Full Version: H-field pre-amplifier PCB and ferrite antennas
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For the system blue H-field pre-amplifier PCB - a few questions:

1.  Do the ferrites connect between just the a and b ports with the ground port left unconnected unless additional shielding is needed?

2.  Is there any polarity to the ferrites - I see references to one enameled wire with a knot being + or is this for the old system only.

3.  For ferrite antennas do the PCB jumpers need to be soldered (closed).

Thanks in advance!
A single ferrite antenna will connect to A1 and A2, and the ground is there for shielding if you decide to shield the antenna.

Polarity does not matter.

No the PCB jumpers do not need to be soldered closed.