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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: IEEE Trans Biomed Circuits Syst. 2016 Sep 16;10(5):979–989. doi: 10.1109/TBCAS.2016.2577705

Fig. 11.

Fig. 11

(a) Headstage current sensor calibration curve for different electrode-tissue impedances. (b) Measured stimulus current across the 1 kΩ current sensing resistor in Fig. 2b (2 during anodic and 6 during cathodic phases) and transmitted from the headstage via BLE1 link while the animal was freely moving in the homecage.