BA-01X User Manual
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version 1.9
page 35
11. Technical Data
Headstage:
Input voltage range:
±1000 mV
Operating voltage:
±15 V
Enclosure:
Size: 23 x 70 x 26 mm, grounded
Holding bar:
Size: length 150 mm,
∅
8 mm
Electrode connector:
BNC with driven shield
Ground connector:
2.4 mm connector
REF connector (optional): SMB connector
Input resistance:
>10
13
Ω
(internally adjustable)
Current range x1:
±12 nA into 1 G
Ω
Current range x10:
±120 nA into 100 M
Ω
Electrode parameter controls:
BIAS:
range ±150 pA, current adjustable with trim potentiometer
OFFSET:
range ±200 mV, ten-turn control
CAPACITY COMPENSATION: range 0 – 30 pF, ten-turn control
BUZZ:
overcompensation of capacitance compensation (BUZZ), duration ~2.5 – ~100 ms (slightly
dependent on the setting of capacitance compensation), timer controlled with linear control,
accessible with remote switch
Electrode clear circuit:
Application of max. DC currents (-I
max
or +I
max
)
Bridge balance:
Adjustable with ten-turn control and RANGE switch, 0-100 M
Ω
or 0-1000 M
Ω
Electrode resistance test:
10 mV / M
Ω
obtained by application of rectangular current pulses ±1 nA
Bandwidth and speed response:
Full power bandwidth (R
EL
= 0): >30 kHz, rise time (10% - 90%)
<10 µs (R
EL
= 100 M
Ω
)
<5 µs (R
EL
= 5 M
Ω
)
Outputs:
Resistance:
50
Ω
Current x1/x10:
BNC connector, sensitivity 0.1 V / nA
Potential:
BNC connector, sensitivity selectable by toggle switch
(x10, x100)
