Description
Who provides Whip Antenna 433MHz Magnet Mount Helical Antenna Design?
Assets of the whip antenna helical antenna design include electrical and mechanical simplicity. Little installation is necessary.
The Whip Antenna 433MHz Magnet Mount Helical Antenna design service is provided by C&T RF Antennas Inc and the Helical Antenna design performs well.
C&T RF Antennas Inc provides the helical antenna design,
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Vehicle Antenna Through-hole Screw Mount Antenna Design, etc. Please contact us for more helical antenna design details such as Helical Antenna Design datasheet, Helical Antenna Design pricing, Helical Antenna Design engineering cost, Helical Antenna Design time, etc.
Whip Antenna 433MHz Magnet Mount Helical Antenna Design And Other Antenna Designs Are Available At C&T RF Antennas Inc.
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433Mhz Helical Antenna Design Datasheet
Magnet mount whip antenna helical antenna design Electrical Specifications |
|
| RF Antenna Type | Magnet mount antenna |
| Model | CTRF-ANTENNA-MG-3M-SMA |
| Frequency | 433MHz or Custom |
| Gain | 1/8dBi |
| VSWR | ≤1.5 |
| Impedance | 50 Ω |
| Polarization | Vertical |
| Cable Type | RG174/178 or Custom |
| Cable Length | 1/2/3 Meters or Custom |
| Connector | SMA Male or Custom |
| Max Power | 50W |
| Lightning Protection | DC Ground |
Magnet mount whip antenna helical antenna design Mechanical Specifications |
|
| Dimension | Based on Request or Custom |
| Radiation Pattern | Omnidirectional |
| Rod Material | Brass |
| Operation Temperature | -40℃~+85℃ |
| Storage Temperature | -40℃~+75℃ |
| Color | Black |
| Antenna Form | Whip Antenna |
| Mounting | Magnetic Base |
| RoHS | Compliant |
| Applications | Indoor & Outdoor |
Below are the existing Whip Antenna 433MHz Magnet Mount Helical Antenna Design styles for your choice.
145x30mm(Magnetic Mount Antenna) Magnetic Mount 433 MHz Ground Plane Whip antenna
145x30mm(Magnetic Mount Antenna) 433 Helical Antenna
100x30mm(Magnetic Mount Antenna)
95x30mm(Magnetic Mount Antenna)
110x30mm(Magnetic Mount Antenna)
115x30mm(Magnetic Mount Antenna)
125x30mm(Magnetic Mount Antenna)
145x30mm(Magnetic Mount Antenna)
160x30mm(Magnetic Mount Antenna)
165x30mm(Magnetic Mount Antenna)
170x30mm(Magnetic Mount Antenna)
175x30mm(Magnetic Mount Antenna)
180x30mm(Magnetic Mount Antenna)
185x30mm(Magnetic Mount Antenna)
210x30mm(Magnetic Mount Antenna)
225x30mm(Magnetic Mount Antenna)
230x30mm(Magnetic Mount Antenna)
235x30mm(Magnetic Mount Antenna)
310x30mm(Magnetic Mount Antenna)
320x30mm(Magnetic Mount Antenna)
Wireless transmission distance estimation calculation
The best antenna length is 1/4 of the wavelength
Wavelength = wave speed/frequency
Wave speed = speed of light = 3*100000000
The alternating current in a piece of metal wire can emit alternating induced electric fields and induced magnetic fields into space, which is the emission of radio signals.
On the contrary, the alternating electromagnetic field in space can induce an alternating current when it encounters a metal wire, which corresponds to the reception of wireless signals.
When the radio is transmitting and receiving, it is hoped that the alternating current in the wire can be effectively converted into an electromagnetic wave in space, or the electromagnetic wave in space can be most effectively converted into an alternating current in the wire.
This requires the wire used for transmitting and receiving to obtain the best conversion efficiency, and the wire used for transmitting and receiving wireless electromagnetic wave signals that meet such requirements is called an antenna.
Theory and practice have proved that when the length of the antenna is 1/4 of the wavelength of the radio signal, the transmission and reception conversion efficiency of the antenna is the highest.
Therefore, the length of the antenna will be determined according to the frequency or wavelength of the transmitted and received signals.
As long as you know the center frequency of the corresponding transmission and reception, you can use the following formula to calculate the wavelength of the corresponding radio signal, and then divide the calculated wavelength by 4 to get the corresponding optimal antenna length.
Whip antenna helical antenna design
All antennas, like any other electronic component, have at least two connection points.
For whip antennas, there must be a connection point and ground connection, although there are only one circuit trace and one battery in the ground layer area. The whip antenna and the ground layer combine to form a complete circuit.
A magnetic field is established between the whip antenna and the ground layer. When current passes through the field, the entire circuit is formed. The ideal ground plane should extend at least 1/4 wavelength around the whip antenna base, or more.
The ground plane can be made smaller, but it will affect the performance of the whip antenna.
When designing an antenna, the ground plane area must be considered.
The quarter whip antenna is not a compact antenna. At 1MHz, in the AM broadcast bandwidth, the quarter wavelength is about 246 feet (or 75 meters), and at 100MHz, in the FM broadcast bandwidth, it is about 30 inches ( 75cm), the higher the frequency, the smaller the length, about 3 inches (7.5cm) at 1000 MHz.
A simple formula for calculating one-quarter stream length is 7500/frequency (MHz), the unit is (cm), or 2952/frequency (MHz), the unit is (inch). This formula is only a starting point because the length can actually be shortened.
If the ground layer is super thick and large, and there is a cladding layer, it is not very close to the ground. If the ground plane is too small, the antenna needs to be lengthened.
The antenna length should be measured from the place close to the ground plane or from the place where the output is emitted. If the whip antenna is fixed on a box and connected to a transmitter with a smooth wire, the smooth wire will become part of the antenna. In order to avoid wire misalignment, coaxial cables are used to connect external antennas.
On a circuit board, the equivalent of a coaxial cable is a trace around the ground plane.
The whip antenna is relatively simple and easy to design and use the antenna. It requires a quarter-wavelength antenna perpendicular to the ground plane.
Whip Antenna 433MHz Magnet Mount Helical Antenna Design Features
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