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. 2017 Oct 19;17(10):2388. doi: 10.3390/s17102388

Figure 8.

Figure 8

(a) Probe testing in saline solution attached to headstage, showing the back-end FPGA board in the background; (b) detailed view of probe and headstage connected to the mezzanine PCB (printed circuit board) through the flexible dual micro coaxial cable; the mezzanine board allows for connection of external battery for low noise and digital synchronization signals; (c) schematic display of probe implanted into animal.