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sklademVydáno: 2008-06-30
BS EN 60728-4:2008
Cable networks for television signals, sound signals and interactive services Passive wideband equipment for coaxial cable networks
Formát
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Cena a měna
Anglicky Zabezpečené PDF
K okamžitému stažení
7998 Kč
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Skladem
7998 Kč
Označení normy: | BS EN 60728-4:2008 |
Počet stran: | 38 |
Vydáno: | 2008-06-30 |
ISBN: | 978 0 580 56972 2 |
Status: | Standard |
Popis
BS EN 60728-4:2008
This standard BS EN 60728-4:2008 Cable networks for television signals, sound signals and interactive services is classified in these ICS categories:
- 33.170 Television and radio broadcasting
- 33.060.40 Cabled distribution systems
- covers the frequency range 5 MHz to 3 000 MHz;
- identifies performance requirements for certain parameters;
- lays down data publication requirements for certain parameters;
- stipulates methods of measurements;
- introduces minimum requirements defining quality grades. This third edition cancels and replaces the second edition published in 2000, of which it constitutes a technical revision. It includes the following significant technical changes: Subclause 3.1 includes several new or modified definitions. Clause 4 includes added test methods for attenuation, isolation, through-loss, group delay variation, amplitude frequency response and two carrier intermodulation measurements for second- and third-order products. Clause 5 includes updated and new performance requirements.