什么电视天线最好用？Rabbit Ear!

来源: wooddiy 于 2010-03-18 12:01:59 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (570 bytes)

Do you wast money on fancy HDTV antennas: they are not that useful anyway. My solution is very simple: a Rabbit ear one (which is free) plus a good antenna amplifier. You can get a Moto one for $60 or so. The benefit is, that kind of amp usually come with split inside. So you can distribute your TV signal through out house. You will need splitter anyway! Gain is ~20dB-3xSplits. For example a 1:4 split will reduce 12dB to 8dB or so. A single amp from China will cost $5 for 30dB gain. :) 20miles from stations, all my signals are at full strength and not directional.

所有跟帖： 

• 看在哪里，有人在远郊用架到几十米高的大天线也没戏，在电视 -6sa7- ♂ 给 6sa7 发送悄悄话 6sa7 的博客首页 (48 bytes) () 03/18/2010 postreply 12:14:12

• haha, agree. So the amp gain is important. -wooddiy- ♂ 给 wooddiy 发送悄悄话 wooddiy 的博客首页 (0 bytes) () 03/18/2010 postreply 12:43:48

• 如果信号太弱，放大器只能放大噪音，没有用的。 -冬心- ♂ 给 冬心 发送悄悄话 (0 bytes) () 03/18/2010 postreply 14:29:49

• 现在都是数字信号，去噪音是很容易的。 -千里一盏灯- ♂ 给 千里一盏灯 发送悄悄话 千里一盏灯 的博客首页 (0 bytes) () 03/18/2010 postreply 18:22:01

• RF 信号和数字信号是不同的，不满足一定的SNR, TV就没法工作。 -冬心- ♂ 给 冬心 发送悄悄话 (0 bytes) () 03/18/2010 postreply 19:37:27

• 几十年前，电视超视距接受曾经是很时髦的活动。 -千里一盏灯- ♂ 给 千里一盏灯 发送悄悄话 千里一盏灯 的博客首页 (54 bytes) () 03/18/2010 postreply 18:25:28

• 八木天线好啊， -wooddiy- ♂ 给 wooddiy 发送悄悄话 wooddiy 的博客首页 (586 bytes) () 03/18/2010 postreply 21:21:27

• pls , name of the $5 amp and where to get it ? -gulala- ♀ 给 gulala 发送悄悄话 (44 bytes) () 03/18/2010 postreply 22:49:03

• 回复：pls , name of the $5 amp and where to get it ? -wooddiy- ♂ 给 wooddiy 发送悄悄话 wooddiy 的博客首页 (0 bytes) () 03/19/2010 postreply 08:02:49

• on-line -wooddiy- ♂ 给 wooddiy 发送悄悄话 wooddiy 的博客首页 (384 bytes) () 03/19/2010 postreply 08:08:36

• thx, the motorola one is costly for a simple amp -gulala- ♀ 给 gulala 发送悄悄话 (0 bytes) () 03/19/2010 postreply 18:30:41

请您先登陆，再发跟帖！