1、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C!-22766(WEP) 3. REQUIREMENTS major design objectives shall be the prime consideration. in so doing, parts and material require- ments shall be in accordance with Specification MIL-1-18309. 3.1 Part
2、s and Materials - In the selection of parts and materiais, fulfillment of 3.2 Design and Construction 3.2.1 General - This equipment shall conform with all the applicable requirements of Specification ML-1-18309 for design, construction and workmanship except in the paragraphs as modified below: min
3、imum consistent with good design and shail not exceed 7-1/8 pounds. of 2000 hours with reasonable servicing and replacement of parts. Parts requiring replacement within this interval and the life of such parts shall be specified by the manufacturer. Cables and Connectors - The external connectors sh
4、aU be one each Bendix Type PTOlE-22-56PJ PT1E-55PWJ and PTOLE-18-32P or approved equivalents mounted on pendant cables at the rear of the equipment, 3.2.2 3.2.4.2 Total Weight - The total weight of the equipment, excluding cables, shall be a Total Operating Life - The equipment shall have a minimum
5、total operating life 3.2.5.1 3.2.11 Control Panels - AU. rack or console mounted panel$ shall conform to the applicable requirements of Specification MIL-C-0781, The configuration of all control panels must be approved by the procuring activity prior to the preproduction testing. 3.3 Performance 3.3
6、.1 General - Unless otherwise specified, values set forth to establish the require- ments for satisfactory performance apply to performance under both standard and extreme service conditions. When reduced performance under the extreme conditions is acceptable, tolerances or values setting forth acce
7、ptable variations from the performance under the standard conditions will be specified. 3.3.2 3.3.2.1 UHF Communication Portion of C-3076/ASQ-19 Frequency and Channel Selection - Manual and preset frequency selection is provided for in the ranaion is made for dual remote channel indicators to be use
8、d in conjunction with this equipment. Volume Control - Operation of the volume control shall cause a minimum of change in the impedance which the radio set presents to the external equipment attached to the audio output terminals, and such impedance shall not be less than 50 ohms at any setting of t
9、he volume con t r 01, 3.3.2.2 3.3.2.3 Function Control - Operation of the function selector control shall permit selection of standby operation, selectiori. of transmission and reception on the main frequency, selection of transmission and reception on the main frequency and reception on the guard f
10、requency, selection of automatic direction finding on the main frequency and reception on the guard frequency, and selection of automatic direction finding on the main frequency. This control shall operate in conjunction with the UHF AuxFliary Receiver, and UHF ADF selector controls (see 3.4,1,3.1).
11、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-f MIL-C-22766 58 7799706 015Lb53 9 = MIL - c- 22766 NEP) 3.3.3 UHF Auxiliary Receiver Portion of C-3076/ASQ-19 3.3.3.1 Channel Selection - Channel selection of any one of the twenty (20) available chan
12、nels. 3.3.3.2 Volume Control - Operation of the volume control shall cause a minimum of change in the impedance which the receiver preseqts to the external equipment attached to the audio output terminals, and such impedance shall not be less than 50 ohms at any setting of the volume control. 3.3.3.
