How is dipole antenna calculated?
When determining how long to make each leg of a Dipole antenna, dividing the frequency in MHz into 468 will give the overall length. To find the half wave, divide that number by two. This will give you the length of each leg of the antenna.
How do you calculate the impedance of a dipole antenna?
The dipole feed impedance is determined by the ratio of the voltage and the current at the feed point – it is simply calculated using Ohm’s Law. Although a dipole can be fed at any point, it is normal for the feed point to be at the middle of the dipole. This is the current maximum and voltage minimum point.
What is the length of a dipole antenna?
one-half wavelength
The Dipole Antenna A dipole antenna consists of a conductor broken in the middle to allow it to be fed from a balanced transmission line. The total length of the dipole is normally one-half wavelength though other lengths are used in certain cases.
How long is a 60m dipole?
approximately 26.6 meters
Total length approximately 26.6 meters.
What is the impedance of a dipole antenna?
Feeding a dipole antenna. Ideally, a half-wave dipole should be fed using a balanced transmission line matching its typical 65–70 Ω input impedance.
Is a dipole antenna omnidirectional?
Commonly known as an omnidirectional antennas, all dipole antennas have a generalized radiation pattern.
How long is a 40 meter dipole?
Read more about . . . . Dipole Length Calculations.
| Approximate Lengths for HF Ham Band Dipole Antennas | ||
|---|---|---|
| Band (MHz) | Length (Feet) | Length (metres) |
| 7.0 MHz (40 metres) | 68.5 | 21.1 |
| 10.1 (30 metres) | 47.5 | 14.7 |
| 14.00 (20 metres) | 34.3 | 10.6 |
What is the length of a dipole at 2.4 GHz?
0.35 λ
We found that the length of the dipole antenna for the 2.4 GHz frequency is 0.35 λ, and the balun length is 0.25λ for the bazooka and 0.2 λ for the 1: 1 balun.