Testing/Teardown of a 4-way 500 MHz to 6 GHz Wideband Wilkinson Power Divider from Werbel Microwave

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Kerry Wong

Kerry Wong

Күн бұрын

Пікірлер
@mikkolankinen3330
@mikkolankinen3330 Жыл бұрын
I don't think there are any additional features on the other side. The design looks like a typical microstrip Wilkinson. Microstrip structures require a solid ground on the other side. Those pieces of wire soldered on the line looks like a tuning stubs used to adjust performance.
@davidgrey943
@davidgrey943 Жыл бұрын
Hi, Kerry there seems to be a dry joint on Ports 3&4 where the connections comes through from the bottom of the board. I am comparing between the Ports 1&2 where the connections from the bottom of the board I hope this observation has prevented a fault later on.
@Manf-ft6zk
@Manf-ft6zk Жыл бұрын
I also realized it but it seems that this wire is partly well connected what might be sufficient. I also look at the fine adjustments (cuts) at the last loops in front of the output. They are identical for the output ports but they are different from the shape of the first divider, what might well make sense. When those fine adjustments are relevant then I wonder about the wires at the through connections, they are hanging over quite a bit coupling with the following lines.
@ElektronikLabor
@ElektronikLabor Жыл бұрын
Thanks for the demonstration. I line the layout of the PCB. I wonder how much of it is based on similation and how much on experience of the layouter
@KerryWongBlog
@KerryWongBlog Жыл бұрын
Don't know for sure in this case, but nowadays most of the RF PCB designs rely heavily on simulations.
@cambridgemart2075
@cambridgemart2075 Жыл бұрын
Very interesting, just slightly spoiled by reflections of your lights on the VNA display making it difficult to read.
@TonyLing
@TonyLing Жыл бұрын
Brilliant
@ElektronikLabor
@ElektronikLabor Жыл бұрын
Am I misunderstanding the specifications or should the unit in the first line be "MHz" instead of "GHz"?
@Bernie_the_Bolt
@Bernie_the_Bolt Жыл бұрын
Yes, it should be 500MHz or 0.5GHz
@pchunter168
@pchunter168 Жыл бұрын
👍
@JouMxyzptlk
@JouMxyzptlk Жыл бұрын
Maybe you have an X-Ray friend so you can look on the other side that way?
@zyghom
@zyghom Жыл бұрын
I am very surprised you did not tear it down properly - that must have been first time on this channel. very disappointed I am now ;-(
@KerryWongBlog
@KerryWongBlog Жыл бұрын
Sorry, didn't take it out as I did want to desolder the SMA connectors.
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