darius

electronics | learning RF

[darius @DZalnasky]

@realwillreil Bro use osh stencils. Got a single board stencil for like $5 plus shipping iirc. Make one that has the stencils for multiple boards and you’ll save so much time

[darius @DZalnasky]

@realwillreil What pick and place machine is it?

[darius @DZalnasky]

@Teku @justinplaygame @realwillreil I think it might be. This is like the 3rd time he’s pasted the exact same message in these threads

[darius @DZalnasky]

@AWeirdPhysicist @8753cFan only started using twitter like a week ago. new to this whole building in public thing

[darius @DZalnasky]

@8753cFan Lol I’m doing exactly this

[darius @DZalnasky]

Building this RF mixer for SDRs. Finally got off my ass and put together the controleo3 reflow oven so I can hand assemble the PCBs.

Plug in USB-C, control the local oscillator frequency from your computer, and receive or transmit on higher frequencies.

1/

[darius @DZalnasky]

@arshavsky I grounded my skull to prevent emi problems

[darius @DZalnasky]

@MehdiHacks More like Ansys HFSS, but there’s open source EM solvers like EMerge and openEMS. I think the guy making EMerge has started working on a gui. There’s a way to link both of them with freeCAD to run sims directly from freeCAD

[darius @DZalnasky]

@DeltaClimbs If it doesn’t look like it’s from the future I don’t want it

[darius @DZalnasky]

@ZPEdisclosure Dope hoodie but goodbye opsec

[darius @DZalnasky]

https://t.co/vuhotk2rk3

3/

[darius @DZalnasky]

Building this RF mixer for SDRs. Finally got off my ass and put together the controleo3 reflow oven so I can hand assemble the PCBs.

Plug in USB-C, control the local oscillator frequency from your computer, and receive or transmit on higher frequencies.

1/

[darius @DZalnasky]

0-4GHz input, up to 10.4GHz output. Already thinking of adding a gain block on the output of the synthesizer so the mixing loss isn’t so high.

Waiting on some 50ohm terminations and antennas before I plug it in. Not tryna damage anything already

2/

[darius @DZalnasky]

@_Stocko_ Working on a RF module to expand SDR frequency capabilities
https://t.co/otAiB5eopr

[darius @DZalnasky]

Building this RF mixer for SDRs. Finally got off my ass and put together the controleo3 reflow oven so I can hand assemble the PCBs.

Plug in USB-C, control the local oscillator frequency from your computer, and receive or transmit on higher frequencies.

1/

[darius @DZalnasky]

@nzevh_ Check out Phil’s lab on YouTube, he has videos on routing DDR3 I believe. Should be similar to LPDDR4 albeit with some differences.