1、/F- 3q- 85 MIL-C-BLLIL 5 7779706 01170735 7 m MIL-C-81441 (AS) MI LI TARY SPEC I FI CAT I ON CONTROL, RADIO SET C-6684( *);/ASQ This specification has been approved by the Naval Air Systems Command, Department of the Navy. 15 August 1966 1. SCOPE 1.1 Scope - The equipment covered by this specificati
2、on shall provide control of the following functions when installed in the Integrated Electronic Central s AN/ASQ-88A or AN/ASQ-l9A. (1) UHF Comnunication Equipment (2) UHF Aux Receiver Equipment (3) UHF ADF Equipment (4) Comm Channel Indicator ID-l311/ASQ. Associated Equipment - This equipment shall
3、 operate with the associated equipment listed in 6.4. Design Data - No data is required by this specification (other than reports accompanying samples submitted for testing) or by applicable documents, unless specified in the contract or order 1.2 1.3 (see paragraph 6.8). 2. APPLICABLE DOCUMENTS 2.1
4、 General - The documents I ,;ted below o the issue in effect on the date of invitation for bids, form a part of this specifi- cation to the extent specified herein. FSC -5821 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.1 *1 Applicable Documents
5、 - Mi 1 i tary Mi 1 - 1-1 8309 Integrated Electronic Central AN/ASQ-l9A MIL-1-81036 Integrated Electronic Central AN/ASQ-88A MIL-C-6781 Control Panel , Aircraft Equipment, Rack or Console Mounted MI f.7 6-00 7 788C Avai labi 1 i ty of Documents (i) When requested specifications, standards, drawings
6、, and publications refer to both title and number, copies of this speci fi cation and appl icable sped f ications required by contractors in connection with specific procurement functions may be obtained upon application to the Com- manding Officer, Naval Supply Depot, Code 105, 5801 Tabor Avenue, P
7、hiladelphia, Pennsylvania, 19120, Panels , Information , Integral ly I1 luminat-ll 2,12 3, REQUIREMENTS 3.1 Preproduction - Preproduction test requirements shall be in accordance with AN/ASQ-l9A specification MIL-1-18309, 3.2 Parts and Materials - In the selection of parts and materials, fulfillment
8、 of major design objectives shall be the primed consideration. accordance with AN/ASQ-l9A specification MIL-1-18309. Design and Construction - This equipment shall conform with all applicable requirements of AN/ASQ-l9A specification MIL-1-18309 for design, construction, and workmanship, except as ot
9、herwise specified herein. In so doing, parts and materials shall be in 3.3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3.1 3.3.2 3.3.2.1 3.3.2.2 3.3.3 3.3.4 3.3.5 3.3.6 Total Weight - The total wefght of the equipment, excludfng cables, shall b
10、e a minimum consistent with good design and shall not exceed 6.0 pounds, Re1 i abi 1 i ty Operating Life - The equipment shall have total operating life of 5000 hours with reasonable servicing and replacement of parts. Parts requiring scheduled replacement shall be specified by the contractor. Relia
11、bility in Mean Time Between Failures (MTBF) - The equipment shal 1 O00 spec Exte - have a specified mean (operating) time between failu hours when tested and accepted as outlined in AN/ASQ- fi cat i on MI L-I -1 8309. na1 Connectors - The two external connectors shall be es of 9A an MS 3112E-20-41P
12、and MS 3112E-18-32PW mounted at the rear of the equi pment . Lighting Panel - The lighting panel shall confo ments of MIL-P-007788CB class l-R type V. Standard Conditions - The conditions used to es performance characteristics under standard cond m to the require- ablish normal tions and for making
13、laboratory bench tests shall be in accordance with AN/ASQ-l9A Specification MIL-1-18309 except for the following: Input Power Voltage 33 + 2, -3 V DC Service Conditions - The equipment shall operate satisfactorily under any of the environmental service conditions or reasonable combination of these c
14、onditions as specified in specification MIL-1-18309 for Class I equipment. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-IL-c-81441 (AS) 3.4 3.4, ments shall not exceed (1) DC Power 28 volts (2) DC Power 28 volts (3) DC Power 28 volts NOTE: Item (3
15、) w channeling (4) DC Power 33 volts Perf ormance 3,3.6,1 Vibration - The equipment shall operate satisfactorily when subjected to the vibration requirements of Curve I of Speci- fication MIL-E-5400. Primary Input Power Requirements - The equipment shall meet all applicable requirements of MIL-1-183
16、09, The power require- 3.3,7 the speci.f ied amounts, (panel 1 ights) ,320 amp ,110 amp (to ID-1311 Indicator) ,200 amp S 11 be .600 amp when ID-1311 (from RT1793/AS?) , 500 amp. - General - Unless otherwise specified, values set forth to estab- lish requirements for satisfactory performance apply t
