CX 4m series Installation Manual
Contents
1. TYPICAL W R RESPONSE TYPICAL W R RESPONSE S W R Model CX 4 68 File F 02 013 S W R Model CX 4 73 File F 02 012 3 0 3 0 28 PZ 28 2 2 6 2 6 2 4 2 4 2 2 2 2 2 0 2 0 18 18 1 6 1 6 1 4 1 4 1 2 1 2 1 0 1 0 67 68 69 71 75 73 74 25 f MHz f MHz TYPICAL S W R RESPONSE TYPICAL S W R RESPONSE S W R Model CX 4 78 File F 02 011 S W R Moda CX 4 83 File F 02 010 3 0 3 0 28 Z 28 PZ 2 6 26 24 2 4 2 2 22 2 0 2 0 1 8 1 8 1 6 1 6 1 4 1 4 1 2 1 2 1 0 1 0 76 5 78 LMH 81 5 83 NA MOUNTING INSTRUCTIONS a y mom Na N OT A asks l i ip Correct mounting on mast ct j 1 i i Eo ir i i i H Lx Wrong mounting on mast a i _ _ 1 HARDWARE PARTS LIST Descriptions M6x160 U bolts M6 Flat washer Qty n 2 n 4 n 4 M6 Lock washer n 4 M6 Hex nut f n 1 M4x4 Hexagon socket set screw See tuning diagrams next page n l 2mm Exagonal key 4 n 1 10mm PVC cap2. ation Its Gamma Match discharges Simple and strong Electrical Data Type Frequency Range feed makes it earthed for a perfect protection against the static it is particularly recommended for a professional use SPECIFICATIONS 3 42 Coax J Pole CX 4 68 from 68 to 73 MHz tunable by diagram CX 4 73 from 73 to 78 MHz tunable by diagram CX 4 78 from 78 to 83 MHz tunable by diagram CX 4 83 from 83 to 88 MHz tunable by diagram Impedance Radiation H plane Radiation E plane Radiation angle deg Polarization Gain Bandwidth SWR 1 5 50 Q Unbalanced 360 Omnidirectional Beamwidth at 3 dB 60 3 Vertical 2 dBd 4 15 dBi CX 4 68 1 7 MHz 68 MHz CX 4 73 2 2 0 MHz 73 MHz CX 4 78 2 2 5 MHz 78 MHz CX 4 83 2 2 5 MHz 83 MHz SWR res freq Max Power Feed System Position Connector Mechanical Data Materials Wind Load Resistance Wind Surface Height approx Weight approx Mounting Mast 9 SIRIO antenne HI QUALITY ANTENNAS MADE IN ITALY ID075 a IA 500 Watts Gamma Match Base UHF Female Nylon Brass Steel Aluminium 97 N at 150 Km h 150 Km h 2 0 08 m TYPICAL RADIATION PATTERN in E plane at mid band from 2700 to 3360 MM tie 02013 Scale logarithmic 1900 gr 35 42 mm 90
3. th E YT S N J a 00 o n E Cc lt Q 2 u R a N a Ww S TYPICAL TUNING DIAGRAMS CX 4 73 CX 4 68 5 TF File G 02 012 76 5 75 roR practic bre cpr DSN IPE i E aa Aae aA aE ai ES Sa 2117 LMM File G 02 013 2357 Lim 2295 2044 2002 1960 1918 78 TF 76 CX 4 83 CX 4 78 File G 02 010 1857 mm File G 02 011 7 78 eee ere ae ae 1 5 2009 5 mm 1974 1904 NOTE e Lis the lenght indicated in the above pictures It is recommended to use the curves just as a guide Fine tuning by using an SWk Meter Installation Manual HI QUALITY ANTENNAS MADE IN ITALY amp antenne 9 SIRIO Copyright SIRIO antenne Technical Data are subjected to change Printed in ITALY Rev 09 04 2008 Cod ID075 3 4 VHF antenna for base DESCRIPTION station service made of high quality materials to get the best performance and the maximun efficiency It is completely manufactured with aluminium tubes and nylon for its great robustness and it is supplied with a solid steel bracket for an easy and safe install
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