Yagi antenna is an antenna lead , by a number of active and passive dipole oscillator placed in the same plane and perpendicular to the rod connecting their centers . Oscillator is usually a passive reflector , the rest of the passive oscillator as d

Posted at 11-12-23 by Sky views(2970)

Yagi antenna is an antenna lead , by a number of active and passive dipole oscillator placed in the same plane and perpendicular to the rod connecting their centers . Oscillator is usually a passive reflector , the rest of the passive oscillator as d

Posted at 11-12-23 by Sky views(4306)

Receiver antenna is a tool to capture signals , FM radio reception for remote antenna is mostly Yagi (YAGI) antenna , Yagi antenna, the number of cells directly affect the reception range , unit number , the more , the direction of the more acute the

Posted at 11-12-23 by Sky views(23171)

Ceramic gas discharge tube using sealed package, in the discharge gap is filled into the appropriate gas medium (argon or neon gas) , together with the high activity of the electron emission materials and discharge ignition institutions , is a specia

Posted at 11-12-23 by Sky views(1944)

First, understanding the quasi-parabolic and parabolic line Parabola is a plane to a fixed point F and line a distance equal to the L locus of points. Shown in Figure 1, the plane to a point F and F is a fixed straight line, but the distance L equal

Posted at 11-12-23 by Sky views(3459)

As the rapid development of mobile communications, there are many parts of the country at present the coexistence of multiple networks, namely A, B, G three networks co-exist, some of the region G network also includes GSM9000 and GSM1800. To take fu

Posted at 11-10-26 by Sky views(2215)

J -pole (J please Click here to get our dipole antenna -Pole) antenna consists of a 1 / 2 wave transmitting element and a 1 / 4 wave matching device driver structure, which is equivalent to a dipole antenna driven from the end , because the condu

Posted at 11-11-23 by Sky views(9364)

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(873)

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