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Old Tektronix A6302 current probe with new TCPA300 amplifier
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r0d3z1:
Hello,
someone know if it is possible to use the older A6302 (or A6303) current probe on the recent TCPA300 amplifier ? In other words, if I change the connector of the A6302 could I connect it to the TCPA300 ?

Here is the picture of the TCPA300 male connector, anyone know the connector brand ?


Thanks
r0d3z1:
it looks like a LEMO FGG https://uk.farnell.com/lemo/fgg-2b-312-clad92z/plug-in-line-12way/dp/8386706
lukier:
It is kinda-sorta possible, but requires some kind of adapter that's more than 1:1 pins, especially Hall supply used to be +-3V in the old ones and is +-5V in TCPA300. Additionally, in TCPA300 there is no input for HALL_OFFSET signal as apparently this is done in the probe (new probes).

Also, PROBE_ID resistances are different in the new probes and while I got some measurements from new probes to replicate, when used on A6032 the scale factors don't match what's on the TCPA3000 display (A/V), so custom probe scaling in the scope is needed for every TCPA300 range.

TL;DR Possible, not easy, not super practical.
r0d3z1:
thank you for the info. I am happy to see that someone else has already try to do the same.
smps:
is the hall sensor of A6303 the same as tcp303? thanks
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