1、MIL-R-85hbq (II) 58 9777906 OL76L62 O s,- r- MIL-R-85664(AS) AMENDMENT 1 7 JULY 1987 MILITARY SPECIFICATION RECEIVER-TRANSMITTER, RADIO RT-l25OA/ARC This amendment forms a part of Military Specification MIL-R-85664(AS), dated 3 June 1985, and is approved for use within the Naval Air Systems Command,
2、 Department of the Navy and is available for use by all Depart- ments and Agencies of the Department of Defense. PAGE 1 Title: Add “and RT-l498/ARC“ PAGE 2 Specifications, Military, MIL-S-25879, second line: Delete “Fine“ and Substitute “Line“. PAGE 7 3.4, First sentence, line 2: Delete “design, con
3、struction, and workmanship“ and substitute “design and constructionIl. PAGE 11 3.4.4.1.4, line 2: Delete f1MIL-STD-810 and substitute tMIL-T-5422“. PAGE 11 3.4.4.3, line 2: Delete “Class 1“ and Substitute “Class 1/A“. PAGE 12 TABLE II, CE03/04: Add to end of sentence: “T.ransmit: Emissions up to 10
4、dB above spec limit at frequencies between 80 KHz and 210 Mz“ TABLE II, CE06, Transmit: Delete “No exceptions“ and substitute IlCompliance with paragraph 3.6.1.14.11.4“ TABLE II, RE02, Transmit: Delete “Transmit frequency up to 35dB above limit“, and substitute “Transmit frequency for reference only
5、. II FSC 5821 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. 1 of 8 Licensed by Information Handling ServicesMIL-R-85664 (1) 5A m 7779706 OL7bLh3 2 m MIL-R-85664(AS) AMENDMENT 1 TABLE II, CS02, Add: “In TR+G Receive Mode, the signal susceptib requirement may be red
6、uced by 10dB.“ TABLE II : Delete “CS04“ and substitute with 1CS04/0811. .tY TABLE II, RS03. Receive: Delete sentence in its entirety, and substitute: TABLE III , TABLE III, 3.4.8, Figure 2, Figure 3, 3.6.1.1, 1 . “Susceptibility limit reduced to 0.1 volt/meter at frequencies offset t 29MHz or of the
7、 first and second injection frequencies.Il 58MHz from harmonics PAGE 13 Power density column: Delete “20“ , ii160“, iIIOO1l and “O. 106“ and substitute: 1i10.6“ in six locations where deletions occurred. V/M (ref) column: Delete ii275“,. 775“, ii61011, and “20“ and substitute: “200“ in six locations
8、 where deletions occurred. PAGE 15 Delete second sentence and items a thru f. PAGE 16 Delete “54“ designation and remove pictorially. Delete “25.9 (1.02) REF“ dimension. Delete “63.5 (2.50) REF“ dimension. PAGE 17 Delete “54“ designation and remove pictorially. Delete “11.4 (.45) REF“ dimension. PAG
9、E 18 a. Low VHF (FM), line two: Delete “homing“. . 2 of 8 Licensed by Information Handling Servicesr I r 3.6. .2: 3.6.1.2, 3.6.1.3d TABLE V, TABLE V, 3.6.1.9, MIL-R-85664 (1) 58 m 7999706 OL76L64 LI MIL-R-85664(AS) AMENDMENT 1 PAGE 20 Add the following Cautionary Note: “CAUTIONARY NOTE ARC-182 SERIA
10、L CONTROL INTERFACE SPECIFICATION All devices connected to the serial data bus should read and decode all data information. Further, the device should decode command word information to compare-data sent versus data res- pones, to insure that no inconsistencies have occurred, either as a result of f
11、alse clock pulses, bit transitions or external interference. (I Add sentence 2: “Further definition of the serial interface is provided in MIL-C-85666. II line 1: Delete “ADF/homing mode“ and substitute “ADF mode“. In line 4: Delete “or homing“. PAGE 22 Function column: Delete “/Homing (Right)“. Del
12、ete line: “54 TPS-Bendix P/N 7037-8 Homing (left)“. Add “From +7loC to +9SoC ambient temperature, the carrier frequency shall be within + 10 parts per million (ti0 Hz per MHz) of the selected operating frequency.“ PAGE 23 3.6.1.12, line 1 : Delete “three“ and substitute iitwo“. line 7: Delete “Two R
13、F connectors“ and substitute “An RF connector“. line 8: Delete “and homing“. line 9: Delete “/homing“ line 10: Delete “and J4“. line 11 and 14: Delete “/homing“. 3.6.1.12.1, Delete from first sentence, lines 3 and 4 : “to switch between the ADF and homing antennas on the 53 antenna port“. Delete fro
14、m second sentence, line 5: “/homing“. 3.6.1.13, line 3: Second sentence following ii(dBM)“ add “are at the input terminals and“. 3 of 8 Licensed by Information Handling ServicesMIL-R-85664 (1) 58 7977706 0176165 6 W MIL-R-85664(AS) AMENDMENT 1 PAGE 25 3.6.1.13.4.1, Following last sentence: Add “From
