A-M Systems 1800 매뉴얼 - 페이지 6
{카테고리_이름} A-M Systems 1800에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. A-M Systems 1800 14 페이지. Microelectrode ac amplifier
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This 5-pin connector enables an isolated stimulus source to be utilized to
STIMULUS:
pass current through the electrode while the channel is in Stimulate Mode. The pin
assignments are listed in the following table.
Pin
A
B
H
three wires that will connect these sockets to standard
electrode pins.
SIGNAL+
pin) is used to connect to the electrode (usually an high
impedance metal electrode).
the indifferent lead. Either the
front panel
GROUND
Usually the
PROBE GROUND
lead. If you desire to have the current constrained to a known
path you may want to place the
placement depends on the application.
GROUND
This rotary switch controls the operating mode for its
MODE:
channel. The switch allows the user to select Record Mode
(
) Stimulate Mode (
REC
(
).
IMP
This rotary switch controls the level of signal gain for
GAIN:
its channel while the channel is in Record Mode. The switch allows the user to select
from
,
, or
X100
X1000
Impedance Check Mode.
CAPACITY COMP:
capacitance in parallel with the electrode while the channel is in
Impedance Check Mode. Turning this knob clockwise decreases the
level of capacitance. With the electrode capacitance reduced, the
measured impedance will largely be a measure of the resistive
component of the electrode. Warning: Turning the Capacity
Compensation too high will cause the circuit to oscillate wildly and
change frequency, and may also cause the electrode to behave in a
similar manner. The extreme swings
tissue, and care should be exercised in using this control.
A-M Systems
131 Business Park Loop, P.O. Box 850 Carlsborg, Wa 98324
Telophone: 800-426-1306 * 360-683-8300 * FAX: 360-683-3525
E-mail: [email protected] * Website: http://www.a-msystems.com
Location
upper left
upper right
middle
(the largest jack.. it accepts a 2mm
REFERENCE-
PROBE GROUND
must be connected for proper operation.
connector is tied to the indifferent
GROUND
), or Impedance Check Mode
STIM
gain. This switch has no effect in Stimulate Mode and
X10000
This knob provides control over the amount of
Signal
+
-
ground
is used to connect to
connector or the
elsewhere. Actual
in voltage may be harmful to neural
HEADSTAGE PROBE:
Headstage Probe has three
sockets and comes with
The
2