Hi all, I like to construct a multi turn shielded loop with RG6 coax. I have already a cross section frame with sides of 1.5 meters or 6 meters per turn. I...
4795
Chris Trask
chris3trask
Feb 1, 2008 2:48 pm
... The original question was for a loop antenna, not a ferrite rod. Chris ,----------------------. High Performance Mixers and / What's all this...
4796
Chris Trask
chris3trask
Feb 1, 2008 10:21 pm
... That's a very interesting web page, especially his remarks towards the ed of part 5 concerning the spacing of the wires increasing the Q of the inductor....
4797
crabtreejr@...
crabtreejr
Feb 1, 2008 10:45 pm
In a message dated 2/1/08 4:22:02 PM Central Standard Time, ... I did note that the material at the end of part 5 was based on simulations. Somwehere I recall...
4798
Chris Trask
chris3trask
Feb 1, 2008 11:00 pm
... I ... Let me know if you have anything that's not listed here: http://www.home.earthlink.net/~christrask/magloop.html I haven't kept track of this subject...
4799
Mark
renderdog7
Feb 1, 2008 11:42 pm
Here's a paper I came across a while back: http://www.bbc.co.uk/rd/pubs/whp/whp091.shtml Mark ... the 1950's. ... http://www.home.earthlink.net/~christrask...
4800
Chris Trask
chris3trask
Feb 1, 2008 11:57 pm
... Mark, I had forgotten all about those, as well as the BBC Engineering Reports. There were five interesting ones in the index, and I'll have to download ...
4801
juan.m0wwa
Feb 3, 2008 2:33 pm
Hi all, I have unlimited stock of Toroid cores and other parts. Anyone interested please visit http://www.m0wwa.co.uk/page/retailstore.html Regards. Juan M0WWA...
4802
Paul V Birke PEng
pvbirke
Feb 3, 2008 4:56 pm
Dear Juan very nice site thanks for posting this Paul ... From: juan.m0wwa <jjdeonate@...> To: loopantennas@yahoogroups.com Sent: Sunday, February 3,...
4803
aimo ruoho
aimounto
Feb 3, 2008 5:02 pm
I agree with Paul & 1000s of others! Ami Paul V Birke PEng <nonlinear@...> wrote: Dear Juan very nice site thanks for posting this Paul ... From:...
4804
juan.m0wwa
Feb 4, 2008 2:59 am
Hi all, This is my report about PCB fractal loop antenna, model 1. Calculations were done for 28.5MHz, ¼ wavelength, three iterations and 0.8 indentation...
4805
juan.m0wwa
Feb 4, 2008 3:09 am
Sorry my mistake, Rs-Xs means Equivalent series resistance and reactance. Than you Juan M0WWA...
4806
John Popelish
jpopelish
Feb 4, 2008 3:16 am
... (snip) Reading this with great interest. But don't you think it might be informative to have a simple control loop, made of the same material and trace...
4807
Paul V Birke PEng
pvbirke
Feb 4, 2008 4:08 am
an excellent idea John gain and bandwidth for sure best Paul ... (snip) Reading this with great interest. But don't you think it might be informative to have...
4808
Marc
markov035
Feb 4, 2008 7:36 am
Hi, Here, http://www.rein-hoeren.de/inhalt/496.shtml you can see a anetnna tuner by Charly Hardt ( for sale on http://www.charly-hardt.de/eigen.html I think...
4809
juan.m0wwa
Feb 4, 2008 10:06 am
... Hi John, Related to loops and even more fractal loops I am moving in unknown territory. I agree with you that simplicity is the key on designs. The main...
4810
Len Warner
hejsek2005
Feb 4, 2008 2:20 pm
... And you post like him, too: let's hope 1000s of others don't copy you ;-) ... Nice products and thanks for to Juan for making them available but the site...
4811
Len Warner
hejsek2005
Feb 4, 2008 6:23 pm
... This is a tuner for a high-impedance short wire antenna, as exemplified by a telescopic or whip aerial on a portable (or tabletop) low-cost receiver. ... ...
4812
Marc
markov035
Feb 4, 2008 9:25 pm
... A loop antenna = LC circuit This antennatuner seems to be an LC circuit too... Because I don't want to mess with formula alone, and want to invite other...
4813
aimo ruoho
aimounto
Feb 4, 2008 11:30 pm
Sorry, if I did something wrong. again? ... And you post like him, too: let's hope 1000s of others don't copy you ;-) ... Nice products and thanks for to Juan...
4814
crabtreejr@...
crabtreejr
Feb 6, 2008 4:32 am
In a message dated 2/1/08 5:01:21 PM Central Standard Time, ... IMHO, the important reference is the paper by Van Sutchelen: van Sutchelen, H, Ferroxcube...
4815
Chris Trask
chris3trask
Feb 6, 2008 1:59 pm
... I've run across at least one of those, and I wonder if it's in another file here? I'll have to look later. If not, I know that they're available over at...
4816
crabtreejr@...
crabtreejr
Feb 6, 2008 4:11 pm
In a message dated 2/5/08 10:32:16 PM Central Standard Time, ... Snelling in his book 'Soft Ferites', (1st ed 1969, 2nd ed 1988) has a whole chapter on ferrite...
4817
Neil Bell
neilbellgroups
Feb 6, 2008 6:51 pm
I FINALLY got permission from my homeowners association to install an outdoor Wellbrook Loop on a 20 foot mast! Therefore I am putting my like-new Quantum QX...
4818
Chris Trask
chris3trask
Feb 6, 2008 10:50 pm
... whole ... first ... track down ... Snelling ... Yes, Snelling was a big honcho at Philips, as was Smit. I have the first two editions of Snelling's book,...
4819
Chris Trask
chris3trask
Feb 6, 2008 11:13 pm
I went rummaging through my various boxes of ferrites, and found that I don't have a ferrite antenna rod that is to my liking for this project, just smaller...
4820
Bill Cooper
twelvej5
Feb 7, 2008 12:38 am
Chris, I ordered from them about two - three years ago and didn't have any problems. One of the orders to Bytemark replaced an Amidon Assoc. order that was...
4821
Chris Trask
chris3trask
Feb 7, 2008 1:03 am
Bill, ... I've never bought anything from Amidon, reason being that they don't manufacture anything and instead market Micrometals products. I buy all of that...
4823
tenorman1952
Feb 7, 2008 1:29 am
Sorry, I removed my previous post, it contained my sig line. Ferrite bars http://www.stormwise.com/page26.htm Ferrite antennae ...
4824
Steve
alienrelics
Feb 7, 2008 1:35 am
... Nor like you. You left all that extraneous stuff attached. Len, you aren't the moderator. I'd rather see people posting and making a few mistakes, than no...