Table 1.
Nomenclature that is used in describing the system.
Fig 1.
Model of a signal return path in an ESC IBC system.
(a) A complete circuit model and (b) a simplified circuit model of a transmitter and a receiver with different battery-powered sources.
Fig 2.
The model of an ESC IBC syatem, (a) the RC circuit model, (b) the simplified circuit model.
Fig 3.
(a) Grounded high-pass system; (b) grounded low-pass system; (c) ungrounded high-pass system.
Fig 4.
Diagram of the experiment setup.
(a) The measurement of the grounded high- and low- pass system, and (b) of an ungrounded high-pass system.
Fig 5.
The evaluated body impedances of the subjects.
Table 2.
Evaluation results of the body impedance in Fig 2 and corresponding measurement parameters.
Fig 6.
A random digital signal expressed using Eq 11.
Fig 7.
Diagram of a random digital signal transmitted through a band-limitted channel Eq 12.
Fig 8.
Normalized vnm versus different data transmission rate in the range of 500k−60M bps at the various fh values between 1k and 1M Hz.
Fig 9.
Diagram of mean amplitude calculated from Eqs (17) and (18) versus different data transmission rate.
Fig 10.
(a) Data transmitted directly. (b) Data coded with Manchester code.
Fig 11.
Measurement setup of the channel noise of the ESC IBC system.
Fig 12.
Measurement results of body noise from 60 Hz power line.
Fig 13.
(a) Data transmitted directly. (b) Data coded with Manchester code.
Table 3.
Optimum range of the data transmission rate, fb, for signals coded with Manchester code.
Fig 14.
Experimental setup of the measuring (a) eye diagram and (b) typical waveform.
Fig 15.
The measured eye diagram of (a) the data transmission directly and (b) the data coded with the Manchester code.
Fig 16.
Typical waveforms of the amplifier outputs, (a) RL = 50kΩ, (b) RL = 20kΩ and (c) RL = 10kΩ.