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Maybe Jerry's idea of only boosting on TX would be the way to go in removing any hash. Jack, W8TEE To: [email protected] Sent: Tuesday, January 2, 2018 4:56 PM Subject: Re: [BITX20] Variable power

I'm adding this to my development ?BITX: Check on ebay #172488451918 Jack, W8TEE To: [email protected] Sent: Tuesday, January 2, 2018 5:03 PM Subject: Re: [BITX20] Tell me your favorite uBitx mods A

That is fine Joe. Every board will not behave the same or even meters read the same. Check why there is no RF getting to the finals.

Much of the rig power during receive is going to the Nano and display and si5351.?? Could cut that significantly with a 12 to 3.3v buck switcher (using 3.3v display and processor) if you could get

Hi: I had a sweep feature on a different branch that I've merged in for general use.? Documentation is updated as well.? Basically, it's a simple way to sweep any of the clocks through a range,

Ordered same box as well. Thanks for great feedback. what did you do for the speaker?

You can build an excellent W3NQN BC filter for about $5. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois Owner

Bill, Thanks for the good idea (and John for your input too).? I ordered the heatsink as opposed to my original idea of mounting to the metal case (isolated).? Still waiting for the ubitx and the

Incidentally, it would be nice to see exactly how your particular layout differs from that of hfsigs. Can you upload a picture or two? And I presume it is more through-the-hole and not smd parts. No?

Good job, Alex: The more you explain, the more it looks like there is VHF oscillation occurring at the lower frequencies. Jerry's suggestion of adding 10 ohm resistors to the gates is designed to

?I thought he was trying to create a tiny "antenna" to allow you to listen with another receiver and ascertain which STAGES were ampplifying..... ________________________________ Sent: Tuesday,

Me too! I even turned up the bias pots a little. Didn't help. I also removed the radio from the box and set it up again with jumpers, also with no effect. Raj I am not sure exactly what you mean re:

Hi Gordon, Fantastic idea. I would be interested 73's Mans. 9H1GB

?rats. wished it could have been something simple..... sorry..... ________________________________ Sent: Tuesday, January 2, 2018 6:10 PM To: [email protected] Subject: Re: [BITX20] No TX #ubitx Just

Just got home from work and checked: brown wire properly hooked up. I measure 13.5v to the heatsink? w/o the key down and ~13v with it keyed.

I got my CW working pretty reasonably. I did all the changes below in John Pieper's suggestions. I also took out a write to the serial port that I thought might slow things down. I took out the 5 mSec

Thanks John and Jerry for the supportive comments. Here are some replies: Are you sure you are using SSB? And the amplifier class is really AB? Remember, SSB output is Pk-Pk, while AM is "100%

Hi Jerry, Thanks for confirming this. As I am going to be using a 3MHz VFO I think I will have a go and see if I can increase the BFO frequency up so it is above the crystal filter (or about 20dB down

They come in 3s, yes. Any multiple of three is a valid order quantity. This is an artifact of how they manufacture the boards. These boards are small enough and hence cheap enough it hopefully won’t

Yes, a switcher is much more efficient than a linear regulator, but amps of current getting switched at one mhz or so can create hash you hear in the receiver if? not properly filtered and