Re: the 50k ohm pot
Yeah, I'm pretty sure what he's referring to. but he says: ?I followed the detailed instructions on the 49er board and left the pot out but in one of the pictures I see the pot installed.? did
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jjpurdum
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#301
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Re: the 50k ohm pot
Jack, I think he's referring to the image of the unmodified 49'er in the 49'er DDS/VFO manual.. That little square white and blue pot. That is the one that is not installed on the DDS/VFO.. Steve NS3L
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hdskullfire2@...
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#300
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Re: the 50k ohm pot
OK, I recall that part, but I can't find the photo you're referring to. Where is that? Jack, W8TEE To: SoftwareControlledHamRadio@... Sent: Friday, May 13, 2016 11:45 AM Subject: Re:
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jjpurdum
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#299
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Re: the 50k ohm pot
I am at work now but it is the one that had 3 prongs and we had to pur a jumper in its place. On the instructions its not there but in one pic with the green bci filter it shows up
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K7NDM.nate@...
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#298
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Re: My Forty-9'er w/DDS-VFO progress..
Nice! You have way too much nice test equipment. You need to give some of it away...to me! Jack, W8TEE To: SoftwareControlledHamRadio@... Sent: Friday, May 13, 2016 11:37 AM Subject:
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jjpurdum
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#297
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My Forty-9'er w/DDS-VFO progress..
I've been doing pretty good with my progress do far.. Awaiting a ABS Project case, standoffs, and some other stuff.. Hopefully have something other than a couple pcb's and cables.. I've created an
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hdskullfire2@...
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#296
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Re: the 50k ohm pot
Which pot are you referring to? Jack, W8TEE To: SoftwareControlledHamRadio@... Sent: Thursday, May 12, 2016 11:27 PM Subject: [SoftwareControlledHamRadio] the 50k ohm pot ? I followed the
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jjpurdum
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#295
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the 50k ohm pot
I followed the detailed instructions on the 49er board and left the pot out but in one of the pictures I see the pot installed. did something change?
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K7NDM.nate@...
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#294
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Re: Looking to gather the parts
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px #715FFA solid !important; padding-left:1ex !important; background-color:white !important; } Hi hi Marty WD9GYM Sent from Yahoo
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Marty Boroff
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#293
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Re: Looking to gather the parts
I'll be the fat old guy with a name tag that has "Jack Purdum" on it!! ?I may be wearing my favorite Tee shirt: ? ?There are 10 types of people in the world:? ? ? Those who understand binary?
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jjpurdum
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#292
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Re: Where to purchase a enclosure for my DDS/VFO 49'er?
I bought the enclosure from Amazon, but they no longer carry it. My future projects will use on of these: Catch All Acrylic Boxes ($9.95-$23.21) | | | | | | | | | | | Catch All Acrylic Boxes
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jjpurdum
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#291
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Re: Looking to gather the parts
Thanks Jack! Good info on the page and I ordered a PCB kit. Now just need to find the other parts. I should see you at FDIM. I've signed up for all the activities. I'll be the older pudgy, grey haired
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Dave Redfearn, N4ELM
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#290
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Re: post the article to Files section?
Brian, Go check out the web page at: DDS VFO Kits http://www.farrukhzia.com/k2zia/ http://www.farrukhzia.com/k2zia/ DDS VFO Kits http://www.farrukhzia.com/k2zia/ Nano DDS VFO Rev_2 (3 30 MHz) by
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Dave Redfearn, N4ELM
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#289
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Where to purchase a enclosure for my DDS/VFO 49'er?
Who has found a good source for enclosures? Any solid color ones with cutout/s for the Display? I'd like to purchase an enclosure for my DDS/VFO 49'er similar to the one in the QST article, but a bit
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hdskullfire2@...
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#288
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Re: Looking to gather the parts
Hi Dave: If you want to use a PCB, Farrukh is selling them at a pretty good price: DDS VFO Kits | | | DDS VFO Kits | | | I'll be at the FDIM conference...perhaps we can have an eyeball QSO then. Jack,
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jjpurdum
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#287
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Looking to gather the parts
I read the QST article and while it looks like a good project to learn about controlling DDSs with Arduinos, I was not too impressed with the RF part. My plan is to get all the DDS & Arduino & LCD &
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Dave Redfearn, N4ELM
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#286
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Re: 49'er - Power supply voltage vs Wattage out??
It's all in the antenna. Amen to that! I honestly believe that, dollar-for-dollar, putting cash into the antenna usually pays bigger dividends than almost anything else. As to me, I have a crappy
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jjpurdum
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#285
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Re: 49'er - Power supply voltage vs Wattage out??
Thanks Jack, I'm not planning on running it higher. If I can get 1.8W out of it I'm OK with that. I just wondering why the wattage levels vary so much.. In my case I got the 1.8W into both a dummy
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hdskullfire2@...
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#284
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Re: 49'er - Power supply voltage vs Wattage out??
I ran my 49-er at 11.5 volts accidentally and destroyed the original D882. Up until it smoked, I was getting around 5-6 volts out. When I replaced the D882 and adjusted the output of R1, I'm now
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Aaron Heverin <aaronhev@...>
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#283
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Re: post the article to Files section?
Yes, and my county library system will absolutely not copy any type of copyrighted material and has warnings posted at the self use copy machines not to use them to copy copyrighted material. Dave,
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dfine01
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#281
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