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Groups > sci.electronics.design > #737098
| From | Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> |
|---|---|
| Newsgroups | sci.electronics.design |
| Subject | Re: RF power combiner |
| Date | 2025-10-23 16:48 -0400 |
| Organization | A noiseless patient Spider |
| Message-ID | <9e7603ff-39e9-bfc5-612c-c30bb27679eb@electrooptical.net> (permalink) |
| References | <10da59f$gcuu$1@dont-email.me> |
On 2025-10-22 04:40, Jeroen Belleman wrote: > While musing over a text about transmission line transformers, > combiners, splitters and so on, I came up with a power combiner > that promises a bandwidth spanning from some kHz well into the > GHz domain, with good isolation between input ports, and that > does _not_ have a null where its transmission lines are half a > wavelength long. > > I could find no other examples of this arrangement. The usual > combiners are wire- or coax- wound transformers, with 3 decade > bandwidths in the 100kHz-100MHz ballpark, or Wilkinson things > that only begin to work above half a GHz. > > This design should be able to work from a few kHz up to well > into the GHz domain. Anyway, for what it's worth, here it is. > > Jeroen Belleman > > ========================= > > Version 4 <snip> That is one weird-ass combiner, for sure. Looks like it has to be made out of coax, on account of the switcheroo in the grounds. I like it! Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics Briarcliff Manor NY 10510 http://electrooptical.net http://hobbs-eo.com
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RF power combiner Jeroen Belleman <jeroen@nospam.please> - 2025-10-22 10:40 +0200
Re: RF power combiner Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2025-10-23 16:48 -0400
Re: RF power combiner Jeroen Belleman <jeroen@nospam.please> - 2025-10-24 00:39 +0200
Re: RF power combiner Joe Gwinn <joegwinn@comcast.net> - 2025-10-24 08:51 -0400
Re: RF power combiner Jeroen Belleman <jeroen@nospam.please> - 2025-10-24 19:21 +0200
Re: RF power combiner Bill Sloman <bill.sloman@ieee.org> - 2025-10-25 04:22 +1100
Re: RF power combiner Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2025-10-24 13:17 +0000
Re: RF power combiner Jeroen Belleman <jeroen@nospam.please> - 2025-10-24 19:15 +0200
Re: RF power combiner Bill Sloman <bill.sloman@ieee.org> - 2025-10-25 14:49 +1100
Re: RF power combiner Joe Gwinn <joegwinn@comcast.net> - 2025-10-24 15:33 -0400
Re: RF power combiner john larkin <jl@glen--canyon.com> - 2025-10-24 12:48 -0700
Re: RF power combiner Bill Sloman <bill.sloman@ieee.org> - 2025-10-24 18:17 +1100
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