13、3 Function Control - Operation of the function selector control shall permit selection of standby operation, selection of automatic direction finding operation, selection of recep- tion on one of the twenty preset or command channels, and selection of reception on the guard fre- quency. This control
14、 shall operate in conjunction with the UHF Communication and UHF ADF selector controls (see 3.4.1.3.1). 3.3.4 3.3.4.1 3.3.4.2 UHF Navigation Portion of the C-3076/ASQ-19 Channel Selection - Channel selection on any one of the 126 available channels. Volume Control - Operation of the.volume control s
15、haii cause a minimum of change in the impedance which the radio set presents to the external equipment attached to the audio output terminals, and such impedance shall not be less than 50 ohms at any setting of the volume control. 3.3.4.3 Function Control - Operation of the function control shall pe
16、rmit selection of standby operation, selection of reception on the navigation channel, and selection of transmission and reception on the navigatioii channel. 3.3.5 3.3.5.1 UHF ADF Portion of the C-3076/ASQ-19 Function Control - Operation of the function selector control shall permit selection of st
17、andby operation and selection of automatic direction finding operation. This control shall operate in conjunction with the UHF Communication and UHF Auxiliary Receiver selector controls (see 3.4.1.3.1). 3.3.6 Dual Operation - Operation of the COMM CMD and NAV CMD controls shall permit either operato
18、r to “take control“ separately over the navigation and communication functions. which loads. 3.3.7 Audio Circuits - The volume controls used in the equipment shall be attenuators, for proper operation, require that the output terminal of the attenuator be connected to suitable Loads suitable for thi
19、s purpose may be contained within the equipment, but their connection to the audio circuits shall be at the discretion of the user and shall be dependent upon the over-all audio load. 3.4 Detail Requirements 3.4.1 The equipment shall be of the console type in accordance with Specification MIL-C-6781
20、, unless otherwise specified herein, and shall fulfill the following requirements. Function - The equipment shaii provide control of the UHF Communication, UHF Auxiliary Receiver, UHF Navigation, and UHF ADF equipment portions of the Integrated Electronic Central AN/ASQ-i9. It shall be possible to s
21、elect manually any one of the 1750 frequencies available on the UHF Communication portion of the AN/ASQ-19 and to preset up to 18 channels on any one of these available frequencies. Additionally, it shall be possible to select a fixed tuned guard channel. Unless otherwise specified, the equipment sh
22、all be supplied with the guard frequency set for 243. O mc. The equipment shall also provide for dual remote indication of the UHF Communications preset channels (l through 18), guard channel and manual operation. Provisions shall be available for dual 3.4.1.1 3 I Provided by IHSNot for ResaleNo rep
23、roduction or networking permitted without license from IHS-,-,-operation of the UHF Communication, UHF Auxiliary Receiver, and UHF Navigation portions of the AN/ASQ-l9, It shall be possible also to select any one of the twenty (20) UHF Auxiliary Receiver channels and to select operation of the UHF A
24、DF equipment when desired, Complete function and channel selection of the UHF Navigation shall be provided also, Form Factor - The dimensions of the Centrai Control C-3076/ASQ-19 shaU conform to the applicable requirements of Specification MIL-C-6781 for a Type I control panel and shall not exceed 8
25、-5/8 inches in length and 5-5/8 inches in depth. Projecting knobs shall not exceed 1-1/4 inches from the mounting surface. 3.4.1.2 . 3.4.1.3 Controls, Panel Mounted - The following controls shall be located and suitably marked on the front panel. 3.4.1.3.1 UHF COMM, UHF AUX REC (1) Three (3) control
26、s (COMM FREQ MC) for manually selecting any one of the 1750 available frequencies on the UHF COMM. (2) A twenty (20) position rotary switch-type control (COMM CHAN) for selecting any one of 18 predetermined frequencies on the UHF COMM, or the guard frequency, or a manual channel on which any of the
27、1750 available frequencies can be selected, Also an indication of the UHF Communication preset channels (1 through 18), manual or guard-frequency display for two remote indicators. (3) A rotary volume control (COMM VOL) for adjusting the amplitude of the audio signals delivered to the output circuit
28、 by the UHF COMM. (4) A five (5) position rotary-type switch for selecting the mode of operation as follows: POSITlON UHF COMM AUXILIARY RECEIVER 1 STBY STBY 2 T/R ADF 3 T/Rt G ADF 4 ADF+ G CMD 5 ADF GRD (5) A twenty (20) position rotary switch-type control (AUXCHAN) for selecting any one of the 20
