TEC-B-01 User Manual
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version 1.1
page 35
Headstages
Potential headstage
Bridge amplifier headstage is used for potential measurement
Current headstage
Operating voltage:
±45 V
Input resistance:
>10
12
Electrode connector: BNC, shield is grounded
Ground:
2.4 mm connector or headstage enclosure
Size:
23 x 70 x 26 mm, enclosure grounded
Holding bar:
diameter 8 mm, length 10 cm
Current range
:
45 µA / 1 M
Current electrode parameter controls:
Offset compensation: ten-turn control, ±500 mV
Electrode Resistance Test:
obtained by application of square current pulses ±10 nA, display XX.X M
, selected by switch
Current Outputs:
Filtered output:
sensitivity: set by current range switch,
with low-pass Bessel filter, output
impedance 249
Current range switch: 0.1 µA/V, 1 µA/V or 10 µA/V
DISPLAY: XX.XX
µA
Current Output Filters:
One-pole low-pass Bessel filter
6 corner frequencies: 100, 300, 500, 1k, 3k or 5k Hz.
Current Clamp (current stimulus input from bridge amplifier):
Inputs:
0.1 µA/V, 1 µA/V
Input impedance:
>100 k
HOLD:
X.XX µA, ten-turn digital control with -/0/+ switch, maximum 10 µA.
Voltage Clamp:
Input sensitivity:
10 mV
Input impedance
>100 k
HOLD:
XXX mV, ten-turn digital control with +/0/- switch, maximum 1000 mV