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Cross Country Wireless Loop v4
Hi,
I've decided to make the investment in a better loop antenna to the MLA30+ that I have and am night really impressed with. I notice that in addition to the loop amplifier++ that they have offered
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Owen
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#17115
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Re: File /FET Follower Project.pdf uploaded
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Or
Cat5e ( external use, solid copper not cheap crap) with common mode chokes fitted..ala LZ1AQ ( what i use, what a difference they make!!!)
If done properly, turn preamp off zero pickup, (
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Simon
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#17114
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Re: File /FET Follower Project.pdf uploaded
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Roger,
You can get better results using a FT240-75 toroid with 25 turns of RG316 coax.
Everett
Sent from the all new AOL app for iOS
By
Everett N4CY
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#17113
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Re: File /FET Follower Project.pdf uploaded
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IIRC Dallas liked twisted pair because he found it has less noise pickup than coax.
Roger
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Roger Need
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#17112
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Re: File /FET Follower Project.pdf uploaded
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I understand 50¦¸ and sometimes 75¦¸ are standards for common coax cable.
For phased wiring of receive antennas, ingress must be kept as close to zero as possible,
twisted pairs (or Cat5/6) are good
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Mikek
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#17110
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Re: File /FET Follower Project.pdf uploaded
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Mikek,
Most people use 50 ohms these days, so all of my designs are using?50 ohms.
Everett
Sent from the all new AOL app for iOS
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Everett N4CY
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#17109
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Re: File /FET Follower Project.pdf uploaded
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Hi Everett,
I'm curious about the 50¦¸ output impedance, Dallas always said it was close to 100¦¸ output and you have a 1 to1 output transformer.
I have a couple 2 FET amps, When I get some time I'll
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Mikek
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#17108
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Re: File /FET Follower Project.pdf uploaded
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1uF
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Everett N4CY
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#17107
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Re: File /FET Follower Project.pdf uploaded
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J310's in TO-92 are hard to find and J271 is obsolete by Mouser still has stock of both but at 10x the price of the drawing. .? What is the size of the capacitor marked 1 in the drawing ?? 1 pF, 1
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Roger Need
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#17106
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File /FET Follower Project.pdf uploaded
#file-notice
The following files and folders have been uploaded to the Files area of the [email protected] group.
* /FET Follower Project.pdf (
By
Group Notification <noreply@...>
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#17105
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Re: Dallas Lankford Antenna Files
Hi John,
My response was to Dennis Sylte about watching Stan Freberg on Youtube.
However, I do appreciate the link you provided. however, it only covers a few of the antenna files I have of Dallas's
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Mikek
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#17104
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Re: Dallas Lankford Antenna Files
Mikek, only mentions of
Dallas Lankford I saw on YouTube were by other people reporting
on using his designs. Dallas wrote many, many articles on
antennas and radios. Most can
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John Kolb
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#17103
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Re: I just added a preamp file with a long description
It took me a second to figure out I had to open it to read the description.
Looks fine except, it says "By Mikek" that is not my writing that is Dallas's writing.
Although I did remove a few Items so
By
Mikek
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#17102
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Re: I just added a preamp file with a long description
I see you moved it to Photos. I added the description to it, it doesn't shrink the photo.
I think the description is important.
--
Steve Greenfield AE7HD
By
Steven Greenfield AE7HD
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#17101
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Photo Dallas 2 FET amp.png uploaded
#photo-notice
The following photos have been uploaded to the Dallas 2 FET Preamp ( /g/loopantennas/album?id=284757 ) album of the [email protected] group.
* Dallas 2 FET amp.png (
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Group Notification <noreply@...>
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#17100
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Re: Dallas Lankford Antenna Files
Stan Freberg produced a lot of humor that was great on radio including an advertisement he did for a radio broadcasters convention. As well as others. Freberg was a master of/for radio!!!
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Dennis Sylte
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#17098
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I just added a preamp file with a long description
I just added a preamp file (to the Files section) with a long description, I didn't know it would take up 1/2 a page. I will remove it after a few views and feedback and at least post the
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Mikek
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#17094
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File /Amplifiers and Preamplifiers/Dallas 2 FET amp.png uploaded
#file-notice
The following files and folders have been uploaded to the Files area of the [email protected] group.
* /Amplifiers and Preamplifiers/Dallas 2 FET amp.png (
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Group Notification <noreply@...>
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#17093
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Re: Dallas Lankford Antenna Files
Never heard them before, i just listened to one on Youtube.
Mikek
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Mikek
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#17092
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Re: Dallas Lankford Antenna Files
¡°Just the facts mam.¡± Is a line in Stan Freberg¡¯s parody of Dragnet.
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Dennis Sylte
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#17091
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