Technical Topics > Equipment
Best MWDX antenna?
pinto vortando:
The pigtail that came with my AN-200 is equipped with a 3.5mm stereo plug. Plugging it into the AN-200 results in my reading continuity between tip and sleeve.
There is no continuity from the ring to either tip or sleeve. Plugging in a mono plug also gives continuity tip to sleeve.
To add to the possible confusion, the reviewer in the post #23 link called it a mono plug and the antique radio forum poster linked in post #27 opened up an AN-100, not an AN-200.
My AN-200 does not look like it can be easily taken apart without possibly destroying it so for now my guess is that the tip is the antenna connection.
Also, FWIW, be aware that the external antenna jack on portable radios can be mono, or in some cases, stereo. The owner manual may not be very clear regarding which type.
You will have to make the proper determination for yourself.
RobRich:
I use a mono cable to hookup the AN-200 if needed. An 1/8" connector to 1/8" connector for portables, or an 1/8" connector to RCA connector with the appropriate adapter for desktops. Not sure I bothered checking the hookup for continuity, but it works as expected, so.... :)
As pinto vortando noted, the AN-200 also works nicely for coupling other antennas for MW to portables. I have used it to couple my 148' LoG to various portables. The AN-200 loses directivity of course, but it still maintains enough circuit Q to continue working as a passive preselector.
alpard:
Managed to dig out my AN-200 from the attic. I had a close peak on the 3.5mm input jack on the AN-200, and it says "Antenna Output".
This made me think that the pig tail 3.5mm connects to the input socket of the AN-200 which says "Antenna Output", and could be connected to my R75 PL259 via adaptor. It worked very poorly, and I threw it away to the attic for all that time.
pinto vortando:
--- Quote from: alpard on April 17, 2021, 1519 UTC ---Managed to dig out my AN-200 from the attic. I had a close peak on the 3.5mm input jack on the AN-200, and it says "Antenna Output".
This made me think that the pig tail 3.5mm connects to the input socket of the AN-200 which says "Antenna Output", and could be connected to my R75 PL259 via adaptor. It worked very poorly, and I threw it away to the attic for all that time.
--- End quote ---
The AN-200 probably won't do much for your R-75. It is intended more to improve reception of a portable.
~SIGINT~:
--- Quote ---pinto vortando - Plugging it into the AN-200 results in my reading continuity between tip and sleeve.
--- End quote ---
Thank you for that additional information. My surplus AN-200 was missing the cable and I found it odd that they would have used ring and sleeve. I did initially check all of the possible combinations with my LCR meter but could not determine which pins were active. It is possible that there is something wrong with my antenna. It did come from a surplus store after all.
As with yours, my AN-200 did not look like it could be easily dismantled without potentially damaging it.
As mentioned earlier in post #7, I subjected the NooElec Flamingo filters I purchased to some bench tests late this past afternoon. More to follow. I will post the results here on this thread.
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version