eego amplifier EE-21x EE-22x User Manual
Rev. 5, DRN-PDO-1664 9 of 26 2016-07-11
2 THE EEGO AMPLIFIER, HARDWARE SETUP DESCRIPTION
2.1 THE EEGO AMPLIFIER
The eego amplifier device has been designed for ultra-mobile applications of high-density EEG and
other electrophysiological signals. The compact electronic device is battery-powered and gives access
to 64 referential input channels as shown in Figure 2-1 or only 32 channels as shown in Figure 2-2.
Some variant restrict the number of channels to 16 but they still use the EEG IN 1 connector.
At the rear (Figure 2-3 and Figure 2-4) 24 additional bipolar input channels can be connected
(optional, not for all amplifier types). Further a USB connector (plug type B, straight) provides access
to data communication and hardware control.
Figure 2-1. The eego amplifier EE-211 amplifier shown from the front. The amplifier (white) is mechanically protected by
the eego amplifier soft-shell (blue). Two high density connectors (EEG IN 1 and EEG IN 2) provide access to 64 shielded
referential inputs, reference and ground. The openings allow securing the amplifier, e.g., on the table.
Figure 2-2. The eego amplifier EE-212 shown from the front. Only 32 shielded referential inputs are available.
Trigger input can be recorded from devices that deliver TTL output. The high-density connector at the
back side, next to the USB connector, provides 8 independent input lines and a ground connection.
The trigger ground and the trigger lines are electrically isolated from the other electrical parts of the
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