natus Xltek EMU40EX, Руководство пользователя и обслуживания

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User and Service Manual EMU40EX™
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Specifications: EMU40EX Amplifier
Specification Value(s)
Analog Specifications Channels
Referential Channels 40
Differential Input Impedance > 50 MOhms
Common Mode Input Impedance > 25 MOhms
Common Mode Rejection Ratio 116 dB @ 60 Hz
Input Noise (peak to peak) 3.9 µV @ 0.1~70 Hz bandwidth
Input Noise (RMS) 0.65 μV @ 0.1~70 Hz bandwidth
EEG Channel Hardware Gain 250
Maximum Differential AC Input
Before Clipping (Referential)
± 10 mV pk-to-pk
Maximum Operational DC Input Voltage Electrode Offset ± 200 mV
Input Bias Current < 20 pA
Channel Crosstalk -87 dB
Analog Specifications – DC Channels
DC Channels (Base Unit, DC1 – DC4) 4 isolated
DC Input Range ± 5 V
Host Interface
Network Interface
Wired TCP/IP (Fixed IP address or DHCP)
Gigabit Ethernet (1000BASE-T, IEEE 802.3ab)
Direct Connection Interface USB 2.0
User Interface
Front Panel Control Base Unit LCD Touchscreen
Patient Event Pushbutton Connection 1 on Base Unit, 1 on Breakout Box
Photic Stimulator Interface 1 Natus Photic Stimulator
Digital Specifications
Sampling Frequency 256 Hz, 512, 1024 Hz