Copyright: 1996 - 2024
BSEE - KB3UON
RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling
2 MB. Its primary purpose was to provide me with ready access to commonly needed
formulas and reference material while performing my work as an RF system and circuit
design engineer. The World Wide Web (Internet) was largely an unknown entity at
the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps
while tying up your telephone line, and a nice lady's voice announced "You've Got
Mail" when a new message arrived...
All trademarks, copyrights, patents, and other rights of ownership to images
and text used on the RF Cafe website are hereby acknowledged.
My Hobby Website:
RF combiner - RF Cafe Forums
RF Cafe Forums closed its virtual doors in 2012 mainly due to other social media
platforms dominating public commenting venues. RF Cafe Forums began sometime around
August of 2003 and was quite well-attended for many years. By 2010, Facebook and
Twitter were overwhelmingly dominating online personal interaction, and RF Cafe
Forums activity dropped off precipitously. If the folks at
phpBB would release a version with integrated
sign-in from the major social media platforms, I would resurrect the RF Cafe Forums,
but until then it is probably not worth the effort. Regardless, there are still
lots of great posts in the archive that ware worth looking at.
Below are the old forum threads, including responses to the original posts.
|-- Amateur Radio
Gripes & Humor
-- CAE, CAD, &
Test & Measurement
Post subject: RF combiner Posted: Wed Aug 24, 2005 1:30 am
Does anyone can give us an idea on whats the schematic diagram of
an rF combiner. : ) 1 to 500MHz, 1Watt or less, resistive or LC, 50ohm
input output impedance
Post subject: Posted: Wed Aug 24, 2005 9:50 am
Joined: Mon Jul 18, 2005 4:31 pm
There are several well known topologies. These are easily available
in textbooks, ham radio books, or even with the internet.
Post subject: Posted: Wed Aug 24, 2005 3:14 pm
Joined: Mon Jun 27, 2005 2:02 pm
The most common and simple combiner to
use is Wilkinson.
Post subject: Posted: Wed
Aug 24, 2005 4:16 pm
check out minicircuit's app note.
those frequencies a core and wire version will work best. I just design
one last month at those frequencies with good results.
Post subject: Posted: Wed Aug 24, 2005 9:40 pm
Thank you guys.