Yagi Antenna Design - 285 TechConnect Radio Club

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Typical gain of Yagi-Uda antennas: 3 elements: 7 dBi 4 elements: 9 dBi 6 elements: 10.5 dBi 8 elements: 12.5 dBi 12 elements: 14.5 dBi 15 elements: 15.5 dBi 18 elements: 16.5 dBi Source: Antenna Engineering Handbook (Johnson) Note: 0 dBi = 2.14 dBd The Yagi Uda antenna
Let’s start with a Driven Element... Driven element only…essentially a dipole (PVC boom / handle shown, too)
Page 1 and 2: The Yagi, J-Pole and NVIS Dipole An
Page 6 and 7: Antennas The most critical piece o
Page 10 and 11: Let’s start with a Driven Element
Page 12 and 13: Then add a Director. Driven element
Page 14 and 15: Then add a Director. Total gain (ho
Page 16 and 17: And finally, add a Reflector. Total
Page 18 and 19: And finally, add a Reflector. 2D pa
Page 20 and 21: Driven element only Gain: 1.98 dBi
Page 22 and 23: The Tape Measure Yagi Easily built
Page 24 and 25: Some other antennas…
Page 26 and 27: 2-meter J-Pole Antenna Total gain (
Page 28 and 29: 10 GHz Horn antenna Model of a roun
Page 30 and 31: 10 GHz Horn antenna 10 GHz horn ant
Page 32 and 33: Dipole in free space (no ground eff
Page 34 and 35: Dipole (1l above ground) Dipole mod
Page 36 and 37: Yagis: Selected Web Resources Yagi
Page 38 and 39: Driven element only Return loss (re
Page 40 and 41: Driven element, reflector & directo
Page 42: Dipole (0.1l above ground) Return l

Yagi Antenna Design - 285 TechConnect Radio Club

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