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1、BRITISH STANDARD BS QC 221200:1997 IEC 169-8: 1978 (Incorporating Amendment No. 1: 1997) Radio-frequency connectors RF coaxial connectors with inner diameter of outer conductor 6,5 mm (0,256 in) with bayonet lock Characteristic impedance 50 ohms (Type BNC) ICS 33.120.30 Licensed Copy: London South B
2、ank University, London South Bank University, Sat Dec 09 01:44:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS QC 221200:1997 This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into
3、 effect on 15 January 1997 BSI 09-1999 The following BSI references relate to the work on this standard: Committee reference EPL/46/2 Draft announced in BSI Update October 1996 ISBN 0 580 26378 9 Committees responsible for this British Standard The preparation of this British Standard was entrusted
4、by Technical Committee EPL/46, Cables, wires and waveguides, RF connectors and accessories for communication and signalling, to Subcommittee EPL/46/2, RF connectors and waveguides, upon which the following bodies were represented: AEA Technology BEAMA Electrical Cable and Conductor Accessory Manufac
5、turers British Non-Ferrous Metals Federation British Telecommunications plc Federation of the Electronics Industry Ministry of Defence National Supervisory Inspectorate Society of Cable Television Engineers Amendments issued since publication Amd. No.DateComments 9920April 1998Indicated by a sidelin
6、e in the margin Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 01:44:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS QC 221200:1997 BSI 09-1999i Contents Page Committees responsibleInside front cover National forewordiii 1Scope1 2IEC type designation1 3Ratings
7、1 4Preferred climatic categories1 5Dimensions General purpose connectors2 6Gauges and standard test connectors5 7Survey of patterns12 8Outline dimensions14 9Schedule for type tests22 10Quality assessment procedures29 Annex A (informative) Information for interface dimensions of 75 7 characteristic i
8、mpedance connector with unspecified reflection factor44 Figure 1 Connector with pin-centre contact2 Figure 2 Details of bayonet lock2 Figure 3/4 Details of alternative coupling grooves3 Figure 5 Details of pin-centre contact3 Figure 6 Connector with socket-centre contact4 Figure 7 Details of socket-
9、centre contact4 Figure 8 Gauge for outer contact of pin connector5 Figure 9 Gauge pin for socket-centre contact6 Figure 10 Dimensions of gauge for performance test7 Figure 11 Dimensions of connector8 Figure 12 Dimensions of centre contact9 Figure 13 Dimensions of connector10 Figure 14 Dimensions of
10、centre contact11 Figure 15 Free connector (straight) with pin contact15 Figure 16 Free connector (right angle) with pin contact15 Figure 17 Free connector, coupler (straight) with socket16 Figure 18 Fixed connector (single hole rear panel mounting with entry for r.f. cable) with socket contact16 Fig
11、ure 19 Fixed connector (four-hole panel mounting with entry for r.f. cable)17 Figure 20 Fixed connector (four-hole panel mounting with solder bucket)17 Figure 21 Fixed connector (single hole front panel mounting with solder bucket) with socket contact18 Figure 22 Fixed connector (right angle, four-h
12、ole panel mounting with solder bucket) with socket contact18 Figure 23 Free adaptor with pin-pin contacts19 Figure 24 Free adaptor with socket-socket contacts19 Figure 25 Free adaptor (right angle) with pin-socket contacts20 Figure 26 T-adaptor with socket-socket-socket contacts20 Figure 27 T-adapto
13、r with socket-pin-socket contacts21 Figure 28 Fixed adaptor (single hole panel mounting, barrier sealed) with socket-socket contacts21 Figure 29 Fixed adaptor (four-hole panel mounting) with socket-socket contacts22 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 0
14、9 01:44:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS QC 221200:1997 ii BSI 09-1999 Page Figure A.1 Connector with pin centre contact44 Figure A.2 Details of bayonet lock44 Figure A.3 Details of alternative coupling grooves44 Figure A.4 Details of pin centre contact44 Figure A.5 Connector with so
15、cket centre contact46 Figure A.6 Position of coupling studs46 Figure A.7 Details of socket centre contact46 Table A.1 Dimensions for pin connector45 Table A.2 Dimensions for socket connector47 List of referencesInside back cover Licensed Copy: London South Bank University, London South Bank Universi
16、ty, Sat Dec 09 01:44:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS QC 221200:1997 BSI 09-1999iii National foreword This British Standard has been prepared by Subcommittee EPL/46/2 and is identical with IEC 169-8:1978 Radio-frequency connectors Part 8: R.F. coaxial connectors with inner diameter o
17、f outer conductor 6.5 mm (0.256 in) with bayonet lock Characteristic impedance 50 ohms (Type BNC), including Amendments 1:1996 and 2:1997, published by the International Electrotechnical Commission (IEC). IEC 169-8, also designated QC 221200, is a harmonized specification within the IEC Q system for
18、 electronic components of assessed quality. For ease of reproduction some of the text of the French version of the International Standard has been retained. References to IEC page numbers in the text should be ignored. A British Standard does not purport to include all the necessary provisions of a
