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Date
Re: Nextion Display
I see a lot of post about the Nextion display. What advantages does the if have over the mcufriend displays? Jack, W8TEE
By Jack Purdum <jjpurdum@...> · #51083 ·
Re: No Idea
I only wired this 10 wrong ways until I figured it out. Sunil said he was working on a book of instructions to go with his cases. Al KB4RA
By allen west · #51082 ·
Re: Instruction Manual needs revision #ubitx
Jon, Your manual is well written and easy to follow. If setting the calibration and the bfo interact, you may need to add a note in the manual that repeating the setup again may be needed because of
By Tim Gorman · #51081 ·
Re: No Idea
I worked out the wiring for the usb. Had a mini usb that I cut about 12 inches and wired to the usb back socket. I did that so I could use FT8 and other digital modes. I have a picture Buddy that I
By allen west · #51080 ·
Re: Transmitter Mods
I guessed that installing the mod would not affect only 1 band but I thought maybe I bumped something else.? As you suggested I'll wait a few days to see if the band wakes up. -- Lee - N9LO?"I Void
By Lee · #51079 ·
No Idea
First let me thank all who responded to last post, your ideas were a great help putting my uBITX together. I now am at the point where I have no idea how to proceed. I am using a case from Sunils and
By hotrod541@... · #51078 ·
Re: Variable Power Out
Have you thought about lowering the audio signal you have feeding the ubitx? I know I can vary the output power a lot with my two-tone generator by just cranking the amplitude pot on the generator up
By Tim Gorman · #51077 ·
Re: Power supply question
A couple of 5amp or 10amp Silicon diodes (5 watt rating) will give you a voltage drop of about 1.2v or 12.6v feeding the board. I had to crank up my power supply to 15.1v to get a consistent 12v out
By Tim Gorman · #51076 ·
Re: RF power chain mods and improvements..
Yes its a significant issue.? ?When tuning the 28 to 29 mhz range the spur falls in the upper aeromobile and HF marine band.?? Allison
By ajparent1/kb1gmx · #51075 ·
Re: boosting the power on 28 MHz #ubitx
Essentially the same The 2n2222a has a few minor spec notes but they are the same so long as its the TO18 metal part.? Do not expect miracles.? there are a lot of other changes that go with that.
By ajparent1/kb1gmx · #51074 ·
Re: My Ubitx pics
Nicely done!!? WA9DOH mikehagans@...> wrote:
By Larry Smith · #51073 ·
S meter #ubitx #ubitx-help #arduino
Hello everyone i want to ask about the s meter i do it like the diagram Which is includes lm368 when i i programming by ubuub manager i i g the max value same the minimum value i try alot and nothing
By ??? ?????? <hamad.kalid@...> · #51072 ·
Re: BiTX 40 for sale
Hi all, ? The BitX is sold. ?Thanks. 73 Phil W1PJE
By W1PJE · #51071 ·
Re: RF power chain mods and improvements..
Its better to take care of this before it gets to the RF amplification section of the uBITx¡­ Sent: Saturday, June 2, 2018 4:35 AM To: [email protected] Subject: Re: [BITX20] RF power chain mods and
By K9HZ · #51070 ·
Re: Transmitter Mods
Probably 20 was dying when you were listening. See what happens over time. There is nothing in the mod that can affect audio levels.
By Howard Fidel · #51069 ·
Re: BiTX 40 for sale
I will take it... send me PayPal info..
By Dennis Yancey <bigbluedry@...> · #51068 ·
Re: Transmitter Mods
I installed the inductor and capacitors, thanks Howard.? My output changed across the bands.? A funny thing happened.?? The receive audio on 20 meters dropped way off.?? 40 meters is nice and
By Lee · #51067 ·
Re: My Ubitx pics
SWEET!!!!
By VE7CWS WRSeiler <waltrseiler@...> · #51066 ·
My Ubitx pics
Here's a couple pics of my just finished Ubitx project...I call it my Drake TR8 QRP built in a Drake MS7 speaker cabinet...Mike W4ZGI
By Michael Hagans · #51065 ·
Re: Instruction Manual needs revision #ubitx
I have attached my first pass at the "MBITX TUNEUP" instruction, and welcome your comments.? I have aimed for ease of understanding, particularly for newcomers to our interesting hobby.? -- Jon
By tituskz1g@... · #51064 ·