17、o perfor- mance under both standard and extreme service conditions. When reduced performance under the extreme conditions is acceptable, tolerances or Values setting forth acceptable variations from the performance under the standard conditions wi 11 be specified. 364.2 3.4.2.1 UHF Communication Por
18、tion of the C-6684/ASO Frequency and Channel Selection - Manual and preset frequency selection is provided for in the range 225.00 to 399.95 mc. A preset channel solid state memory device shall be provided for channel storage that can be reset from the front of the control. Provision is made for one
19、 or more channel indicators to be used in conjunction with the equipment. Volume Control - Operation of the volume control shall provide for adjusting the amplitude of the audio signals delivered to the output circuit from the UHF Conunication equipment, 3.4.2.2 - - - -I_ 4 Provided by IHSNot for Re
20、saleNo reproduction or networking permitted without license from IHS-,-,-Functiori ContrsJ - Operation of the function selector shall permit selection of the following modes of operation on the UHF Communication equipment: (1) Transmit and receive. (2) Transmit and receive plus Guard. (3) ADF plus G
21、uard. (4) ADF. Green low level illumination of the selected pushbutton shall be provided for night time viewing. This control shall operate in conjunction with the UHF auxiliary Receiver and the UHF ADF selector controls, (See 3.5.1 e3.4). 3.4.3 3.4.3.1 UHF Auxiliary Receiver Portion of the C-6684/A
22、SQ Channel Selection - Channel selection is provided for any one of twenty available channels. Volume Control - Operation of the volume control shall provide for adjusting the amplitude of the audio signals delivered to the output circuit from the UHF Auxiliary Receiver equipment, 3.4.3.2 3.4.3.3 Fu
23、nction Control - Operatlon of the function selector control shall permit selection of the. following modes of operation on the UHF Auxiliary Receiver Equipment: (1) ADF (2) Preset or Command Channels (3) Guard. This control shall operate in conjunction with the UHF Com- munication and UHF ADF select
24、or controls. (See 3,5,1.3.4). UHF ADF Porton of the C-6684/ASQ 3,484 5 -. . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-shall pemi t selection of automatic direction finding operation. This control shall operate in conjunction with the UHF Cammun
25、- ication and UHF Auxi1iar.v Receiver selector controls. (See 3.5.1.3.4). shall permit either operator to “take control“ separately over the navigation and communication functions. dance with Specification MIL-C-6781 , and shall fulfiT1 the fol- lowing requirements. munication, UHF Auxiliary Receive
26、r, and UHF ADF equipment por- tions of the Integrated Electronic Central AN/ASQ-l9A or AN/ASQ-8A. of the 3500 frequencies available on the UHF Communication por- tion and to preset up to 18 channels on any one of these avail- able frequencies. In addition, it shall be possible to select a fixed tune
27、d guard channel. Unless otherwise specified, the equipment shall be supplied with the guard frequency set for 243.00 mc, The equipment shall also provide information For remote indication of the UHF Comnunications preset channels (1 through 18) , guard channel, and manual operation. Provisions shall
28、 be available for dual operation control of the UHF Com- munication, UHF Auxiliary Receiver, and UHF Navigation portions of the AN/ASO-lSA, It shall be possible also to select any one of twenty UHF Auxiliary Receiver channels and to select opera- tion of the UHF ADF equipment when desired. It shall
29、be possible to select manually any one Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-3443 5 9999906 0170723 2 W - l.E, SC, 2JlL 2 J .o, MIL-C-81441 (AS) 3,5.1.2 Form Factor - The equipment dimensions shall conform to the applicable requiremen
30、ts of Specification MIL-C-6781 for a Type I control panel and shall not exceed 6 3/8 inches in length and 5 inches in depth. Projecting knobs shall not exceed 1 1/4 inches from the mounting surface, Controls - The following controls shall be provided and suit- ably marked on the face of the equipmen
31、t. 3.5.1.3 3.5.1.3.1 UHF COMM - (1) Tuning Mode Selector - A three position toggle shall be provided for selecting channel, guard, or manual modes of operation. In the channel position, frequency control originates at the preset memory and the remote indicators are controlled to display the channel
32、numbe In the guard position, frequency control or guard frequency terminal board (see 3.5.1.3 indicators are positioned to display “6“. (1 through 18). ginates at the 6) and the remote n the manual position, the frequency control originates at the frequency selectors and the remote indicators displa
33、y “MI. the toggle shall operate a shutter on the COMM channel digi- tal display. The shutter will cover the display in the guard and manual mode and uncover the display in the channel mode. (2) Channel Selector - A rotary knob with a separate digital readout shall be provided for the selection of ei
