1、MILITARY SPECIFICATION TRANSMITTER, RADIO AN/URT-23( ) This specification is approved for use by the Space and Naval Warfare Systems Comnand, Department of the Navy, and is avaiiabie for use by all Departments and Agencies of the Departmdnt of Defense. 1. SCOPE 1.1 Scope. This specif ication covers
2、a Radio Transmitter AN/URT-23( ), hereinafter referred to as the equipment, and associated accessories. This equipment is a digitally tuned transmitter, intended for general purpose voice, continuous wave (CW), radio teletype and data comnunicat ions. The equipment operates in the 2.0 megahertz (MHz
3、) to 30.0 MHz frequency range and prcvides transmission of single sideband (SSB), selectable upper sideband (USE), lower sideband (LSB), and independent sideband (ISE), CW, amplitude modulation (AM) (compatible), single and multichannel teletypewriter (TTY), and Naval Tactical Data System (NTDS) LIN
4、K 11 signals. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specif ications and standards form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the iss
5、ue of the Department of Defense Index of Spec- if ications and Standards (DoDISS) anri supplement thereto, cited in the sol citation. SPECIFICATIONS MIL I TAR Y MIL -C -17/7 5 Cables, Radio Frequency, Flexible, Coaxial, 50 Ohms, M17/75-RG214 And M17/75-RG365 MIL -S -901 MI L-C -91 5 MI L -M - 7 7 93
6、 MIL-E- 16400 MIL-W -16878 MIL-E - 17555 MIL-F-19207 MIL-C -22954 MIL-R-23637 MIL-T-23645 MI L-C-28806 MIL-M-38510 MIL-C-39012 Shock Tests, H.I. (High-Impact) Shipboard Machinery, Equipment And Systems, Requirements For Cable And Cord, Electrical, For Shipboard Use General Specifica- tion For Meter,
7、 Time Totalizing Electronic, Interior Comnunicat ion And Navigation Equipment, Naval Ship And Shore: General Specification For Wire, Electr cal, Polytetrafluoroethylene (PTFE) Insulated, 200 Oeg C, 600 Volts, Extruded Insulation Electronic And Electrical Equipment, Accessories, And Provi- sioned Ite
8、ms (Repair Parts): Fuseholder, Extractor Post Type Blown Fuse Indicating And Non- indicating, General Specif ication For Control, Radio Set C-1138( )/UR Receiver, Radio R-1051( )/URR Transmitter T-827( )/URT Coupler Group, Antenna, AN/URA-38( ) Microcircuits, General Specification For Connectors, Co
9、axial, Radio Frequency, General Specification For Packaging Of Benef cal comnents (recomnendat ions, add it ions, delet ions) and any pertinent data which may be of use in improving this document should be addressed to: Conander, Space and Naval Warfare Systems Comnand (SPAWAR-8111), Washington, DC
10、20363-5100, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter. FSC 5820 Approved for pub1 ic release; distribut ion is un1 imited. DISTRIBUTION STATEMENT A. / THIS DOCUMENT CONTAINS 37 PAGES. - Licensed by Inf
11、ormation Handling ServicesMIL-T-2870bF 58 W 7797906 OL542b8 5 W STANDARDS MIL I TARY MIL-STD-105 MIL-STD-109 MIL-STD-167-1 MIL-STD-188-203-1 MIL-STD-454 MIL-STD-461 MIL-STO-462 MIL-STD-471 MI L-STD-781 MIL-STD-965 DoD-STD-1399, MIL-STD-1472 MIL -STD-1633 Section 300 MIL-T-Z8706F( EC) Sampling Proced
12、ures And Tables For Inspection By Attributes Quality Assurance Terms And Definitions Mechanical Vibrations Of Shipboard Equipment (Type I - Environ- mental And Type II - Internally Excited) Subsystem Design And Engineering Standards For Tactical Digital Information Link (TADIL) A Standard General Re
13、quirements For Electronic Equipment Electromagnetic Emission And Susceptibility Requirements For The Control Of Electromagnetic Interference Electromagnetic Interference Characteristics, Measurement Of Maintainability Verification/Demonstration/Evaluation Re1 iabil ity Design Qualification And Produ
14、ct ion Acceptance lests: Exponential Distribut ion Parts Control Program Interface Standard For Shipboard Systems, Electric Power, ).Iternat ing Current (Metric) Human Engineering Design Criteria For Military Systems, Equip- ment And Facilities Interface Standard For Shipboard Emission Monitor-Contr
15、ol Set, AN/SSQ-82(V) MUTE System 2.1.2 Other Government drawing. The following other Government drawing forms a part of this specification to the extent specified herein. those in effect on the date of the solicitation. Unless otherwise specified, the issues shall be DRAWING NAVAL SEA SYSTEMS COMMAN
16、D (NAVSEA) RE-B-5034110 Installation Control Drawings, Data List, For AN/URT-23( ) (Copies of specifications, standards, drawings, and other Government documents required by contractors in connection with specific acquisition functions should be obtained from the contrac- ting activity or as directe
