Posts Tagged ‘hybrid’

Biquad Yagi 2.4Ghz Antenna

Sunday, October 21st, 2007

At las time a lot of hits came from a Poland there are some good wifi forums but I cant find online translator 🙁

Here one interesting antenna from diy.wifi-live.pl

This is some strange Biquad and Yagi hybrid.

biquad yagi antenna

Dimensions :

/odległości:

deflektor- 36
/19
quad- 34
/17
direktor1 33
/17
direktor2 32
/17
direktor3 31
/17
direktor4 30
/17
direktor5 29

There are no results or testing for this antenna.

Wlan Antenna Splitters

Wednesday, July 4th, 2007


At last I have collected a lot of pictures of different wlan antenna splitters .

Some blueprints and links too.

Some dimentions ARE NOT for 2.4ghz !!!

spliter-napoly.jpg napoliwireless.net powersplitter

http://www.uksmg.org/split.htm Similar to up picture but using coaxial cable.

Wilkinson power splitters.

splitter

This is just a pics found in the net or cant remember links for them.

hpim0425.JPGpowersplitter.jpgsplitter

splitter http://home.teleport.com/~oldaker/power_dividers.htm

splitter.gif vhfman.freeuk.com

The idea/may be/ and ps file and this pic 800 mhz splitter are from here http://www.wireless-homebrew.com/wireless/appendixF.html#6

If some one explain me this thing here I’ll buy a couple of bees 😉
“It is possible to use old 800 MHz cellular phone power dividers/combiners at 2.4 GHz because of the 3rd harmonic relationship.

Different designs :

powersp.gif2g4splitern.gif2g4spliter2.gif

spliter-n.gif I found this one completed whit some pics – sorry again can’t find link to original file. Send me a link if You know it.

1.gif2.gifsplitter1.gifsplitter2.gifsplitter3.gif

PCB Splitter wlan design from http://df2ck.de/tech/splitter/

pcb splitter pcb splitter

Coaxial line splitter / divider for four dipoles or biquads

http://www.dynaperl.de/wimo/?w=1217

four bicuad coaxial linefour bicuad coaxial linefour bicuad coaxial linefour bicuad coaxial line

http://www.dynaperl.de/wimo/nachbau/?w=1217

4 biquad dipoles connected using coax line4 biquad dipoles connected using coax line4 biquad dipoles connected using coax line

Next there is another 4 way coax splitter :

4 biquad dipoles connected using coax line

You can search for 23cmhybrid.pdf or Hybrid-Double-Quad-Array-D.pdf

http://www.google.bg/search?q=23cmhybrid.pdf&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

http://www.google.bg/search?q=Hybrid-Double-Quad-Array-D.pdf&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

Last this one is without coax :

http://www.frars.org.uk/cgi-bin/render.pl?action=link&url=1162

1162.jpg 1183551009-1162-image-4double_quad_back.jpg

And finally some links :

http://home.iae.nl/users/pe1ogf/power.htm

http://www.hdtvprimer.com/ANTENNAS/merging.html

http://www.ee.bilkent.edu.tr/~microwave/programs/magnetic/mwpower/wilk1.htm

http://rfdesign.com/mag/radio_designing_lc_wilkinson/

http://www.microwaves101.com/encyclopedia/couplers.cfm

http://www.pa3csg.hoeplakee.nl/hybrid/hybrid.html