Log Periodic Antenna

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許多人努力賺錢就是希望能夠存錢買下一間屬於自己的房子，但房子地段、生活機能等同樣也是相當重要的環節。一名網友近日發文表示，之前花了三百多萬在中部買了一間老公寓自住，但身邊的朋友卻勸她賣掉換新的，讓她忍不住發文詢問其他網友意見，貼文一出引發熱議。

原PO在Dcard發文表示，2009年花了300多萬元買了一間中部老公寓，目前是自住為主，預計2年後就能還清貸款，並列出該間房子的優缺點，「房子舊歸舊，狀況還算不錯，地點也佳，全台停電永遠沒這區的事，附近可以一路從幼兒園念到大學畢業沒問題」。

不過，原PO表示，身邊的仲介朋友一直勸她說賣了換新的，但探聽後發現鄰居才賣四百多萬就感到猶豫，「這裡租人價格大概可以開到1.6w吧，畢竟基本家用電器都齊全。只是這樣我就得回家蹭爸媽的房了。」好奇詢問網友能否給予建議。

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The log-periodic antenna as known as LPDA is a wideband directional antenna that provides gain and directivity combined over a wide band of frequencies.
Both Log-Periodic Antennas and Yagi antennas are high gain directional antennas. The main difference between these antennas is that Log-Periodic Antennas support wider frequency bandwidths and are physically much larger than Yagi antennas.
The log-periodic dipole array typical VSWR is 2:1 and operates over a much wider bandwidth and will have a lower gain for an equivalent number of elements.
In terms of its specification, a typical log periodic antenna might provide between 3 and 6 dB gain over dipole for a bandwidth of 2:1 while retaining a VSWR level of better than 1.3:1. With this level of performance, it is ideal for many applications, although a log-periodic antenna will be much larger than a Yagi of an equivalent gain.

EMC/EMI pre-compliance test antenna.
Very high gain over the full frequency range.
 Meets latest EMC standards up to 7GHz.
Suitable even for immunity measurements

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