Communications - Electronics
24、Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI L-T-55402(E L) 3.7 Environmental. - The Transmitter T-1255/T shall meet the performance requirements specified below under any combination of these service conditions:
25、 3.7.1 Temperature. - 3.7.1.1 Low Temperature. - The transmitter shall be subjected to the low temperature extremes of O f 2.5OF operating and -60 f 2.5OF storage and shall meet the requirements of 3.6.1.2 when tested in accordance with 4.13.5.1. 3.7.1.2 High temperature. - The transmitter shall be
26、subjected to the high temperalure extremes of 125 f 2.5OF operating and 160 f 2.5OF storage and shall meet the requirements of 3.6.1.2 when tested in accordance with 4.13.5.2. 3.7.2 Electromagnetic interference (EML) characteristics. - The transmitter shall meet )he requirements of MIL-STD-461, for
27、Methods CE06 and RE02 except as modified in Table 1. (See 4.14) Table 1 Deviation from MIL-STD-461. - C E06 RE02 Key Up: X Narrowband Key Down: X n fo: Max Dev. 38 dBuV/M Other Freq: Max Dev. 12 dBuV/M Broadband: X NOTE: a. “X“ denotes compliance with limits of MIC-STD-461. b. Any deviation listed i
28、s added to the specified limit delineated in MIL-STD-461, 3.7.3 Humidity. - During and after testing as specified in 4.13.3 the transmitter shall meet t-rmance requirements of 3.6.1.2 and 3.6.1.3. 3.7.4 Dust. - After testing as specified in 4.13.4 the transmitter shall meet the _I_ performance requi
29、rements of 3.6.1.2 and 3.6.1.3. 3.715 Altitude (elevation). - The transmitter shal I meet the peformance requirements of 3.6.1.2 and 3.6.1.3 during testing as specified in 4.13.1. 3.7.6 Vibration. - The transmitter shall meet the performance requirements of 3.6.1 .l, 3.6.1.2 and 3.6.1.3 both before
30、and after testing as specified in 4.13.6. 5 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI L-T-55402(EL) 3.7.7 l.eaka.qe (immersion) . - 3.7.7.1 Immersion, transmitter. - The
31、transmitter shall show no evidence of leakage after it is tested as specified in 4.13.2.1 . 3.7.7.2 Immersion, case. - it is tested as specified in 4.13.2.2. The case shall show no evidence of leakage after 3.7.8 Salt fog. - After testing as specified in 4.13.7 the transmitter shall meet the perform
32、ance requirements of 3.6.1.2 and 3.6.1.3. 3.7.9 Fungus. - Upon completion of test, there shall be no deterioration, corrosion 0r-e in configuration that will prevent the maintenance or operation of the transmitter. (See 4.13.8) 3.8 Burn-in. - Each transmitter T-l255/T shall be capable of meeting the
33、 per- formance requirements specified herein after being subjected to the specified burn-in cycle of 4.12. 3,9 Workmanship - Each transmitter group shal I be manufactured and assembled in accordance with the requirement 9 of MIL-STD-454. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspect
34、ion, - Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requi rements as specified herein. Except as otherwise specified in the contract or order, the contractor may utilize his own facilities, facilities of a subcontra
35、ctor or any commercial laboratory acceptable to the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure that the supplies and services conform to prescribed requirements 4.2 Classificatio
36、n of inspections. - Inspections shall be classified as follows: a First article inspection. (Does not include preparation for delivery) (See 4.3) b . Inspections covered by subsidiary documents (See 4.4) c . Quality conformance inspections. 6 Copyright Communications - Electronics Command Provided b
37、y IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-55402 66 W 7797906 OL4LSO O W MI L-T-55402(EL) (1) Quality confomwnce inspection of equipment before preparation for delivery. (See 4.5) (2) Quality conformance inspection of prepara
38、tion for delivery (See 4.7) 4.3 First article. - Unless otherwise specified in the contract or purchase order, the first article inspection shall be performed by the contractor. 4.3.1 First article units. - The contractor shall furnish the number of first article units in accordance with the follbwi
39、ng: a. Four (4) each Transmitter, Simulated Radiac, Hot Spot T-l255/T. b. One (1) each Antenna Assembly AS-291 9/T. c. One (1) each Case, Simulated Transmitter CY-7349/T. 4.3.2 First article inspection. - The first article inspection shall consist of the inspections specified in Table II, and shall
40、be performed in the order specified herein. 4.3.3 First article data. - The first article test plan and test report(s) shall be as required in the contract or purchase order. Table II First article inspection. - ns to be performed on 4. Group B inspection See Table IV Inspections to be performed on
41、all units ,5. EM1 3.7.2 4.14 1 7 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Table II First article. inmection . - kont .) . I Req t Inspection Para 6. Enviromental Low temper
42、a ture High femperature Humidity Dust Al ti tude Vibration Immersion Sait fog Fungus 3.7.1.1 3.7.1.2 3 07.3 3 07.4 3.7.5 3.7.6 3.7.7 3.7.8 3.7.9 I I NOTES: Test Unit Para 1 4.13.5.1 4.13.5.2 4i13.3 4.13.4 4.13.1 4.13.6 4.13.2 2 4.13.7 4.13.8 Unit 2 Unit 3 1 Uni, 4 1 . The inspection 1 to 4, in the o
43、rder shown, shall be performed on all first article units before subjecting these units to any other inspection requirements specified in the table. 2 The implementation of inspections 5 and 6 shal I be expedited to satisfy contract delivery requirements. 3. The numbers in the unit columns in the ta
44、ble covered by 5 and 6 specify the order of inspections for the indicated unit. I 4.4 Inspections covered by subsidiary documents. - The following shall be inspected I fication, and the inspection requirement specified in the contract or purchase order. Item Where required Parts, Ma terials and proc
45、esses-genera I Marking 3 04 Wo r kmans h i p 3 03 3 09 412. -This does not relieve the contractor of his responsibility for performing any udditional inspection which is necessary to control the quality of the product and to assure compliance with al I specification requirements. Copyright Communica
46、tions - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI L-T-55402(EL) 4.5.1 Group A inspection. - Each unit on contract or purchase order shall be inspected for conformance to the inspections specified i
47、n Table 111. Discrete lots shall be formed from units that passed this inspection. Factors of lot composition not defined herein, or in the contract or purchase order, shall be in accordance with MIL-STD-105. Euch lot shall be subject to sampling inspection, utilizing the pro- cedures of MIL-STD-105
48、, using the general inspection levels, and AQLS indicated in Table 111. 4.5.1.1 Order of inspection within Group A. - Group A inspection shall be performed in the order listed-in Table 111. Inspection Visual and Mechanical Electrical Opera ti ng Frequency and Stability Power Output Stability Table 1
49、11 Group A inspection.- Requirement Test AQL Paragraph Para Maior 3.9 3.6.1.1 3.6.1.2 4.15 2 3% 4.11.1 2.5% for the 4.11.2 group Minor 4.0% *All electrical defects are maior. 4.5.2 Group B inspection. - Group B inspection shall be performed in inspection lots that have passed Group A inspection and on samples selected from units that have been subjected to and meet the Group A inspection. This inspection shall conform t
