Antenna

8 wood antenna makes FM3 unit: Optional diameter is the material that make the copper of 6~8mm, aluminium or stainless steel canal, I chose the stainless steel control of the easiest draw materials to make namely, whole deputy antenna sparkles shine

Posted at 08-08-08 by Admin views(1474)

8 wood antenna is one kind is brought to aerial, by an active many passive Zhenzi places Zhen Zihe to go up in same plane, and perpendicular at join the metallic lever of their center. General a passive brace up child for reflector, the passive of th

Posted at 08-08-08 by Admin views(1261)

J antenna is theoretic Ba Lun does not need when the gain that has 3db is installed, and bottom can be installed receive with earth edge on iron lever, facilitate prevent thunder. Oneself get J of one finished product antenna occasionally, but use fr

Posted at 08-08-08 by Admin views(901)

Introduce: . . . . . . . . . 8 wood of.YAGI(aerial) in radio transmission efficiency, should be a kind of the best antenna, point to character because of what this kind of antenna has tall gain, so extensive use is ordering the news report of S

Posted at 08-08-08 by Admin views(5016)

The emissive fundamental of aerial is: Report travel in order to approach smooth rate in conductor, when the discontinuous dot in encountering conductor, it can be reflexed to answer signal source. If electric current is to hand in,change, and reflex

Posted at 08-08-08 by Admin views(1600)

1 antenna 1.1The action of aerial and position The power of radio frequency signal that radio catapult outputs, through line of make a present of (cable) carry aerial, go out with radiate of electromagnetic wave form by aerial. Electromagnetic wave a

Posted at 08-08-09 by Admin views(1203)

In very much high frequency emissive equipment, the emissive power that a directional coupler inserts to measure emissive equipment in the access that often is put to emissive antenna in end course result or the reflection power that measure aerial,

Posted at 08-08-11 by Admin views(2929)

1. Perpendicular antennaWhat perpendicular antenna uses in the radio equipment that monitor is very much. Perpendicular antenna is actually a kind occasionally extremely child aerial. Occasionally extremely aerial is comprised by two conductor, every

Posted at 08-08-11 by Admin views(1071)

Aerial has 100 thousand to plant only alone horizontal idol extremely aerial (DIPOLE ANTENNA) , simple economy, efficiency tall. Horizontal idol extremely the impedance below aerial standard circumstance is 73 ohm, the graph is a standard establish a

Posted at 08-08-11 by Admin views(1319)

Half semmetry brace up child with line of make a present of match General reception equipment (like the television) its input characteristic impedance to be 75 (lopsided pattern) or 300 balance type, half semmetry brace up child output is: M blows?5

Posted at 08-08-11 by Admin views(1192)