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Re: Measuring the output power
Measure the peak-to-peak voltage across a dummy load with an oscilloscope. -- Mike G8GYW
By Mike · #114921 ·
Re: Measuring the output power
A swr meter aint gonna give you a power reading is it, its gonna give you a swr reading, unless you get something like a cross needle power/swr meter or the like, as for the mulitmeter, err i dont
By Michael Newbury SA4MDN · #114920 ·
Measuring the output power
Hello, Beside getting a SWR meter is there a different way to measure the actual power from the ft817? ?Could I use a multimeter? regard,
By on3plz · #114919 ·
Re: Power question - Battery related
Hi, I personally use 4 Li-Ion cells and I get more than enough capacity to tackle mountain outings in QRP. with an excellent power/weight ratio. Since 4 cells produce a higher voltage than the
By Franco Corsi · #114918 ·
Re: Power question - Battery related
Thanks for the info Steve. Sounds like the way to go. Kevin Mullens
By Kevin - K5KTM · #114917 ·
Re: Power question - Battery related
Kevin, The WindCamp Battery is Way OVERPRICED and one of the (3) 3000 Mah Cells will "Fail"even in conservative Use, I know I found it the Hard $ Way. Real 3000 Mah NickelMetalHidride Packs are
By Steve Sawicki · #114916 ·
Re: Power question - Battery related
Well it turned out to be the battery. It¡¯s been working well for a while (10 months or so) but didn¡¯t have enough poot for the radio to recognize it. I ended up putting my much larger 12ah that I
By Kevin - K5KTM · #114915 ·
Re: eBay filters
Thanks John. I don¡¯t have much use for the CW filters as I am an SSB op. Haven't used CW since my test haha. I think I¡¯m going to skip the filter entirely. Doesn¡¯t seem to make enough difference
By Kevin - K5KTM · #114914 ·
Power question - Battery related
Hi all. I am experiencing a weird situation, I apologize ahead of time as I am a newbie to the 817. When I plug in an external battery the radio is not seeing it. I have a car power adaptor which it
By Kevin - K5KTM · #114913 ·
Re: eBay filters
The only good filter is a cw one by Yaesu The Yaesu SSB filter is a bit better. qRP ARCI has an article on them and the graph showed some tighter skirts but I found it wasn't worth $279 Canadian for
By John · #114912 ·
Re: eBay filters
At The Last Local? "Flea Market" I Noticed? TWO FT-817's one a ND and one a original? For Sale,? One? Full "Kit" on the "original" included all of the standard Items items even the whips, battery
By Steve Sawicki · #114911 ·
Re: How to assemble an Collins filter + Board for FT-817/857 and save $$$!!!
I posted *two* (2) vendors. Page down and look for the vendor in *UK*. The *Collins 500hz filter* (w/o board) is showing up overseas but you must *search and evaluate reliability of the vendor*. I
By W6ZZ · #114910 ·
Re: eBay filters
There are a couple of videos on YouTube of them, one in particular has some halfway decent audio and I was able to hear a little difference. The mutants just sounded a little richer in audio. But if
By Kevin - K5KTM · #114909 ·
Re: How to assemble an Collins filter + Board for FT-817/857 and save $$$!!!
The item you posted is no longer available. Clyde KC7BJE
By Clyde Lambert · #114908 ·
Re: eBay filters
Is there a way to implement the MAX4581 IC to use as the filter? Around $2 plus some passive components. Joe N1KHB? Sent from AOL on Android On Sun, Jun 16, 2024 at 12:34 PM, Gigu
By Joseph Wonoski · #114907 ·
Re: eBay filters
OK. The internal Murata filter is CFJ455K-14 (6 Db bandwidth of +- 1.1 - +- 1.3? kHz). The boards available for around $100.00 are CFJ455K-13. I cant find a data sheet on the -13 filter but
By Pat Campbell · #114906 ·
Re: eBay filters
What's insane money?? Collins? is supposed to be good stuff..
By Gigu chan · #114905 ·
Re: eBay filters
What¡¯s the price difference? Gig N2GIG
By Gigu chan · #114904 ·
Re: eBay filters
The Murata filters are similar to the internal filter in the radio. Probably a little tighter bandwidth but not near as good as the Collins mechanical filters. I'm not sure what the filter number is
By Pat Campbell · #114903 ·
Re: eBay filters
Understood but do they work well enough to make a difference? I¡¯m working on a budget and people are asking insane money for the Collins filters, be they OEM or Inrad. Thanks Kevin
By Kevin - K5KTM · #114902 ·