17、d by the contracting activity.) extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted shall be those listed in the issue of the DoDISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS shall be
18、 the issue of the nongovernment documents which is current on the date of the solicitation. 2.2 Other publication. The following document forms a part of this specification to the ELECTRON IC INDUSTRIES ASSOCIATION (E IA) EIA RS-310-C-77 Racks, Panels And Associated Equipment (Request for copies sho
19、uld be addressed to Electronic Industries Association, (Nongovernment standards and other pub1 cations are normally available from the organizations 2001 Eye Street, NW, Washington, DC which prepare or which distribute the documents. through 1 ibraries or other informational services.) 20006.) These
20、 documents also may be available in or 2.2 Order of precedence. and the references cited herein or MS standards). the text of th In the event of a conflict between the text of this specification (except for associated detai 1 specif cat ions, specif cat ion sheets lis specification shall take preced
21、ence. Nothing in this specifica- tion, however, sial1 supersede appl icable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 General. The equipment shall be in accordance with MIL-E-16400, to the extent specified 2 here in. Licensed by Information Handling Serv
22、icesMIL-T-28706F 58 W 9977906 0154269 7 m a- ,. MIL-T-28706F( EC) 3.1.1 First article. When specified (see 6.2.1), the contractor shall furnish sample unit(s) for first article inspection and approval (see 4.3 and 6.3). The sample(s) shall be suitable for complete evaluation of mechanical and electr
23、ical form, design, and performance. The sanple shall be of final mechanical and electrical form, employ standard or nonstandard (when approved by the procuring activity) parts, and be completely representative of final production equipment. accordance with MIL-t-16400 , except as otherwfse specified
24、 in 3.1.2.1 through 3.1.2.7. attention shall be given to the acceptable and unacceptable materials of MIL-E-16400. 3.1.2 Parts, materials, and processes. Parts, materials, and processes shall be in Particular 3.1.2.1 Parts control. Parts to be incorporated into the equipment shall be controlled in a
25、ccordance with MIL-STD-965, Procedure I. 3.1.2.2 Prior parts approval. The equipment furnished in accordance with this specification shall employ standard parts or approved nonstandard parts. granted under earlier contracts for equipments represented by Government-furnished equipment (GFE) shall not
26、 be construed as being extended to equipment furnished in accordance with this specifica- tion. as being approved for use in equipment furnished in accordance with this specification. the selection of individual parts, unless such selection is specifically approved by the procuring activity. accorda
27、nce with the Tubes, electron paragraph of MIL-E-16400. applications corresponding to circuits of the GFE. comply with MIL-STD-454, Requirement 64 requiring MIL-M-38510, Class B devices. When deviations from these requirements are necessitated due to availability or cost consideration, hermetically-
28、sealed devices shall be screened and tested in accordance with the Other microcircuits paragraph of MIL-STD-454, Requirement 64. Nonstandard part approvals previously Nonstandard parts specified in Government-furnished drawings (DWGs) shall not be construed 3.1.2.3 Individual selection. The performa
29、nce of the equipment shall not be dependent on 3.1.2.4 Electron tubes. All electron tubes shall be selected from among approved types in Electron tubes shall be limited to 3.1.2.5 Microelectronic devices. Selection and application of microelectronic devices shall 3.1.2.6 Semiconductor devices. All s
30、emiconductor devices shall be made of sil icon. 3.1.2.7 Type BNC and Type N radio frequency (RF) connectors. Where Type BNC and Type N RF coaxial connectors are specified herein, connectors shall be selected in accordance with MIL-C-39012. 3.1.3 Production equipment. has been subjected to and passed
31、 the first article examinations and tests (see 3.1.1 and 4.3). 3.1.4 Operation requirements. Each equipment shall give reliable performance within the limits specified herein, under conditions of intermittent or continuous operation during exposure to the adverse conditions normally encountered in n
32、aval ship and shore comnunications service. Mechanical and electrical ruggedness is of paramount importance for assurance of reliable perform- ance. 3.2 E. GFE shall be as specified (see 6.4). 3.3 Interchangeability. Interchangeability requirements shall be as specified (see 6.2.1). 3.4 Composition.
