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Fig. 4 | Journal of NeuroEngineering and Rehabilitation

Fig. 4

From: Traumatic brain injury neuroelectrochemical monitoring: behind-the-ear micro-instrument and cloud application

Fig. 4

The manufactured flexible PCB. The mico-instrument: a The realisation of the design on a flexible four-layer PCB consisting of: (i) the printed planar inverted-F antenna and matching circuit, (ii) the power regulation block, (iii) the ECoG AFE with six channels, (iv) the CC2650 microcontroller, (v) the programmable gain amplifier stage with a built-in multiplexer - PGA117 (vi), the programmable potentiostat, (vii) the dual-channel amperometry AFE and (viii) the dual-channel potentiometry AFE. b The folding of the device. c The folded device occupying half the original area

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