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Re: Bitx-40 Arrived Today - Advice Solicited on My Plan


Mike Short
 

Assemble it and test it to make sure it works. Are you going to do the amunter mods to add CW, etc?
If so, just assemble it and make the mods one at a time and test.?

When you have a fully functional radio put it in the case and keep the wires as short as possible. Twist the wires going to each jack, plug, button, etc. Make sure you have a common ground for everything.?

If going in a plastic or wood case you don¡¯t have a case to provide a common ground. Connect negative and antenna ground to the corner of the board with a ground lug. All control grounds also need to be connected to the board as well. Use a ground lug on the corners, keeping the wires short as possible.

On Sat, Feb 23, 2019 at 9:51 AM Pat Anderson <anderson5420@...> wrote:
Thanks, good suggestions all. I assume you do as much of the wire up as possible on the bench, and then put it in the case?

On Fri, Feb 22, 2019 at 7:32 PM Curt via Groups.Io <wb8yyy=[email protected]> wrote:
Pat

Just a few things. I would do some partial assembly of the raduino, main board etc to get a feel for things. Many in qrp community like bnc, of course idea is to do it the way you want it. For some folk in the world, that ptt and microphone element get them on the air. Yes normally open ptt.

I suggest wiring up both headphone and speaker. You may find audio output lacking to drive a speaker. Some folk use an external amplified speaker, or add an internal audio amplifier.

I suggest you visit some websites from around the world that describe bitx assembly.

Curt

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