29、UHF AUMLIARY RECEIVER channels. (6) A rotary volume control (AUX VOL) for adjusting the amplitude of the audio signals delivered to the output circuit by the UHF AUMLIARY RECEIVER, 3,4,1,3.2 UHF NAV (1) Two (2) controls (NAV CHAN) for manually selecting any one of the 126 NAV channels, (2) A rotary
30、volume. control (NAV VOL) for adjusting the amplitude of the audio signals delivered to the output circuit by the NAV. (3) A three (3) position rotary switch for selecting the- mode of operation as follows: Positionone-STBY; position two - REC operation on channel selected by (1) above; position thr
31、ee - T/R operation on channel selected by (1) above. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.4.1.3.3 SPECIAL 1 (1) A push-type “Take Control“ switch for COMM CMD operation when dual controls are installed. This switch controls an external
32、 relay (or relays as necessary) to switch control functions as desired. An integral light in the push button is controlled by the external relay (or relays) and will be illumi- nated on the operators panel that has control. This control also functions as a ?Givef1 control if desired. Color of push b
33、utton shall he identification green conforming to FED-STD-3. (2) A push-type “Take Control“ switch for NAV CMD operation identical in operational characteristics to (1) above. (3) Emergency power (EMER POWER) indicator light to give warning when main power failure has occurred and equipment is opera
34、ting on emergency power. Color of indicator light shall be identification yellow conforming to FED-STDu I provided at the rear of the unit which will enable the operator to readily change preset frequencies. I nector, where they may be individually grounded at the option of the user. - COMM VOL AUX
35、VOL NAV VOL 620 ohms 1 watt 620 ohms 1 watt* 1200 ohms 1 watt 4. QUALITY ASSURANCE PROVISIONS 4.1 General - Equipments shall be subjected to the test requirements of Specification MIL-1-18309 to determine compliance with all applicable requirements except in the paragraphs as I 4.4.2.1(3) Manufactur
36、ing reliability test specified in 4.4.1.3, except that the test shall consist of 200 operations of each control with no restrictions on the number of failures. However, each failure shali be analyzed as to cause and remedial action necessary to reduce the possibility of its recurrence in future equi
37、pment. the AUX Receiver, NAV Coarse and NAV Fine channel selectors. 5. PREPARATION FOR DELIVERY 5.1 General - PreDaration for delivers shall be in accordance with Specification Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-6. NOTES 6.1 Use - This e
38、quipment is mainly intended to be used to provide control of the Test Values - Normal and limiting values of performance data shall be deter- communication and nsgation functions of the Integrated Electronic Central AN/ASQ-19. mined at input voltages of 27.5 k O. 5 volt d-c. These data are to be use
39、d in testing the equipment at installation points for compliance with minimum acceptable standards of performance. applicable subsidiary specifications are in conflict, the following precedence shall apply. 6.2 8.3 Precedence - When the requirements of the contract, this specification, or (i) Contra
40、ct - The contract shall have precedence over any specification, (2) Centrai Specification - Integrated Electronic Central AN/ASQ-19 Specification (3) - This Specification - This specification shaii have precedence over all precedence over this specification, applicable subsidiary specifications, Any
41、 deviation from this specification, or from subsidiary specifications where applicable, shaii be approved in writing by the procuring activity. (4) Referenced Specifications - Any referenced specification shall have prece- dence overxaWaEspecifications referenced therein. All referenced - specificat
42、ions shall apply to the extent specified, The parentheses (*), when used in the type designation, shall be replaced by either a number or letter furnished by the procuring activity upon application by the contractor for assignment of nomenclature in accordance with 3.2.10 of Specification MIL-1-1830
43、9. The complete type number shall be used on nameplates, shipping records and instruction books, as applicable, 6.4 PATENT NOTICE - When Government drawings, specifications, or other data are used for- any pur- pose other than in connection with a definitely related Government p-ocurement operation,
44、 the United States Government thereby incurs no responsibility nor any obligation whatsoever; and the fact that the Government may have formulated, furnished, or in any way supplied the said drawings, specifi- cations, or other data is not to be regarded by implication or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufacture, use or sell any patented invention that may in .any way be related thereto. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