34、ghteen (18) preset frequencies. (3) Frequency Selectors - Four linear actuators with a separate digital readout shall be provided for manually selecting any one of 3500 available frequencies from 225.00 mc to 399.95 mc In -.O5 mc increments. The actuators shall be In addition, .moved down for increa
35、sing numbers. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-gWl (AS) 3 (4) Channel Preset Control - A push button shall be provided for changing the frequencies set into the preset memory. When the button is actuated with the tuning mode se
36、lector in CHAN position, the frequency set on the frequency selec- tors will be inserted into the channel set on the channel selector. Actuation with the mode selector set to GUARD or*MANlJAL will cause no change. The push button shall be recessed below the surface of a surrounding guard to mini- mi
37、ze accidental operation. Volume Control - A linear actuator shall be provided for adjusting the amplitude of the audlo signals delivered to the output circuit from the UHF Communications equipment. Operation of the volume control shall cause a minimum of change in the impedance which the radio set p
38、resents to the external equipment attached to the audio output terminals. The characteristic impedance of the attenuator shall be nominally 600 ohms at any setting of the volume control. The control shall have a detented OFF position which ds- ables the COMM and AUX functions. The actuator shall hav
39、e numeralk. O .through 9 OR the face to ind2Cage relattve volume settings. The numeral O shall be centered for the OFF position and increasing numerals shall indicate increasing volume. The numerals shall not be lighted, (6) Function Selector - See 3.5.1.3.4. 3.5.1.3.2 UHF AUX REC - (1) Channel Sele
40、ctor - A rotary knob with a separate digital readout shall be provided for selection of twenty UHF Auxi 1 i ary Receiver Channels. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-BL441 5 7777706 0170723 b (2) Volume Control - A linear actuator
41、 shall be provided for adjusting the amplitude of the audio signals delivered to the output circuit from the UHF Auxiliary Receiver equip- the The nom The ind ment. Operation of change in the external equ characteri s t of the volume control sha impedance which the radio 1 cause a minimum set presen
42、ts to pment attached to the aud o output terminals. c impedance of the attenuator shall be nally 600 ohms at any setting of the volume control. actuator shall have numerals O through 9 on the face to cate relative volume settings. The numeral O shall be centered for the OFF position and increasing n
43、umbers shall indicate increasing volume. The numerals shall not be lighted. 3.501.3.3 UHF ADF - (1) Function control shall be provided as described in paragraph 3.5.I.3.4. 35.13.4 Function Selector - Four interlocked push buttons shall be provided for the selection of the following modes of operatio
44、n of the UHF Communication, UHF AuxilSary Receiver, and UHF ADF equipment: POS IT ION UHF COMM MODE AUX REC MODE 1 (left button down) T/R ADF 2 T/R + G ADF 3 ADF + G CMD 4 ADF G 3.5.1.3.5 Take Control Selectors (1) A push type “Take Control“ switch shall be provided for NAV CMD operation when dual c
45、ontrols are installed. This switch controls an external relay (or relays as necessary) to switch control functions as desired. An associated light is controlled 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-BLLILIL 58 m 9999906 0270724 - MI
46、L-C-8l.441 (AS) by the external relay (or relays) and will be illum nated on the operators panel that has control. This contro also functions as a.“give“ control if desired. shall be identification green conforming to FED-STD-3. (2) A push type “Take Control“ switch shall be provided for COMM CMD op
47、eration identical in operational characteristics to (1) above, In addition, the control shall be designed such Color of lights that the COMM frequency control output shall be disabled by switching one wire at the external relay. Disabling the fre- quency control output shall not cause the channel se
48、t capa- to be disabled. bility (see 3.5.1,3,1) 3.5.1.3.6 Controls, Internal (1) A preset channel solid The stored information ruptions, environmenta state memory device shall be provided, shall not be affected by power inter? conditions, or storage for long periods of time. Channel infomation that h
49、as been stored previously shall be erased upon selection of a new preset channel frequency. (2) A jumper terminal board shall be provided internally for setting the guard frequency. Unless otherwise specified, the guard frequency shall be set for 243.00 mc. 3.5,1,3,7 Audio Circuits - Audio load resistors of 620 ohms, 1 watt, shall be connected from each of the audio output terminals
