Antenna

In the wireless communication industry, the issues of dB, dBi, dBd, dBc, dBm, and dBw are often involved, which are defined as follows: 1.dB dB is a value that characterizes the relative value, a pure ratio, which only represents the relative magnit

Posted at 21-07-09 by SKYSKY views(651)

I. Introduction RF devices , when operating frequency is increased to the microwave region , in addition to the RF circuit design , a good RFID tags also have a good antenna design . Factors to consider include the type of antenna , antenna impedance

Posted at 12-02-18 by Sky views(11775)

The dipole board antenna design principles and practice please Click here to get our dipole antenna Abstract ： This paper describes horizontal and vertical directivity functions of dipole planar antenna ， introduces the principles on the determ

Posted at 12-02-18 by Sky views(7567)

Radio frequency identification (RFID) is one kind of the non-contact type automatic identification technology. Radio frequency identification system mainly is composed of tag and interrogator. It automatic diagnosis goal object and gain correlated da

Posted at 12-02-18 by Sky views(1499)

A folded dipole antenna is a dipole antenna folded back , connected to each other at both ends . This form of a loop, shown in Figure 1 . please Click here to get our dipole antenna Figure 1. A folded dipole antenna length L . Under normal cir

Posted at 12-02-18 by Sky views(7835)

DIY a half-wave dipole anti-typhoon antenna , how to make a half-wave dipole anti-typhoon antenna If you think it is too difficult to DIY the antenna, we have the dipole anenna in stock, please Click here to get our dipole antenna Half-wave dipole

Posted at 12-02-18 by Sky views(16400)

Dipole antenna used to transmit and receive a fixed frequency signal. Although the usual measurements using broadband antennas, but need to use a dipole antenna in the measurement of site attenuation and antenna factor. SCHWARZBECK dipole antenna fre

Posted at 12-02-17 by Sky views(13078)

The frequency is one of the most important concepts in the universe . It is also very important in antenna theory . Fortunately, this concept is not very complex . Beginner class : Send or receive electromagnetic (EM) wave function of the antenna . T

Posted at 12-02-03 by Sky views(2791)

Antenna base Now we will begin the study of the antenna. Suppose one day you walk in the street. Run a pleasant and patient person to you, and they ask you to design an antenna. OK, you will soon reply. Then you ask, What is the desired frequency, ga

Posted at 12-01-05 by Sky views(1401)

The polarization of aerial The polarization of radio wave is the relation that shows electric field direction and transmission way are both. It expresses the orientaton in vector of field of electrify of direction of the biggest radiate. Be in actua

Posted at 08-08-11 by Admin views(1400)