Chapter 5 Web-Based Operations
104
Lynx DSA User's Manual - 9240227J
Preamp Type
Selects the preamplifier type as either
RC
(resistive-capacitive filter) or
TRP
(transistor reset). Pole/Zero and Auto Pole/Zero adjustments are disabled for
TRP
Preamp Type. The internal Pole Zero value will be set to zero (time constant of
infinity) when
TRP
Preamp Type is selected.
Digital Filter Settings
Activates the settings for the Digital Filter parameters. The General tab contains
access to the DSP parameters; the Miscellaneous tab contains access to the Manual
and Automatic Pole Zero.
General
The General tab displays settings that are common to both Inputs 1 and 2. These
settings let you modify how the detector signal is filtered. A summary of the settings
is as follows.
Figure 56: General Digital Filter Hardware Settings
BLR Mode
Sets the baseline restorer mode. With a setting of
Automatic
, the baseline restorer is
automatically optimized as a function of trapezoid shaping time and count rate. With
settings of
Soft
,
Medium
and
Hard
, the baseline restorer is set to fixed rates as
selected.
