1、MIL-I-B693 5B 9999906 034q69 7 .:i.: . . . . . . _ . -.- _ . _I. . *-_ .-. I.- .-_.-._. I . I . . . :. The power required shall not exceed the specified-amopnts, . ; , . .- .- 4 I 1. r.:.: * . . I. . L . L. -.-.-. , . , . . I . ? . L ,. , . .I . . . . . . . . t . . , . . - - . t:.-. . F“. .;.:;.:;:
2、. i. i . i f.:I: . . . . I - . , . ?: : : . .- . YI: . .,: i e: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-1-8673 58 m “1949986 0148473 9 m / . AC .Power (dingle Phase) . . . - . . _- . -. .I . MIL-1-8693 (Aer 1 .:i: .: - . (a) US Voit Const
3、ant Frequency Operating Voltage Limits 110 to 120 volts Ope rating Frequency Limits 380 to 420 cps Reduced Performance Voltage Limits . 102 to 110 and 120 to 124 volts Reduced ferformance Frequency Limits 360 to 380 and . 420 to 440 cps Power (i) 40 V.AI DC Power 28 Volts System Operating Voltage Li
4、mits 24 to 29 volts Power 0.1 ampa 3.2.9 Under Voltage Protection - The equipment shall not be damaged by voltages below the minimum specified and shall automatically resume normal operation when the voltage returns within limits Moisture and Fungus Resistance Treatment - Equipments shall be fungus
5、proofed by selection of parts and materials as non-nutrient for fungus or the parts and materials shall be treated prior to their use in the equipment so that over-all spraying of the equipment is not necessary. Over-all spraying of the equipment in accordance with JAN-T-152 shall be mede in the eve
6、nt selection of parts and materials described above is not possible. plate approval for equipment identification shall be in accordance Witt? the require- ments of Specification MIL-N-18307. fled in Specif%ca-all be extended to require interchangeability of Linits and-component parts of this equipme
7、nt with the latest model of any pre- viously produced equipments. Such interchangeability shall be measured against a model, manufacturing drawings, or other technical information as provided by the Bureau of Aeronautics for that purpose. conflict with the reqpiremnts for interchangeability the inte
8、rchangeability requirements shall govern. 3.2.10 3.2.11 Nomenclature and Nam Plates - Nomenclature assignment and name 3.2.12 .Interchangeability - The interchangeability requirements as speci- In the event that requarements of MIL-E-E. k:.:.7.r:.z. :. .:; ,. . . . . ,._ . , . -.-. 1 . . c:.:.:z:z=-
9、 . t- - I I: . . C .:.l:. . . , . . . , ,.e . . p . . t- _._ . .- . -. c . . . . . _ . . .% -. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-I-673 58 M 777770b 0348474 O m .- MIL-I-8693(Aer) 3.2.15.2 Re la to the Jndicator coup bearin measuri-n
10、g res Coarse Bearing Dial - When the FXNE bearing dial is set the zero corresponding to zero degrees of bearing the COARSE bearing dial shall read zero. to ive and Magnetic Bearing Output Accurac - The bearing nput er shall be represented by a test signa applied to the lver. Bearing output informati
11、on shall not deviate from the . bearing input by-more than lo, with the differential synchro transmitter zeroed at leoo 3.2.15.3 Fundamental Synchro Resolver Accuracy - The output of the Funda- mental Synchro Resolver shall be withinf0.75“ of bearing input represented by a position test signal appli
12、ed to the bearing measuring resolver. The hhdamental Synchro Resolver shall be zeroed at 300 and be readily adjustable over the range h30. . Harmonic Bearing Resolver - The outpuf of the Harmonio Bearing Resolver. (if supplied) shall be within 0.1 (one speed) of the beartng input as represented by a
13、 position test signal applied to the bearing measuring resolver, 3.2.15.4 3.2.15.5 Indicated Distance Accuracy - Distance information as indicated on the C.OARSE and FINE Distance. Indicator dials shall fall within the following limits : (I) With the FINE distance dial set to 1a.05 miles the distanc
14、e measuring resolver shall be zeroed as a phase shifter at :$ . 4044 cps (2) Coarse Distance Dial - When the FINE distance dial is set =he zero corresponding to zero miles the COARSE distance dial shall read zero. . 3.2.15.6 Distance Take-off Accuracy - The output resistance of the .unloaded take-.o
15、ff -Dotentdometers shall be rmooortional to the distance measured to within _._._ iO.3$ of haximum resistance from Lera to 194 nautical miles with minimum output resistance occurring at -2.OID.05 miles. This test shall Se referenced to a position tes% sign81 applied to the distance measuring resolve
16、r. 3.2.15.7“ Distance Synchro Transmitter Output Accuracy - The distance input to the Indicator Coupler shall be represented by a position test signal applied , to the distance measiiring resolver. Synchro transmitter output accuracy shall be checked by use of a test circuit connected to the UNITS d
17、istancd synchro trans- mitter. The difference between input and output information shall not exceed i .O5 miles. 3.2.15.8 Sensitivx - The sensitivity of-both the bearing and the distance mechanisms shall be such that with the application of 18 volts, 400 cps, to the . . fixed phase of either motor,
18、and the rate generator phase 1 excited with 18 volts, 400 cps, the application of 2 volts, 400 cps leading or lagging 90, to the control phase of that same motor will cause the motor to start with the indicator.dials . . in any position and continue to rotate smoothly. 3.2.15.9 Indicator Speed - Wit
19、h 18 volts, 400 cps applied to both phases af either motor, and the race generator phase 1 excited with 18 volts, 400 cps, and with the voltage across the control phase either leading or lagging the volt- age across the fixed phase by 90 that motor shall drive its corresponding indl- cator either ba
20、ckward or forward at the following rate: (1) Bearing Mechanism 27.5Oper second f 15%. (2) Distance Mechanism 11.5 miles per second i15k. 6 . . . . . . . I_. t:=.: c:-.:1.“:1“.: , . . . . . . - -._ . ._ -.-.-.-. . _.,_. . .-.- -. I . I-.- .-.-.-.-*.-.-. . -*.- . . I -,.- . . . . _- . . - . . , . . .
