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RF-Switch-JSW2-63DR.php    5926 Bytes    30-09-2024 16:46:09


RF Switch using the JSW2-63DR


A SPDT RF Switch



RF Switch using the JSW2-63DR





✈ Functional Description




This is a possible second source Switch for the Arduino RF Switching Unit : Switchmod. It was designed, because I got some free samples from my colleague. Anyway, soldering is more tricky than the originally used PE-4250. And the used FR-4 kills the wider Bandwidth of 6 GHz.

The traces are arranged in a rectangular shape in order to have the minimum cross-coupling and therefore maximum isolation.




✈ Performance




Was measured at a supply voltage of 3.3 V (Enable) and 0 V / 3.3 V (Control). We used the ARINST VNA-DL 1-8800 MHz for this measurements. It is an awesome tool !

The case was open and no absorbing foam was used.


Insertion Loss RF1 - RFC
Insertion Loss RF2 - RFC


Isolation RF1 - RFC
Isolation RF2 - RFC




✈ Downloads








✈ Share your thoughts



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t1 = 6660 d

t2 = 291 ms

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