136 • Specifications
MultiClamp 700A Theory and Operation, Copyright 2000, 2001 Axon Instruments, Inc.
5 kHz Noise (4-pole Butterworth filter): 50 G 0.15 pArms
5 G 0.5 pArms
500 M 0.8 pArms
50 M 2.0 pArms
Fast capacitance compensation magnitude:
0 - 12 pF for 50 G range.
0 - 36 pF on all other ranges.
Fast capacitance compensation tau:
0.5 µs to 1.8 µs.
Slow capacitance compensation magnitude:
0 - 1 pF for 50 G range.
0 - 3 pF on all other ranges.
Slow capacitance compensation tau:
10 µs to 10 ms in two ranges (10 – 200 µs and 200 – 4000 µs).
Whole cell capacitance compensation:
C
m
from 1 pF to 100 pF and R
s
from 400 k to 1000 M on 500 M range.
C
m
from 2.5 pF to 1000 pF and R
s
from 100 k to 100 M on 50 M range.
Series Resistance compensation:
Bandwidth is adjustable from 0.32 to 16 kHz.
Series resistances corrected varies from 0.4 to 1000 M on 500 M range and
0.1 to 100 M on 50 M range.
Current Clamp
Rise time < 10 µs for load of 10 M on 50 M range (Output Filter bypassed).
Rise time < 30 µs for load of 100 M on 500 M range.
Rise time < 150 µs for load of 1 G on 5 G range.
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