10-9
Mode = CV
General Parameters
Initial E (mV) = 0
-3276 to 3276
High E (mV) = 0
-3276 to 3276
Low E (mV) = 0
-3276 to 3276
Scan Rate = 100
1 to 51200 (
µ
V/s)
1 to 51200 (mV/s)
1 to 300 (V/s)
Initial Direction = Negative
Negative or Positive
Number of Segments = 2
0 to 65535
Sensitivity = 1
µ
A/V
100 mA/V to 100 nA/V (10 pA/V with the
Low Current Module)
Specific Parameters
Sample Interval (mV) = 1
1 to 20
Quiet Time (sec) = 2
0 to 65535
Comments (LSV/CV)
a) The wave form generator that drives the potentiostat is a Digital-to-Analog
Converter (DAC) with 2
16
(65,636) resolution elements. The resolution of the
staircase potential wave form is 0.1 mV, which generates a potential range of
±
3276 mV. The rate at which the potential can change (the Scan Rate) is
dependent on the rate at which each digital element can be changed. This rate
is determined by the speed of the clock pulses, which is set at 2.048 x 10
6
pulses/s in the BAS 100B/W. The rate of change from the DAC is controlled
by allowing only a fraction of the clock pulses to reach the DAC. The allowed
Scan Rates (for mV/s) are calculated from the equation shown below and
some values are listed in Table 10-1. If the entered scan rate is between two
values, the higher scan rate will be used.
2.048 x 10
6
pulses/s x 0.1 mV/pulse = Scan Rate (mV/s)
Frequency divisor
