The design of the SI-200 permits the desired current of the stimulus pulse to be generated despite the impedance on the path that the current follows.? The SI-200 adjusts the voltage needed to maintain that current automatically by increasing the voltage that drives the current up to a maximum of 150 volts.? Because of this capability, the SI-200 is categorized as a constant current stimulator.? However, the current output of the SI-200 is limited to a maximum of 20 milliamperes, with a maximum duration of 10 milliseconds and a maximum frequency of 50Hz.
|Output Current||0-20 mA|
|Isolation||Rated to 5300V RMS|
|Trigger Input:||External TTL signal|
|Frequency Range||Externally Driven 0.1-50 Hz|
|Pulse Width Minimum||100??S|
|Pulse Width Maximum||100 mS|
|Coupling Capacitance||? ?5pF|
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