15、 +7loC to +95OC,ambient temperature, the audio output shall be 150mW minimum.“ PAGE 28 3.6.1.13.16, line 3: Delete “8.0 KHz“ and substitute “2.4 KHz“. 3.6.1.13.17, lines 3 and 4: Delete “/homing“. PAGE 29 3.6.1.13.17.7: Delete in its entirety. 3.6.1.13.17.7.1: Delete in its entirety. 3.6.1.13.17.7.2
16、: Delete in its entirety. 3.6.1.13.17.7.3: Delete in its entirety. PAGE 30 3.6.1.13.17.7.5: Delete in its entirety. 3.6.1.13.18, line 3: Delete “/homing.“ 3.6.1.13.18.1, line 9: Delete “to over 2.75 volts by“ and substitute “by 20dB to a range of 1.5V to 4.5 VRMS“. . PAGE 33 3.6.1.14.8.2.3, line 5:
17、Following second sentenc: Add “From + 71OC to +95OC ambient temperature, the distortion shall be not greater than fourteen percent.“ 3.6.1.14.8.2.3, line 10: Following the last sentence: Add “From +7loC to +95OC ambient temperature, the demodulated audio harmonic distortion shall be not greater than
18、 sixteen percent. II PAGE 34 3.6.1.14.8.3.4, line 2: Delete ii25“ substitute 120tt. 3.6.1.14.8.4, First line after table and following “operation“: Add “,with antenna isolation of 50 dB,“. 4 of 8 Licensed by Information Handling ServicesMIL-R-56bLI (3) 58 = 7977706 0376366 i MIL-R-85664(AS) AMENDMEN
19、T 1 PAGE 34 and 35 3.6.1.14.9: Delete in its entirety. PAGE 35 3 .6.1.14.14, line 1: Delete llCASS/DICASS operationIl and substitue IiC. SS/DIC OPERATION (RT-l498/ARC only)“. Delete “radio set“ and substitute “RT-1498/ARCIt. PAGE 36 TABLE XII, 118-174 MHz, 4th harmonic: Delete “-66“, substitute “-62
20、“, 5th harmonic, delete “-66“, substitute “-55“. TABLE XII, 225-400 MHz, 4th harmonic: Delete “-66“ substitute “-55“. PAGE 39 3.6.1.18.f, Delete this subparagraph in its entirety. ss 5 of 8 Licensed by Information Handling ServicesMIL-R-85664 (1) 58 a 7777906 0376367 T MIL-R-85664(AS) AMENDMENT 1 .
21、. ,: PAGE 41 Delete Figure 4 and sdbstitute new Figure.4. . 8I.W 2 0.11 18.4220.51 c3.sm 2 .moi+ 136.4 - cs.371 I- r( 11 147.6 !5.8il r 2.64 2 ,251 221.52 3.0 (8.722 ,121 2 PC MAX REAR HOVNTIHG FIGURE 4. Electronic Equipment Mounting Base MT-4934/ARC and Radio Receiver-Transmitter RT-l250A/ARC, Outl
22、ine and Mounting Dimensions 6 of 8 c) Licensed by Information Handling Services./- MIL-R-Shbq (I) 58 W 7777706 0276168 L W MIL-R-85664(AS) AMENDMENT 1 PAGE 42 Figure 5, Top right view: Delete “170.05, (6.695)“ and substitute “172.9, (6.81 ) II. Figure 5: Delete in three places “NOTE 2“. Figure 5, Lo
23、wer right view: Delete “54“ designation and remove pictorially. PAGE 54 4.5.4.1, Third sentence: Delete in its entirety and substitute: “The equipment shall be subjected to 4 1/2 hour of random vibra- tion with equipment operating prior to the start of the temper- ature cycling and 4 1/2 hours of ra
24、ndom vibration with equipment operating between temperature cycles 6 and 13.“ t PAGE 59 and 60 TABLE XVII: Delete “VHF Homing Indicator ID-l351/A SCS-405“ Delete ttC-10320A/ARC“ and substitute “C-11628“. Delete “SA-2157A/ARC1 and substitute “SA-2498“. PAGE 62 TABLE XVIII, Pin 11: First sentence, lin
25、e 1: Delete “applique“ substitute c ont r o 1 II . TABLE XVIII, Pin 11: Add to end of Characteristics “When have quick control is not connected, Pin 41 must be HI.“ PAGE 63 TABLE XVIII, Pin 18, Characteristics: Delete in its entirety and substitute 0.0 VDC + 0.5 VDC.“ “1“ = 4.8 VDC + 0.5 VDC“. “O“ =
26、 - - TABLE XVIII, Pin 21: Delete all text and add under function heading “SPARE“ TABLE XVIII, Pin 22, Characteristics line 1: Add “(RT-l498/ARC)“. TABLE XVIII, Pin 22: Add a line 2 of data: in the Function column, Add “SPARE“ and in the characteristics column add “(RT-l25OA/ARC)“ and 1/0 column inse
27、rt tl-ll. TABLE XVIII, Pin 24: Delete all text and add under function heading “SPARE“ 7 of 8 Licensed by Information Handling ServicesMIL-R-85664(AS) AMENDMENT 1 PAGE 79 TABLE XIX, NOTE, line 5: status word will be suppressed”. Delete twill be suppressed1 and substitute “in the PREPARING ACTIVITY NAVY AS ) (PROJECT 5821 - N194 8 of 8 Licensed by Information Handling Services
