EN 60933-5-1993 en Audio Video and Audiovisual Systems Interconnections and Matching Values Part 5 Y C Connector for Video Systems - Electrical Matching Values and Description of t.pdf

1、W 3404583 00b0700 450 EN 60933-5 March 1993 EUROPEAN STANDARD NORME EUROPENNE EUROPAISCHE NORM UDC 621.316.541 : 621.397.43 Descriptors: Television system, colour video system, video signal, transferring, interface, connector, requirements English version Audio, video and audiovisual systems Interco

2、nnections and matching values Part 5 : Y/C connector for video systems - Electrical matching values and description of the connector (IEC 933-5 : 1992) Systmes audio, vido et audiovisuels - Interconnexions et valeurs dadaptation Partie 5 : Connecteur Y/C pour les systmes vido - Valeurs dadaptation l

3、ectrique et description du connecteur (CE1 933-5 : 1992) Steckverbinders Audio-, Video- und audiovisuelle Anlagen - Verbindung und Anpassungswerte %il 5 : Y/C-Steckverbinder fr Videosysteme - Elektrische Anpassungswerte und Beschreibung des (IEC 933-5 1992) This European Standard was approved by CEN

4、ELEC on 1993-03-09. CENELEC members are bound to comply with the CENXENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standar

5、ds may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notifi

6、ed to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and

7、United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels O 1993 Copyright reserved to CENELEC members Ref. No. EN 60933-5 :

8、 1993 E m 3404583 OObOOL 397 m Page 2 EN 60933-5 : 1993 Foreword The text of document 84(C0)131, as prepared by IEC Technical Committee No. 84, Equipment and systems in the field of audio, video and audiovisual engineering, was submitted to the IEC-CENELEC parallel vote in November 1991. The referen

9、ce document was approved by CENELEC as EN 60933-5 on 9 March 1993. The following dates were fixed : - latest date of publication of an identical national standard (dop) 1994-03-01 - latest date of withdrawal of conflicting national standards (dow) 1994-03-01 For products which have complied with the

10、 relevant national standard before 1994-03-01, as shown by the manufacturer or by a certification body, this previous standard may continue to apply for production until 1999-03-01. m 3404583 O060702 223 page 3 EN 60933-5 : 1993 AUDIO, VIDEO AND AUDIOVISUAL SYSTEMS - INTERCONNECTIONS AND MATCHING VA

11、LUES Part 5: Y/C connector for video systems - Electrical matching values and description of the connector 1 Scope This International Standard applies to the transfer of video signals between two pieces of equipment in an NTSC, PAL or SECAM high-resolution colour video system, in the form of a Y-sig

12、nal, consisting of luminance + blanking + sync, and a C-signal, the same as the modulated chrominance signal of the composite video signal. It specifies the signal levels and impedances at the interface and the type of connector to be used. 2 Normative reference The following normative document cont

13、ains provisions which, through reference in this text, constitutes provisions of this International Standard. At the time of publication, the edition indicated was valid. All normative documents are subject to revision, and parties to agreements based on this International Standard are encouraged to

14、 investigate the possibility of applying the most recent edition of the normative document indicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. CCIR Report 624-3, 1986: Characteristics of television systems - Recommendations and reports of the CCIR,

15、1986, Vol. XI-1 . 3 Requlrernents 3.1 Contact designation The contact designation is given in figure 1. The contact numbers are given as seen on the mating face of the pin connector. 3.2 The application and designation of the contacts shall be as given in table 1. m 3q04583 O060703 LbT m Page 4 EN 6

16、0933-5 : 1993 Table 1 Contact number 1 2 3 4 5 NOTES Contact designation Return for Y signal Return for C signal Y input or output signal C input signal C output signal Screen of plug Screen of socket Matching values - Input or output voltge: 1 .O V f 3 dB (PAUSECAMINTSC) PP - Rated input impedance:

17、 75 R - Input voltage: standard chrominance level i 3 dB (PAUSECAMiNTSC) for 1 .O Vpp of Y input signal level (see CCIR Report 624-3) - Rated input impedance: 75 R - Output voltage: standard chrominance level f 3 dB (PAUSECAMINTSC) for 1.0 Vpp of Y output signal level (see CCIR Report 624-3) - Rated

18、 output impedance: 75 R No connection or connected to cable screen Screen not to be connected to Y or C return No connection or connected to chassis Screen not to be connected to Y or C return 1 2 ForPAL a) The time coincidence of the Y and C signals shall be measured using a standard colour bar sig

19、nal at the transition of green and magenta, where the C signal makes a zero crossing. See figure 2. b) The C signal shall be time coincident with the Y signal within 100 ns. This shall be measured at the output of the source equipment. c) The amplitude of the green and magenta chroma signals shall b

20、e equal within 10 %. The synchronization polarity shall be negative. 3.3 Electrical and mechanical requirements of the connector The electrical and mechanical requirements shall be in accordance with a future IEC standard (under consideration). 3404583 0060704 OTb 9 Page 5 EN 60933-5 : 1993 IEC I1cX

21、b92 Figure 1 - Contact designation + 0.44 - 0.44 ITy-Tc1400 ns 75 % PAL colour bar at greedmagenta transition Figure 2 - Chrominance-luminance time coincidence H 3909583 0060705 T32 H Page 6 EN 60933-5 : 1993 Annex A (informative) Type of connector (A future IEC standard for the connector is under c

22、onsideration by SC 488) The connector is of the circular type with four contacts. Figures A.l and A.2 show the plug and socket respectively. Equipment is provided with a socket with female contacts and connecting cables are provided with a plug with male contacts at each end. Dimensions in millimetres Figure A.l - Plug I M- I IEC 116-2 Dimensions in millimetres Figure A.2 - Socket