1、I - - -= c .I u;-0-2356( OS) -2 1E Eeztezber i971 Super sed- AMENDMENT 1 28 October 190 MILITARY SPECIFICATION OILJ;OGRARiS, GW SPECIFTCATION FOR This amendment forms a part of Mlitary Specification ML-o-OC(OS) of 2 December 1969 and has been approved by the Naval Ordnance Systems Command, De- partm
2、ent of the Navy. Wherever they appear in specificatiom delete “cycles per second“ and Il cps“ and substitute Iertz and “Hz“ respectively. Page l, under “FEDERAL“ Add the following: I- “1;-F-335 Pih, Phctographic, Roll, Sheet, and Pack; Black and White“. Page 2, under MILITARY: Delete “MIL-V-173“ and
3、 associated title. Page 3, under “SPANIARDS“: Delete “MIL-STD-“, “MIL-scD-“, aa “MIL-SCD-4-63 and their titles. . Pages 3 and 4: Delete “IWVORD Dwg 1155698,“ “NAVORD Dwg 1626711,“ “NAVOFD Dwg 1647947,“ “AVORD Dwg 1848909,“ and “NAVORD Dwg 2436240“ and associated titles. Page 8, paragraph 3.4.1: Dele
4、te “electrolytic capacitors shall not be used“ and sbsti-bute “electrolytic capacitors shall not be used unless they are the tantalm typi!“. Page 10, paragraph 3.4.7: Delete “shall be in accordance with“ and sub- stitute “shall perform in accordance with“. Page u, paragraph 3.4.13. “3.4.13 Conducted
5、 and radiated interference. The conducted snd radiated interference shall not exceed the limits specified in 3.4.13.1 asd 3.4.13.2 when tested as specified in 4.4.8. Delete and dctitute: Il 3.4.13.1 Conducted interference. The maximum indicated microvolt peak allowed shall be loo0 microvolts at i5 k
6、iloHertz (a), decreasing linearly to 100 microvolts (IIIELX) at 50 “z, then decreasing linearly from 100 microvolts (EU) at 50 MEZ to 30 microvolts (m) at 150 kHz, when plotted on log-log paper. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Il 3.4.
7、13.2 Radiated interference . The maximum indicated microvolt peak shal be 20 microvolts from i5 kHz to 60 kIIz, then decreasing linearly from 20 m3crovolts (max) at 60 kHz to 2.7 microvolts (m) at 150 kHz, when plotted on log-log paper.“ . : Page 14, paragraph 4.3.1: In line 2 delete “in accordance
8、with 3.2.1“ and substitute “in accordance with 3.2.2“. Pages 18 and 19, paragraphs 4.4.8, 4.4.8.1, 4.4.8.2, and 4.4.8.3. Delete and substitute: “4.4.8 Conducted and radiated interference, The oscillograph shall meet the requirements of 3.4.13 when tested as follows: : II 4.4.8.1 Anibient interferenc
9、e level. It is desirable that the auibient interference level during testing be at least 6 db below the Uowable specified interference limits. Hawever, if the levels of ankient inter- ference plus test item interference are not above the specified limit, such tested item shall be considered in accor
10、dance with the requirements of this specification. I *_ i “4.4.8.2 Calibration. The standmd calibration signal shall be the rms voltage of an unmodulated sine wave. The field intensity measuring instrument SU be calibrated using a standmd signal generator and in accordance with the procedures given
11、in the instruction manual of the interference meter. Thetime interval between calibration checks s.baU. never exceed 6 months. Recalibration of the field intensity =ter and the standard signai generator she I( 4.5 . 3 . I2 . 1) . Page 21, paragraph 4.5.3.15: Delete “2700 ohms“ axid subditute “at lea
12、st 2700 ohms“. Fuo- page 27, aid new Figures 3 and 4, attached. Prepasling Activity Navy - OS Project mo. 1355-N276 3 r ._ . -. . . I - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4 (24.1 UF .i*- 1KOEMS 2 wms f 25K OMS 20 wms 1 OHM 250 WATPS t COIL nAu: . i L = 57 MICROHENRYS AT 15 KHZ 2. 26 TURNS NO. 6 SEWD wsRE,”EAvy INSULATED. 3 PLASPIC FORM 6 INCHES OUTER DIAMEX. ME;cpAt ENCLOSURE DIMENSIONS: 17 1/2 INCE$ X 9 INCHES X 9 iNCHES. ! Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
