Rules for the Technical Engineering of Cable Radio and Television Systems Article 17
Frequency spectrum characteristics of the analog television channel of the system at the subscriber terminal shall conform to the following stipulations:1. Video carrier level difference between adjacent television channels shall not be greater than 3 dB2. Video carrier level difference within any 90 MHz frequency in the system shall not be greater than 8 dB.3. Any audio carrier level of the television signal within the system shall be 13-17 dB lower than the video carrier level.4. Frequency response flatness of each television channel in the distribution network shall be within ±1 dB
中文原文 有線廣播電視系統工程技術管理辦法第17條
系統在訂戶終端點之類比電視頻道頻譜特性應符合下列各款之規定:
一、相鄰電視頻道間之影像載波位準差值不得大於3dB。
二、系統內任何90MHz頻段內,影像載波位準差值不得大於8dB。
三、系統內任何電視信號聲音載波位準應比影像載波位準低13dB到17dB。
四、分配線網路每一電視頻道之頻率響應平坦度應在正負1dB以內。
一、相鄰電視頻道間之影像載波位準差值不得大於3dB。
二、系統內任何90MHz頻段內,影像載波位準差值不得大於8dB。
三、系統內任何電視信號聲音載波位準應比影像載波位準低13dB到17dB。
四、分配線網路每一電視頻道之頻率響應平坦度應在正負1dB以內。