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The Head Stage for the Neuroprobe Amplifier is designed to assure
the user flexibility in application as well as optimum recordings.
It can be mounted in a standard micromanipulator, and its small
size (0.44" diameter; 4" long) insures its adaptability
to various experimental conditions. The mounting rod can
be attached either to the end of the head stage for a vertical
experimental configuration or to the mounting adapter for a
right-angle configuration. The head stage has a standard
0.08" pin connector jack for use with half-cell microelectrode
holders.
The head stage
features an internal driven shield to be placed around the body of the
electrode from reduced capacitance and noise. It houses
a wide bandwidth, FET-input operational amplifier and current
injection and capacitance
compensation components. The input impedance is typically 1014
Ohms; the input current is typically less than 1.0pA; the bandwidth is
greater than 325kHz.
All metal parts are chrome-plated to resist corrosion. The flexible 5'
cable is silicone jacketed to resist mild alkalis, acids and solvents. |