ETS-Lindgren 3147 Log Periodic Dipole Array Antenna - Manual (Page 3)

Table of Contents
Notes, Cautions, and Warnings ................................................ v
1.0 Introduction .......................................................................... 7
Regarding Calibration of Log Periodic Dipole Antennas ................................ 8
ETS-Lindgren Product Information Bulletin ................................................... 9
2.0 Maintenance ....................................................................... 11
Maintenance Recommendations ................................................................. 11
Annual Calibration ....................................................................................... 11
Service Procedures ..................................................................................... 11
3.0 Specifications ..................................................................... 13
Electrical Specifications ............................................................................... 13
Physical Specifications ................................................................................ 13
4.0 Mounting Instructions ....................................................... 15
Using Included Mounting Adapters .............................................................. 15
Additional Mounting Options ........................................................................ 17
4-TR Mounting Options ................................................................................ 17
7-TR and Mast Mounting Options ................................................................ 18
2x2 Boom Mounting Options ....................................................................... 19
5.0 Operation ............................................................................ 21
Model 3147 Assembly Instructions .............................................................. 21
Model 3147 Use ........................................................................................... 21
6.0 Typical Data ........................................................................ 23
Typical VSWR for Model 3147 ..................................................................... 23
Typical Antenna Factor and Gain for Model 3147 ....................................... 24
Beamwidth for Horizontally and Vertically Polarized Model 3147................ 26
Front-to-Back Ratio for Model 3147 ............................................................. 28
Cable Attenuation (dB) at 20°C for 6-M Cable ............................................. 29
Typical Antenna Pattern for 200 MHz and 300 MHz ................................... 30
7.0 Radiated Emissions Measurement .................................. 31
Conversion Factors ...................................................................................... 32
8.0 Power Requirements ......................................................... 35
Power Requirements Table ......................................................................... 36
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