Table 2 The BIC unit's recording capabilities and general properties.

System recording capabilities

 Recording channels

32

Sampling rate

1kHz

 ADC resolution

16 Bits

Frequency band-pass

~ 2 to 325 Hz

 Amplification gains

750× (57.5 dB), 375× (51.5 dB), 188× (45.5 dB), 95× (39.5dB)

 Max. input voltage

4–30 \({{\text{mV}}}_{{\text{pp}}}\) (dependent on the amplification gain)

System general properties

 Implant dimensions (mm³)

67 × 38 × 7

Power supply

Wireless

 Stimulation frequency range

Single pulse-200 Hz

Max. stimulation pulse current

6.12 mA

 Stimulation pulse width range

10–2500 µs

Charge balancing counter pulse

4× pulse width

 Stimulation pulse shape

Asymmetric rectangular and biphasic fashion

 Communication

Bi-directional, radio frequency (2.45 GHz), 5 Mbit/s

 Powering

Inductive 120–140 kHz Power regulated on implant demand

 BIC reference

Any electrode contacts or group of electrode contacts