Alpha MED Scientific MED-A64MD1A Посібник з експлуатації - Сторінка 9
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MED64 Main Amplifier Set-Up
The MED64 System has several technical advantages due to the low-impedance platinum-black microelectrodes
on the MED probe (typically 10 kΩ at 1kHz for 50 m electrodes). These include:
1.
The system is more resistant to exogenous noise (e.g. hum noise).
2.
Very low Johnson noise (baseline noise) as low as a few microvolts can be achieved.
3.
The MED Probe/Connector can be physically separate from the amplifier (such as during long-
term recordings in a humidified incubator). It is connected with a cable as long as 2m without
noise or signal attenuation.
The MED64 System does NOT usually require a Faraday cage or vibration isolation table necessary for the
conventional electrophysiology rigs. It is recommended that the MED64 system be installed on a STABLE TABLE
such as lab bench using aluminium foil except when the system is used in conjunction with other equipment such
as an incubator or microscope. Please refer to "MED64 Handbook Vol1 Hardware" for the installation and
operation of the MED64 system.
Connecting the MED64 Main Amplifier to other Components
MED
Connector
64-CHANNEL MAIN AMPLIFIER
64-CHANNEL HEAD AMPLIFIER
GND
7
PC