21、. . t I L i, I I ) .- - . LI- . L .-. . _ . , . c . . F._ . _._. .- . ,_._. . ., ,. , -. * . - . . . “._ . . . . , . -.- . . . . . -.e- . - _- .- - . -.-I . - . - -.-.-.I . .-. - - . . . . t t: L I . . . . . II .- _A .-.- .-C. I_ .- .-.-. .- a -. I.C.- *.- I - .- -.-. .-. .-. - . .-.- . -_ - . -. .a
22、- . . . -. . . ,.-_. .- .-.- -.- . -.-.-. ,-.- .- C._ . I .- , .- . -.- 1- . . b . . - . . - . , . . . . . . 1: . . . . . . . . . y: . * Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. - _- - * . r. 5 YIL-I-8693(Aer) 3.2.15.10 Course Deviation Sens
23、itivit - With three standard deviation indi- cator loads (1000 ohms each , the coursdation output Circuit shall be adjust- able to a maximum senaitiviiy of at least 5O eourse error equal to a full scale deviation indication of 150 microamperes per indicator (10 degrees totai course - . width. pin to
24、 pin). 3.2.15.11 To-From Circuit - The To-From circuit shall be capable of supply- - . ing the ambiguity indicator on $he ID-249/ARI with direct current of either polar- lty and a magnitude 6f 250i250 microamperes. by relative phase of 400cps signal input to To-From circuit. Polarity Qf current to b
25、e determined 3.3 Detail Design Requirements . 3.3.1 . Indicator Coupler CU-395/ARN-21A - The unit shall be desighed to meet the f ollowlng requirements : 3.3.Ll .Fiction - Indicator Coupler otatikodth appmately85$ of the total resistance within fhe brush circle shall be designed to determine the pha
26、se difference between two 15 cps signals for measuring bearing in conjunction with the bearing measuring resolver. specified performance with 15 volts, 15 cps applied to the card continuously. The bearing measuring potentiometer shall be electrically and mechanically interchange- able with Gamewell
27、Type 68815-1 or an approved equivalent. The rate generator shall be designed to operate with 18 volts $-lo$, Each motor-rate generator shall ohms , angu ar accuracy *.6, amplitude accuracy The bearing measuring potentiometer shall be .designed to maintain 3.3.1.3.3 Bearing luieasurinp: Resolver, 1 A
28、 precision resolver shall be de- designed to determine the phase diff erence between two 135 CDS sicmals for measur- ing bearng in conjunction- with the bearing measwing potentiometer, measuring resolver shall be designed to maintain specified performance with 0.7 volt, 135 cps.applied to the rotor
29、cohtinuously. The resolver shall be electri- -cally and mechanically interchangeable with Bureau of Ordnance Type llR16N2. Differential Synchro Transmitter - A synchro transmitter of the . differential control type rated at 11.8 volts per phase, 400 cycles per second shall be designed :to produce a
30、signal with a space phase equal to the space phase difference between the compass heading signal and the RT-220/ARN-21 bearing signal. The synchro transmitter shall be electrically and mechanically interchangeable with Bureau of Ordnance Type 26V-llCDX-4A. The-bearing 3.3.1.3.4 3.3.1.3.5 Fundamental
31、 Synchro Resolver - A synchro resolver rated at 26 volts. 400 cyclesy rotor and a two-Dhase stator shall . - be designed to. produce an output directli related to the bear 12 volts and 4.9 volts at 400 cycles per second for supplying input voltage to the differentidl synchro transmitter in the magne
32、tic bearing indicator and the hundreds dial synchro receiver of ID-388/ARN; 5 volts (center tapped and islolated) at 400 cycles per second for phase detector biasing, and 6.3 volts at 400 cycles per second for filament excitation, select the proper circuits tg cause Oose Indicator ID-250/ARN to depi
33、ct either relative Qr magnetic bearing of the navigational beacon from the aircraft. external connections to the equipment, The connectors shall mate with plugs con- forming to Air-Force-Navy Aeronautical Drawing AND 10435. external connectors shall be in accordance with the following: 3.3.1.3.13 Re
34、lative-Ma netic Rela - A 28 volts DC relay shall be designed to 3.3.1.3.14 Connectors - Two 47 pin connectors shall be designed to provide all 8.3.1.1.16 Connector Arranement - The arrangement of pin functions of the Pin - Input Connector 5-201 Function H I J K M N O P R s T U V w X Y z No connectio
