Nevada Radio

InnovAntennas 14 el 100-750 LOG

100 MHz to 750 MHz Log Periodic array





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14 el 100-750 Log 14 element Log Periodic


This newly designed antenna covers 100MHz to 750MHz and is a 50 ohm direct fed directional wide band beam antenna for receiving and transmitting purposes. The antenna can be mounted vertically or horizontally and can handle up to 1KW of transmitted power.

As with all InnovAntennas products, only the highest quality materials are used including aerospace grade aluminium and marine grade (A4) stainless steel.

The 100-LOG-750 uses a twin-boom arrangement as a feed line as well as a dipole support. the feedlines are tapered in spacing to remove impedance spikes across its very wide bandwidth which are common in some badly designed LPDA's. 13mm diameter elements are used to ensure maximum gain and bandwidth is acheived along with Front to Back ratio (F/B) and a specially designed 3 element parasitic element cell has bene placed in the feedline in front of the antenna to enhance top end performance, an area where traditional Log Periodic Arrays fall short.

Often, LPDA's are designed with a 200 ohm feed point which ensures bandwidth. However, this results in the need for a 4:1 transforming balun which both reduces efficiency and limits any input power too. The 100-LOG-750 has been computer optimised to present a 50 ohm feed point to allow for direct connection to coax cable and thus, power limitations are largely removed.

100-LOG-750 Specifications:

  • Typical Gain: 7.5dBi
  • Peak Gain: 9.7dBi - @ 750MHz
  • Typical F/B: 20dB+
  • Input Power (max): 1Kw
  • Boom Length: 1290mm
  • Weight: 1.4Kilos
  • Wind Survival: 150MPH+/250KPH+

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