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This is my attempt at documenting the BITX V4 designed by 2E0ZHN. 

My objective is to build the a multiband( or at least dual band BITX for 40 and 20M) with atleast 10W+ power out on the HF bands.

As with any major project, the assembly will be split into sections and subsections to simplify troubleshooting.

This build will be split into 4 phases:

1. Bitx V4 Exciter (with 10Mhz IF)
2. Si 5351 VFO+BFO (Arduino based)
3. Linear Amplifier ( Driver+Power amplifier+Filters)
4. Boxing up and Final Touches

I will update this post as I progress in my build.

BITX V4 SMD PCB 

Many thanks to VU2ESE, OM Farhan (Original Designer), 2E0ZHN, OM Eli(Modifications and PCB), and SWL Mahendra (PCB) for the wonderful project.

All components for the project were procured from Shelfkey and Sunrom Electronics (India).