35、n, No connection. No connection Bearing measuring resolver rotor blaak. No connection. No connection, Bearing measuring resolver stator black. No connection. Bearing measuring resolver stator red. Bearing measuring resolver stator yellow. No connection. No connection. Na conne c t ion. Bearing measu
36、ring resolver rotor red. Bearing measuring resolver stator blue. Distance measuring potentiometerseries resistance. Distance measuring resolver stator yellow. Compass Input. Distance measuring resolver stator black. Distance measuring resolver stator red. Distance measuring resolver stator blue. No
37、connection. Compass Input. Distance motor-generator com.on. Distance measuring resolver rotor red. Distance measuring resolver rotor yellow. Bearing measuring potentiometr input IF“. Bearing motor - Phase #2, Distance motor - Phase #l. Distance measuring resolver rotor common. Bearing measuring pote
38、ntiometer output flI1. Bearing measuring potentiometer output IGf1. Distance motor - Phase #2. Distance rate generator - Phase #l. Bearing motor generator common. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-m n P r S t u V Y X z Y Pin - Function
39、Fundamental resolver stator blue. Fundamental resolver stator yellow. Deviation sensitivity control jumper. Fundamental resolver stator black. Units distance transmitter stator Sg“. NO. 1 distance take-off potentiometer ItT2!. Fundamental resolver stator red. No. 2 distance take-off potentiometer “V
40、i“. Fundamental resolver rotor red. Fundamental resolver rotor yellow. Relative/magnetic control. Deviation sensitivity control jumpsr. Relative;/magnetic output. 115 volts 400 cps input, Fundamental resolver rotor common black. TenSlaisSanv transmitter stator “S1lt. No. 1 distance-%alq-off potentio
41、meter “T tl. Relative/magnetic output, Tens distance transmitty stator “S3, Differential stator “S . No. 2 distance take-of? potentiometer tT211. Different ia1 stat or “S lt1. No. 2 distance take-off potentiometer ttT1l. Deviation sensitivity control arm. 27,5 volts DC output. Indicator common. Hund
42、reds synchro stator It. Hundreds synchro stator tSiii. 6 volts, 400 cps. Deviation input. No connection. Ground. Search/track signal, No. 1 distance take-off potentiometer iVtl. No connection. No connection. Units distance transmitter stator tlS1ll. To-From input. 1 A B C D E F G H I J K L M N O P R
43、 S T U V w x Y Z j k m. n P Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL- 1-8693 (Aer ) Output Connector 5-202 - Pin . Function 26.0 volts, 400 cps fundamental resolvelr excitation. No connection. Deviation output. To-From output. No connectio
44、n. Hundreds synchro excitation, No connection. B4 output at 20 ma. Hundreds synchro excitation. 3.3.8 -7 Mountinp Base MT-1530/ARN-21A 3.3.2.1 3.5.2.2 Function - Mounting base MT-1530/ARN-2lA shall provide a means of mounting Indicatr CoUphP CU-395/ARN-21A to Lhe airframe or radio equipment rack. Fo
45、rm Factor and rdountdn ed a8 a formed 8 eet meta p ate to mozt four all metal vibration isolators. Maximum dimensions shallhb48-1/8lin0hee-7-5/16 inches long and 1-5/8 inohes high, as - Mounting Baee MT-1530/ARN-2lA shall be design ahom h FiPAPe a. 4 . QUALITY ASSURANCE PROVISIONS 4.1 Classification
46、 of Tests - The testing and inspection of aircraft elec- tronic equipgent-shall be classif led as follows : men . min aPP thc ia) (1) Preproduction Tests - Preproduction tests are those tests conduct- ed on samples which are representative of the production equip- ng that the equipment meets all the
47、 requirements of the icable specifications, Preproduction tests shall consist of following two tests : to be supplied under the contract, for the purpose* of deter- Contractor Demonstration Tests - Contractor Demonstration bsts are accomplished under the responsibility of the con- tractor on a sample, representative of the production equip- ment, todemonstrate that the equipment complies with all the applcable requiramnta. Service Approval Tests - Service Approval Tests are accom- plished under the responsibility of the procuring service on a sample which is representative of th
