Re: ubitix v4
The transistor must be running really hot! Raj
By
Raj vu2zap
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#64625
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Re: SMD inductors
Please send me Ten as well.? Forever Stamps OK for Payment?? I could also send a Posstal Money Order, I guess....never sent one for so little.... I am Good in the Book Guy Skeer, KD6RGZ
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Guy Skeer
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#64624
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Re: The sun orbiting the earth, spectrum analyzers and the uBITX
Tom Indeed its a nice enough assemble a radio experience for hams around the world. Its issues are sufficiently addressable. Here I was struggling in installing Gordon's external relay board,? only
By
Curt
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#64623
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Re: VCO and display don't match on UbitX?
Bill,? Confused about the replies to your question. Is this is factory firmware in CW mode with a sideTone of 1 KHz perhaps? ? if (txMode == TX_CW){ ? ? //turn off the second local oscillator and
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Gary Anderson
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#64622
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Re: VCO and display don't match on UbitX?
Calibration procedure was described by Farhan. Pl see the hfsignals website. All the best.
By
MVS Sarma
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#64621
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Re: VCO and display don't match on UbitX?
Bill enjoy the cool new rig and take some more data.? a bit larger error than my recent uBITX.? yes the usual convention is to display the (missing) carrier frequency for SSB.? see if data is
By
Curt
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#64620
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Re: Spurs/Harmonics fixes for v4 based on v5 board design?
Hmm The numbers don't seem to add up for this spur.? When at 7.15MHZ it was at 5mhz when at 8.5 it was around 8MHZ spur. Previously uploaded the pic of the inductors in previous post. Two pics show
By
Dave Space
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#64619
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Re: ubitx axicom relay question
#ubitx
Thank you all for the information.
By
Lisa Davis
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#64617
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The sun orbiting the earth, spectrum analyzers and the uBITX
Hi, I was reading something on the history of astronomy and an amusing thought came to mind.? If it weren't for early astronomers banging their heads against the wall trying to explain the complex
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Tom, wb6b
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#64616
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Re: uBITX default frequency
Hi Keith I also have the ubitx ver 4 i would love mine to boot @ 1950? in topband could you help me with this, is it difficult to do this, when i switch on the rig it starts up in 40 mtrs , many
By
John 2e0eii
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#64615
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VCO and display don't match on UbitX?
I just finished a build of the UBitX with the nice blue metal case. I had my first QSO, worked great on 40m from Windsor CT to Winston-Salem NC. I then contacted the same station on my Yaesu FT450d,
By
[email protected]
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#64614
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Bitx40 USB and Winmor
Here's an account of getting the Bitx40 on to Winmor on USB, from a ham who was first licensed in 1963, and who has been completely out of the hobby for decades.? Not much new to report here, just a
By
rick
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#64613
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Re: Efficient Class E generation of SSB Using the EER Method
Define successful.? Its also a bit of a jump from EER amp to generating SSB? using the Khan technique. Right now most of the AM broadcast market is class D or E but that is far easier and?
By
ajparent1/kb1gmx
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#64612
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Re: ubitix v4
I just soldered a third silicon diode between the original ones (the foil cut of course). No distortion anymore. OH3WE Kai
By
Kai Nilakari
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#64611
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Re: SMD inductors
Ill take 10, just tell me pay you prefer wrote:
By
Tominaz
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#64610
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Re: Ashhar Farhan
#ubitx
Sir let me know after sales any service in ubitx ? Sales is only motive ? Vu2nsk
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Sudanthiram N <vu2nsk@...>
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#64609
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Re: Efficient Class E generation of SSB Using the EER Method
73 Bob GM4CID > >
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Robert McClements <gm4cid@...>
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#64608
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Re: uBitX PTT cycling
I put a ubitx in a plastic vcr case Lined the case with aluminum foil tape. Figuring that overlap in the tape would be sufficient to connect the pieces capacitively to one another. Vic, do you do
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_Dave_ AD0B
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#64607
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Re: Efficient Class E generation of SSB Using the EER Method
I have about 5 papers on this some really old. Bottom line, it sorta works. Allison
By
ajparent1/kb1gmx
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#64606
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Re: Efficient Class E generation of SSB Using the EER Method
This method is on theory. Hans and O discussed it last time we met. It was also used on a few early OSCAR transponders. a paper to this effect is listed in EMRFD. - f wrote:
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Ashhar Farhan
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#64605
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