33、 The equipment shall consist of one each of the equipment specified in a Production equipment shall be identical to the equipment that through g: a. Transmitter (Exciter) T-827( )/URT in accordance with MIL-T-23645 b. RF Amplifier AM-3924( )/URT c. Power. Supply PP-3916( )/UR d. Shock and Vibration
34、Mounting Assembly MT-4670( )/URT-23( ) e. f. Set of mating connectors, including cable clamps, for all receptacles for which g. Set of cables (assembled) for complete system interconnection Set of mounting brackets for stack-mounting the equipment units interconnection cables of e. are not furnished
35、 3 Licensed by Information Handling Services3-4.1 Accessories, In additron to the basic equipment specified in 3.4, the accessory items specified in a through c shall be furnished in the quantities specified (see 6.2.1): a. b. Equipment plug-in assembly extension cables (see 3.15.1.33.1 and MIL-T-23
36、645) Printed circuit board (PCBJ extender cards to permit servicing of each plug-in PC8 in the equipment, except lAlA11 and 1AlAi3 (see 3.15.1.33.2 and MIL-T-23645). with multiple keying shall be provided for use in each card cage having differentially keyed PCEs using a canmon connector Set of term
37、inal strips and jumpers for 208 volts alternating current (VAC) opera- tion (see 3.6.3) 3.4.2 Antenna Coupler Group AN/URA-38( ) . The Antenna Coupler Group AN/URA-38( ) specified herein is an associated accessory antenna tuning device for use with the AN/URT-23( ), AN/URA-38( ), as specified in MIL
38、-C-28806, is not a part of the basic AN/URT-23( ) and is provided separately. The AN/URT-23( ) shall be capable of operation with or without the AN/URA-38( ) equipment (see 3.9.2). 30.0 MHz. e shall be capable of adjustment to any frequency from 2.0000 MHz to 29.9999 MHz in 100 hertz (Hz) steps. fre
39、quencies from 2.0000 MHz to 29.9999 MHz in 100 Hz steps. amplifying inputs in the frequency range of 2.0 MHz to 30.0 MHz. ment shall be accomplished in steps of 100 Hz, where changing the setting of digital tuning knobs of the T-827( )/URT is all that is required to tune the equipment. amplifier sha
40、ll be accomplished automatically when the digital tuning knobs of the T-827( )/URT are switched. A single extender c. The 3.5 Frequency ran e. The frequency (tuning) range of the equipment shall be from 2.0 MHz to The T-827( )/URT is a digitally tuned exciter, producing The RF amplifier shall be cap
41、able of 3.5.1 Method of tuning. Frequency selection over the complete frequency range of the equip- Frequency tuning of the RF 3.5.2 Primary frequency bands. The RF amplifier shall function over the operating frequency range in nineteen frequency bands, as specified in a through c: a. Four bands of
42、0.5 MHz bandwidth from 2.0 MHz to 4.0 MHz b, Four bands of 1.0 MHz bandwidth from 4.0 MHz to 8.0 MHz c. Eleven bands of 2.0 MHz bandwidth from 8.0 MHz to 30.0 MHz The driver amplifier output circuit and the final amplifier output circuit shall be tuned in these bands. having characteristics as speci
43、fied for Type I of DoD-STD-1399, Section 300, and a5 specified here- in. power source as Specified in a and b: 36 Primary power source. The equipment shall be designed to operate from electrical power Each equipment shall be capable of operating and providing rated performance from a primary a. 440
44、VA 110 percent, 60 Hz 15 percent, 3-phase delta b. 208 VAC 110 percent, 48 Hz to 63 Hz, 3-phase wye 3.6.1 Transient protection. The equipment shall operate without damage or permanent change in characteristics due to transient voltage, transient frequency, and power interruption require- ments of th
45、e Power source variations paragraph of MIL-E-16400 and the 2500-volt (V) spike require- ment of DOD-STD-1399, Section 300. Protection shall be included against damage due to transients produced by operation of relays or tuning motors within the equipment. network shall be incorporated at the interfa
46、ce connections between 1 ine filter load terminals and the AM-3924( ) case primary power wiring. Design and location of this network shall be such that failure of protection components shall not cause damage to case wiring or preclude user repair of the protection network. The network shall include
47、resistors from each primary power line to case ground to discharge line filter or circuit capacitance when power is removed. with MIL-E-15400, except as modified herein. protected by fuses, as a minimum: A transient protection 3.6.2 Electrical overload protection. Electrical overload protect ion sha
48、ll be in accordance The circuits specified in a through f shall be a, b. 115 VAC supply line to the T-827( )/URT and C-3698( )/URA-38( ) . c. 22.5 VAC supply blower rectifier and inverter, or both d. e. 500 VDC power supply f. Each line of the alternating current (AC) power input 28 volts direct cur
49、rent (VDC) rectifier Each line of the primary power for the low voltage direct current (DC) power supplies af the AM-3924( )/URT 4 Licensed by Information Handling Services3.8 Equipment arrangement. The normal installation (stacking) arrangement for the equipment shall be as specified in a through f, starting from the bottom mounting surface: a. Shock and Vi brat ion Mounting Assembly MT-4670( )/URT-23 b. Power Supply PP-3916( )/URT c. RF Amplifier AM-3924( )/URT d. Transmitter T-827( )/URT e. Coupler Control Unit C-3698( )/URA-38( ) (accessory). If AN/URA-38( ) is used
