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I design a case for my uBITX. see the attached PDF File.? I print them on my 3D Printer and have had very good feedback from the ones I have sold.? Take a look.

Outstanding Schematic and SMD source.? What value SMD's do you think these are? I see 0603,0805, 1206.? What is the standard size using for electronic projects like these? Thanks for your

It is powered off the batteries from my solar system, 12vdc system used only for my ham radio station, no inverter (yet).? Four large deep cycle batteries charged by an MPPT Controller.? I check it

Hi Walter, There is a clear schematic at the following location (found on the hfsignals site): UBITX v3 pdf ( http://www.hfsignals.com/wp-content/uploads/2017/12/ubitxv3.pdf ) This is for version 3

I totally agree with you Michael.? I think some realized it after they got things together.? I've seen them put the large 4 or 8 pin mic jacks next to the tuning knob.? That would drive me

Hi Walter, What are you using to power your UBITX? If you are using a power supply plugged into your wall, this may be coupling 60 (50?) Hz noise into your rig. If you are powering it from the wall,

I ordered mine on the 29th of December 2017, and I haven't gotten notice of shipping yet. Dan W2DLC

Carl, Bad connection on the power jack, see if you can find another jack from a discarded walwart the fits snugly. Some have a slightly small hole and can be drilled to enlarge to fit. Raj

Well, I just got a paypal notice that the tracking of my uBitx as been issued. I ordered my uBitx on Jan 2 and today is Feb 28. So soon I'll have the uBitx in hand, not sure when I'll get a chance to

Have you already aligned the PA BIAS and PA DRIVE according to the instructions on hfsignals.com? * Attach a dummy load to the antenna * Insert a ammeter (you may use your VOM meter in high amps

I notice while using headphones with my new UBITX that there is a low level hum in my headphones.? I only seem to notice this with the headphones at low volume. Is there a fix for

If I use the Speaker jack with headphones, then I naturally have to turn the audio down very low.? However, if doing digital modes then the audio is too low for the signal link.? What would I need

Hi everyone. I recently received the ubitx and have wired it up but am not getting any audio signal. When I initially wired it up I accidentally had the PTT shorted to ground causing it to go into

i Noticed the volume switch has an on/off switch built into it.? perhaps I will connect this in line with the speaker jack and turn it off before plugging and unpluggings speakers and

Last night while trying various speakers, smoke started rolling out of my uBitx. ?The audio IC U1 was fried. ?I'm assuming the audio line shorted while inserting plugs. ?They are cheap (5 for $6)

Where can I download a better Schematic of the UBITX?? I cannot read the one off the website the resolution is low. I need the resistor values for R63 and R60.? I did the dynamic mic mod and may

Mr. Farhan,? Kicad seems to have become somewhat easier to tackle from the last time I fought with it. Last time was on Linux, this time on Mac....sure seems to be easier to work with, looks like I

I put my display on the right primarily to avoid blocking the USB port on the Raduino with another control. I can quickly lift the lid on my BitX40 and plug in to adjust the sketch without having to

Rdeduce the value of100 ohms battery feed to lm386 to say 20 or 10 ohms. Just get a 12 ohm and place above 100 ohm and solder.

Hi, I am getting a buzzing coming through the speaker on my bitx40. Oddly this seems to quieten or completely disappear when I wriggle the power in the back of the case?? Could this be ground related?