19、contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred toaCorresponding British Standard IEC 68BS EN 60068 Environmental testing IEC 68-2BS
20、 EN 60068-2 Test methods IEC 68-2-1:1990BS EN 60068-2-1:1993 Tests A. Cold IEC 68-2-2:1974BS EN 60068-2-2:1993 Tests B. Dry heat BS 2011 Environmental testing Part 2.1 Tests IEC 68-2-3Part 2.1Ca:1977 Test Ca. Damp heat, steady state IEC 68-2-11Part 2.1 Ka:1982 Test Ka. Salt mist IEC 68-2-13:1983Part
21、 2.1M:1984 Test M. Low air pressure IEC 68-2-14Part 2.1N:1985 Test N. Change of temperature IEC 68-2-20Part 2.1T:1981 Test T. Soldering BS 3041 Radio-frequency connectors IEC 169-1Part 1:1977 Specification for general requirements and measuring methods BS EN 61169 Radio-frequency connectors IEC 1169
22、-1 (QC 220000) Part 1:1996 Generic specification. General requirements and measuring methods a Undated in text. Summary of pages This document comprises a front cover, an inside front cover, pages i to iv, pages 1 to 48, an inside back cover and a back cover. This standard has been updated (see copy
23、right date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 01:44:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iv blank Licensed Copy: London Sout
24、h Bank University, London South Bank University, Sat Dec 09 01:44:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS QC 221200:1997 BSI 09-19991 1 Scope This standard concerns patterns for r.f. coaxial connectors which may preferably be used with r.f. cables 96 IEC 50-3 of IEC Publication 96-2, Radio-
25、frequency Cables, Part 2: Relevant Cable Specifications. These connector patterns are for low power, quick connect/disconnect applications using a bayonet type coupling mechanism and are commonly known as Type “BNC”. 2 IEC type designation Connectors of this standard shall be designated by: a) the r
26、eference to this standard, 169-8 IEC; b) a serial number (see Clause 7); c) a letter corresponding to the climatic category (see Clause 4). Example 169-8 IEC-1A denotes a free pin connector belonging to climatic category 40/85/21 to be used with an r.f. coaxial cable 96 IEC 50-3-1/3/4. NOTEThe type
27、designation used in this standard is provisional. A final type designation is under consideration. 3 Ratings This standard specifies pin and socket connectors with bayonet lock with a nominal inner diameter of the outer conductor of 6.5 mm (0.256 in). Cable mounting connectors will function within s
28、pecification requirements with 3 mm cables up to a frequency of at least 3 GHz, and may be used at higher frequencies if a reflection coefficient greater than 0.1 can be tolerated for straight connectors and 0.13 for right angle styles. The connectors have a maximum working voltage of 500 V at sea l
29、evel (125 V at 44 mbar/20 000 m altitude). Connection to the cable may be made either by crimping or soldering, depending upon design. NOTE 1Patterns for crimping are under consideration. Certain connectors have both barrier and panel seals. NOTE 2All voltages specified in this standard are r.m.s. v
30、alues of a.c. voltages. All test voltages are a.c. voltages of 50 Hz to 60 Hz. 4 Preferred climatic categories (see IEC Publication 68: Basic Environmental Testing Procedures) CategoryDesignation lettera Temperature rangeDamp heat, steady state 40/85/21A 40 C to +85 C21 days 40/155/21B 40 C to + 155
31、 C21 days 55/155/56C 55 C to + 155 C56 days a To be included in the IEC type designation (see Clause 2). Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 01:44:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS QC 221200:1997 2 BSI 09-1999 5 Dimensions Connecteurs
32、dusage gnral 5 Dimensions General purpose connectors Les dimensions en inches sont les dimensions originales. Toutes les reprsentations non cotes sont donnes pour rfrence uniquement. Inch dimensions are original dimensions. All undimensioned pictorial configurations are for reference purposes only.
33、5.1 Connecteur mle5.1 Pin connector Figure 1 Connector with pin-centre contact (for dimensions, see table) Figure 2 Details of bayonet lock Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 01:44:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS QC 221200:1997 BSI
34、09-19993 Figure 3/4 Details of alternative coupling grooves Figure 5 Details of pin-centre contact Rf. Ref. mminch Note Min.Max.Min.Max. a9,789,910,3850,3909/diam. b3/9/diam. c4,830,1909/diam. d1,321,370,0520,0549/diam. e5,330,210 f5,280,208 g0,150,006 h0,350,014 m2,140 nom.0,0842 nom.diam. p1,44 no
35、m.0,057 nom.10 t4,574,670,1800,184 u5,380,212 v8,180,3229/diam. w3,150,124 x0,460,560,0180,022 y2,310,091 z2,310,0916 aa11,760,4636 ab10,14 nom.0,399 nom.6 ac1,140,0456/rad. ad1,963,050,0770,120 af0,640,025 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 01:44:3
36、6 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS QC 221200:1997 4 BSI 09-1999 NOTE 1Plan de rfrence mcanique et lectrique.NOTE 1Mechanical and electrical reference plane. NOTE 3Fendu et vas pour satisfaire lessai avec calibre selon le paragraphe 6.1.1. NOTE 3Slotted and flared to meet gauge test acco
37、rding to Sub-clause 6.1.1. NOTE 6On peut utiliser soit la Figure 3, soit la Figure 4.NOTE 6It is permitted to use either Figure 3 or Figure 4. NOTE 7Joint dtanchit pour satisfaire aux conditions denvironnement demandes. NOTE 7Sealing gasket to meet required electrical and environmental performance.
