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Re: Air core loop
exnci2000 wrote: Is this one of the sites you found? http://www.qsl.net/in3otd/ind1calc.html I agree that it doesn't agree very closely with the approximate formula at the bottom of page 2 of:
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John Popelish <jpopelish@...>
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#3109
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Re: Air core loop
loopcalc.exe gives 4.8uh 73 jim ab3cv
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Jim Miller <jim@...>
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#3110
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Air core loop
Hi, I would like to know the correct value, in microhenry, of a single turn air core loop 1 meter diameter (conductor 1 mm ).I tried many software but they give me different results. Regards Franco.-
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exnci2000
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#3108
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Re: AOR LA350 Loop Antenna
Hello all The AOR LA350 Loop Antenna is still for sale, is any one still interested in buying it. Thanks Andrew.
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aandrewb2001
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#3106
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Re: Active loop antenna
A FET might be alright, definitely the ticket on short whip with a high impedance .... I'm not sure what the impedances look like on a (relatively) short untuned loop, I tried to measure one with my
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jr_dakota <SG2112@...>
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#3105
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Re: AOR LA350 Loop Antenna
Hi Andrew I'm still interested regards Nigel GM8PZR
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gandalfg8@...
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#3107
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Re: Active loop antenna
My email address is Rlane7301@... Ralph
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Ralph Lane <rlane7301@...>
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#3104
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Re: Active loop antenna
Hi Ralph, You will need to PM me your email address. Fraser
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Fraser <fraser.castle@...>
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#3103
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Re: Active loop antenna
Hi, add me to the list for the Loop antenna schematic. Ralph
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Ralph Lane <rlane7301@...>
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#3102
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Re: Active loop antenna
Rob, Email me and I'll add you to the list of email recipients for the schematic. Fraser wrote: amplifier. the form resonance output of never it work
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Fraser <fraser.castle@...>
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#3101
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Re: Active loop antenna
Hi, I'd like a copy of the WL500 schematic! It will save me a lot of trouble tracing through the wiring and PC board. Regards, Rob
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Rob Moore <rmoore5@...>
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#3100
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Re: Active loop antenna
Hi Franco, The AOR WL500 uses a MAR6 MMIC from Minicircuits as it's RF amplifier. The WL500 is varacap diode tuned and uses "bulk inductance" in the form of two switched fixed inductors to bring the 2
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Fraser <fraser.castle@...>
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#3099
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Re: Active loop antenna
How about a plain old FET to lower the loading? Keith
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Keith Browning <kbrowning@...>
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#3098
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Re: Active loop antenna
You need strict 50 ohm input and output impedances for these MMICs to work properly which is kind of hard to do with the first amplifier on a broadband antenna ... On a tuned loop with a small pickup
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jr_dakota <SG2112@...>
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#3097
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Re: Loop supports
Oh No...I believe antennas put up in lousy weather last longer. Just my take... ////// Richards ////// =============================================== Bob B. wrote: Now all I need is warmer
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Richards <jruing@...>
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#3095
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Active loop antenna
Hi, On minicircuits.com catalog,there are some interesting mololithic Rf amplifier ERA/MAR series offering good IP3.I would like to know if you have some schematich diagram to homebrew an active
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exnci2000
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#3096
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Re: Is anybody there....
Its hovering around zero degree C here in Toronto, Ontario Larry ve3fxq
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larry allen <larya@...>
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#3094
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Re: Super Loop 40/80m
Thanks for the input. I don't have the lot size or supports to get the loop any higher then what I have which is 30 ft at the highest point. The apex is pointed down and at about 6 foot off the
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willmcray <w6aav@...>
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#3093
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Re: Is anybody there....
Rub it in! It's about 55 degrees here and rainy in San Jose. ____________________________________________________________________________________
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Rob Moore <rmoore5@...>
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#3092
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Re: Is anybody there....
Sorry wasn't paying attention. I was out laying by the pool. 75 degrees here in Phoenix! Steve B. ____________________________________________________________________________________ Do you Yahoo!?
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Steve Baker <mcqueen_34@...>
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#3091
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