you should decrease the distance between pins because FR4 board has bad tan delta and with narrow span you have high losses. Encrease the span about 20% and more of the frequency and you will be ok
This is great, the first time I saw this was here th-cam.com/video/drwGvATLNaw/w-d-xo.html. Unfortunately he did not continue the series. I've been itching to try it out ever since and you have built some really cool classic circuits this way. Very inspiring!
Have you ever thought about designing a microwave "breadboard" PCB that could be printed cheaply? You could put nice pads for SMA connectors around the outside, maybe put several sections to fit "standard" sizes of metal covers with a nice ground around (also giving accessible low impedance grounding). You could also use a four layer board, and on the opposite side to the RF area put some regularly spaced SMD pads on the back for biasing components and leave handy vias around. I'm sure you'd have much better ideas for this, and it would be a nice way to get people started on this method as PCBs are cheap but getting setup is not so easy
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This is voodoo electronics, you're starting to transcend.
Hahahahahahahaha 🥷
Fantastic design. Very cool.
please make a video about design and fabrication of the hairpin filter
Just posted this article
gusbertianalog.com/frequency-multiplier-with-pin-diode/
you should decrease the distance between pins because FR4 board has bad tan delta and with narrow span you have high losses. Encrease the span about 20% and more of the frequency and you will be ok
Thank you!!
The scope goes to 1.2GHz?
The scope goes to 4GHz
This is great, the first time I saw this was here th-cam.com/video/drwGvATLNaw/w-d-xo.html. Unfortunately he did not continue the series. I've been itching to try it out ever since and you have built some really cool classic circuits this way. Very inspiring!
Have you ever thought about designing a microwave "breadboard" PCB that could be printed cheaply? You could put nice pads for SMA connectors around the outside, maybe put several sections to fit "standard" sizes of metal covers with a nice ground around (also giving accessible low impedance grounding). You could also use a four layer board, and on the opposite side to the RF area put some regularly spaced SMD pads on the back for biasing components and leave handy vias around. I'm sure you'd have much better ideas for this, and it would be a nice way to get people started on this method as PCBs are cheap but getting setup is not so easy