38、NOTE 9Les diamtres doivent tre calibrs pour sassurer que sur MMC chaque partie est ou peut tre coaxiale. NOTE 9Diameters shall be gauged to ensure that on MMC each feature is on or can take up a common axis. NOTE 10Cette dimension montre la position quand le manchon baonnette est encliquet. NOTE 10T
39、his dimension shows the position when the bayonet sleeve is locked. 5.2 Connecteur femelle5.2 Socket connector Figure 6 Connector with socket-centre contact (for dimensions, see table) Figure 7 Details of socket-centre contact Licensed Copy: London South Bank University, London South Bank University
40、, Sat Dec 09 01:44:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS QC 221200:1997 BSI 09-19995 Rf. Ref. mminch Note Min.Max.Min.Max. a9,609,700,3780,3829/diam. b8,108,150,3190,3219/diam. c4,720,1869/diam. d3/9/diam. e4,555,230,1790,206 f5,280,208 g0,150,006 h4,950,195 k8 m2,140 nom.0,0842 nom.diam.
41、 p10,520,414 r6,500,2564/diam. s8,799,040,3460,356diam. t5,185,280,2040,208 u8,318,510,3270,335 v8,318,460,3270,3339/diam. ac10,9711,070,4320,4369 ag1,912,050,0750,081diam. NOTE 1Plan de rfrence mcanique et lectrique.NOTE 1Mechanical and electric reference plane. NOTE 3Fendu et resserr pour satisfai
42、re aux prescriptions du paragraphe 6.1.2. NOTE 3Slotted and closed to meet requirements of Sub-clause 6.1.2. NOTE 4Applicable seulement lorsque lisolant dpasse le plan de rfrence. NOTE 4Applies only when dielectric extends beyond reference plane. NOTE 6Un creux entre les ergots est tolr.NOTE 6A conc
43、ave depression between studs is permissible. NOTE 8Chanfrein ou rayon.NOTE 8Chamfer or radius. NOTE 9Les diamtres doivent tre calibrs afin de sassurer que sur MMC chaque partie est ou peut tre coaxiale. NOTE 9Diameters shall be gauged to ensure that on MMC each feature is on or can take up a common
44、axis. 6 Calibres et connecteurs de rfrence6 Gauges and standard test connectors 6.1 Calibres mcaniques6.1 Mechanical gauges 6.1.1 Connecteurs avec contact central mle6.1.1 Connectors with pin centre contact 6.1.1.1 Calibre pour contact extrieur du connecteur mle 6.1.1.1 Gauge for outer contact of pi
45、n connector Figure 8 Gauge for outer contact of pin connector Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 01:44:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS QC 221200:1997 6 BSI 09-1999 Calibre A (pour calibrage) Gauge A (for sizing purposes) Calibre B (
46、pour mesure de la force de rtention du calibre pour le conducteur extrieur) Masse (poids) du calibre: 225 5 g Gauge B (for measurement of gauge retention force for outer conductor) Mass (weight) of gauge: 225 5 g Rf. Ref. mminchmmin Min.Max.Min.Max.Min.Max.Min.Max. a 9,639,680,3790,3819,639,680,3790
47、,381 b 8,088,100,3180,3198,158,180,3210,322 u8,418,460,3310,3338,368,410,3290,331 v 8,318,360,3270,3298,418,460,3310,333 s 8,79 nom.0,346 nom.8,79 nom.0,346 nom. am4 nom.0,157 nom.4 nom.0,157 nom. Matriau: acier poli; rugosit: Ra = 0,4 m (16 in) max. Material: steel, polished; surface roughness: Ra
48、= 0.4 m (16 in) max. 6.1.1.2 Squence dessai6.1.1.2 Test sequence Le calibre A doit tre plac une fois sur le contact lectrique extrieur du connecteur. Cest une opration de calibrage et il convient de leffectuer quand lisolant est retir du connecteur. Gauge A shall be placed over the outer electrical
49、contact of the connector once. This is a sizing operation and should be carried out when the insulator is removed from the connector. Le calibre B doit ensuite tre plac sur le contact extrieur en position verticale. Le calibre doit tre retenu. After this the gauge B shall be placed over the outer contact in a vertical position.