[Hackrf-dev] Filter questions

[Brian Gieryk]

Good morning.

What design programs or suppliers are folks using for RF filtering, external to the HackRF?

Looking for band pass specifically, multi band, electronically switchable and capable of TX (HackRF output power level only).

Thanks in advance for any and all ideas and direction!

Brian
KE6IYC

[Dominic Spill]

Post by Brian Gieryk
What design programs or suppliers are folks using for RF filtering, external to the HackRF?
Looking for band pass specifically, multi band, electronically switchable

and capable of TX (HackRF output power level only).

Post by Brian Gieryk
Thanks in advance for any and all ideas and direction!

I'm sure others will have more useful suggestions, especially if you're
planning to design your own, but I wanted to mention that I've had some
success with filters from Mini Circuits -
https://www.minicircuits.com/WebStore/Filters.html

My experience/knowledge tends to end as soon as we hit the analog domain,
so I have no idea how they perform compared to other suppliers or if they
offer products for your more complex requirements.

Thanks,
Dominic

[Brian Gieryk]

Thank you for that lead, Dominic.

My expertise (such as it is) ends at the ADC, haha.

Analog is my bread and butter, so to speak.

Brian
KE6IYC

Sent from my iPhone

Post by Brian Gieryk
What design programs or suppliers are folks using for RF filtering, external to the HackRF?
Looking for band pass specifically, multi band, electronically switchable and capable of TX (HackRF output power level only).
Thanks in advance for any and all ideas and direction!

I'm sure others will have more useful suggestions, especially if you're planning to design your own, but I wanted to mention that I've had some success with filters from Mini Circuits - https://www.minicircuits.com/WebStore/Filters.html
My experience/knowledge tends to end as soon as we hit the analog domain, so I have no idea how they perform compared to other suppliers or if they offer products for your more complex requirements.
Thanks,
Dominic

[Chuck McManis]

FWIW, minicircuits is a pretty common place to go for filters, lnas, etc.
You can get a well characterized unit and be confident it will work the way
you expect. If you have enough RF gear to characterize stuff then you can
find things on tindie and AliExpress which are cost effective. But
consistency and quality can be highly variable.

Post by Brian Gieryk

Post by Brian Gieryk
What design programs or suppliers are folks using for RF filtering,

external to the HackRF?

Post by Brian Gieryk
Looking for band pass specifically, multi band, electronically

switchable and capable of TX (HackRF output power level only).

Post by Brian Gieryk
Thanks in advance for any and all ideas and direction!

I'm sure others will have more useful suggestions, especially if you're
planning to design your own, but I wanted to mention that I've had some
success with filters from Mini Circuits -
https://www.minicircuits.com/WebStore/Filters.html
My experience/knowledge tends to end as soon as we hit the analog domain,
so I have no idea how they perform compared to other suppliers or if they
offer products for your more complex requirements.
Thanks,
Dominic
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