Electronics > RF, Microwave, Ham Radio

Component identification

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kazam:
Hi,

I'm looking at a 1GHz receiver and want to know how the RX chain is built up. I come up empty on these two components though! The LNA and the VGA.

Any thoughts?

/K

elecman14:
The second one may be a clone of a Mini-Circuits ERA-3SM.
https://www.minicircuits.com/pdfs/ERA-3+.pdf

kazam:
Thanks,
I think you're right.

The LNA looks like a Mini-Circuits PSA4-5043+

/K

kazam:
There's something fishy about that LNA... I can't find any LNAs with that case style, what Mini-Circuits call MMM1362, that match.

In my picture it's clearly mounted with gate at top left while all the Mini-Circuit ones have drain there. So it must be another brand.

???

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