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-   -   rf antennas (https://www.radiobanter.com/antenna/1175-rf-antennas.html)

erdem February 2nd 04 04:20 PM

rf antennas
 
Hi all,

I am looking for rf antennas that could fit into a 1" by 1" plastic
case, operating frequency 500Mhz. They could also be pcb antennas.
Could you suggest me some places to lookfor?

Thanks,
Adam

Gerry February 2nd 04 08:24 PM


" I am looking for rf antennas that could fit into a 1" by 1" plastic
case, operating frequency 500Mhz. They could also be pcb antennas.
Could you suggest me some places to lookfor?


Microstrip Antennas, D. M. Pozar, Proceedings of the IEEE, Vol. 80 No. 1,
January, 1992, page 79 et seq

Or go the Patent Office website (www.uspto.gov) and search for patents
issued to Martin V. Schneider.

73 de W2GERry



JOE February 3rd 04 02:30 AM

What other sorts of antennas are there exactly? Audio? Light?
Tactile?

Thought they ALL were RF in nature....

could be wrong....

JOE


"erdem" wrote in message
om...
Hi all,

I am looking for rf antennas that could fit into a 1" by 1" plastic
case, operating frequency 500Mhz. They could also be pcb antennas.
Could you suggest me some places to lookfor?

Thanks,
Adam




Cecil Moore February 3rd 04 04:21 AM

JOE wrote:
What other sorts of antennas are there exactly? Audio? Light?
Tactile? Thought they ALL were RF in nature.... could be wrong....


Yep, you are wrong. Insects had antenna millions of years before man
ever walked the earth. In fact, the word "antenna" comes directly
from the insect world and was adopted for RF antennas, because they
reminded someone of insect antenna.
--
73, Cecil http://www.qsl.net/w5dxp



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W4JLE February 3rd 04 04:49 AM

That certainly would explain why the plural of the two different types are
different.

"Cecil Moore" wrote in message
...
JOE wrote:
What other sorts of antennas are there exactly? Audio? Light?
Tactile? Thought they ALL were RF in nature.... could be wrong....


Yep, you are wrong. Insects had antenna millions of years before man
ever walked the earth. In fact, the word "antenna" comes directly
from the insect world and was adopted for RF antennas, because they
reminded someone of insect antenna.
--
73, Cecil http://www.qsl.net/w5dxp



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-----== Over 100,000 Newsgroups - 19 Different Servers! =-----




Brenda Ann February 3rd 04 06:07 AM


"W4JLE" w4jle(remove to wrote in message
...
That certainly would explain why the plural of the two different types are
different.


I believe that both plurals (antennas and antennae) are correct. One is
simply the Latin plural, and the other the Anglicized plural.




W4JLE February 3rd 04 06:28 AM

Nope, antennae only applies to bugs, the devices used to receive radio waves
are antennas.

"Brenda Ann" wrote in message
...

"W4JLE" w4jle(remove to wrote in message
...
That certainly would explain why the plural of the two different types

are
different.


I believe that both plurals (antennas and antennae) are correct. One is
simply the Latin plural, and the other the Anglicized plural.






erdem February 3rd 04 01:50 PM

Actually I am not trying to design antennas ( 500Mhz to 1Ghz- I guess
this gives you information about what sort they are), I am trying to
buy them on a pcb or small chips that could be mounted on a PCB.

Thanks,
Adam


"JOE" wrote in message ...
What other sorts of antennas are there exactly? Audio? Light?
Tactile?

Thought they ALL were RF in nature....

could be wrong....

JOE


"erdem" wrote in message
om...
Hi all,

I am looking for rf antennas that could fit into a 1" by 1" plastic
case, operating frequency 500Mhz. They could also be pcb antennas.
Could you suggest me some places to lookfor?

Thanks,
Adam


Cecil Moore February 3rd 04 03:17 PM

W4JLE wrote:
That certainly would explain why the plural of the two different types are
different.


My guess is that the plural for insect antennae came from Latin
and the plural for RF antennas came from a more modern language.
The word "antenna" entered the English language around 1646
from Middle Latin according to my dictionary. There were no
RF antennas in 1646, at least not on purpose.
--
73, Cecil http://www.qsl.net/w5dxp



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Cecil Moore February 3rd 04 03:19 PM

Brenda Ann wrote:
I believe that both plurals (antennas and antennae) are correct. One is
simply the Latin plural, and the other the Anglicized plural.


My unabridged dictionary says that antennas is the plural of
RF antenna and antennae is the plural of insect antenna.
--
73, Cecil http://www.qsl.net/w5dxp



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