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Digital Active Signal Collector : ウィキペディア英語版 | Digital Active Signal Collector Digital Active Signal Collector or DASC antenna is an active antenna for digital signal reception. DASC antennas are often used in DVB-T receivers. With a DASC antenna it is possible to receive DVB-T signals with a small in-house antenna or a relative small outside antenna. The amplifier, built into the antenna, receives it power supply via the coax cable between the DVB-T box and the antenna. The advantages of an active antenna compared to a passive antenna and a separate amplifier is that the (low) signal can be amplified before it is subject to loss and/or interference in the cables and connectors between antenna and amplifier. An active antenna is an antenna with an integrated signal amplifier.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Digital Active Signal Collector」の詳細全文を読む
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