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I made a good antenna with a Nalley's "Big Chunk" Beef Stew can that was 3.87" in diameter. You're looking for a can between about 3" and 3 2/3" in diameter. This wire will stick into the brass stub in the N-connector. You'll need about 1.25" of 12 guage copper wire. If your N-connector is a screw on type, then you won't need the nuts and bolts. You'll need them just long enough to go through the connector and the can. These can be found at electronics stores internet suppliers (see the list below under "Connect your antenna." If you shop around, you should be able to find these for $3-$5. One side is N-female for connecting the cable from your wireless equipment, and the other side has a small brass stub for soldering on wire. These vendors can supply the parts (the wire and can you provide yourself).Ī N type Female Chassis-mount connector. Drill or punch holes in your can to mount the probe The risk to you and your equipment is yours.īuilding your Cantenna is easy, just follow these steps.Ģ. I have no idea if this is safe for your radio or wireless network equipment. I've built some antennas that worked for me and thought I would share what I learned. dBm to Watt converter Stripline Impedance calculator Microstrip line impedance Noise temp.I am not an electrical engineer, nor do I have access to any fancy test equipment.
#Cantenna calculator inches Patch#
Parabolic Dish Calculator Horn Antenna Calculator Dipole Antenna Calculator Patch Antenna Calculator Antenna near field calculator Antenna gain calculator Antenna G/T ratio calculator Useful converters and calculatorsįollowing is the list of useful converters and calculators.
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This 3-element Yagi Antenna calculator is useful to design the Yagi Antenna. Reflector to Dipole Spacing = 0.1875 meters,ĭipole to Director Spacing = 0.1875 metersįormula/Equations used in Yagi Antenna Calculatorįollowing formula/equations are used in the Yagi Antenna Calculator. OUTPUTS: Reflector Length = 0.7425 meters, Dipole Length = 0.7095 meters, Front to Back Ratio Yagi Antenna CalculatorĮXAMPLE of 3 element Yagi Antenna calculator:.The following are the basic specifications considered in selecting Yagi Antenna and performing calculations
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The spacing also depend on bandwidth, gain, F/B ratio and sidelobe pattern The spacing of reflector from driven element The length is usually 5% more compare to driven element. Reflector: It is placed at rear of dipole or driven element. The Gain of Yagi Antenna depends on length of antenna array and do not depend on number of directors used The spacing between directors usually range from 0.1λ to 0.5λ or more. It helps to achieve desired gain and directional pattern. It has resonant higher compare to driven element. It has length which is 5% short compare to driven element. Is about half of wavelength of frequency.ĭirector: It is designed mainly for receiving EM waves. It becomes resonant when its electrical length The feed point is located at the center of the driven element. This helps in transfer of energy from transmitter module to antenna. Driven Element): It is the feed point where feedline is usually attached from transmitter.
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It may have one or multiple directors.ĭipole (i.e. The simple Yagi Antenna is shown in the figure-1. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. The formula and basics of Yagi Antenna Calculator are also explained with example. This page covers 3 element Yagi Antenna calculator. 3 element Yagi Antenna Calculator | Yagi Antenna Calculator