具有独立的调整窗口比较器(HA2841,HA4905)

Window Comparator With Independent Adjustments (HA2841, HA4905)
Window Comparator With Independent Adjust-
ments (HA2841, HA4905)
Application Note April 1998 AN9802



Introduction
Window comparators, or limit comparators as they are There might be a temptation to change the comparator to an
sometimes called, determine when the input voltage is within op amp. This is poor practice for any circuit which requires
a pre-selected range. The output voltage usually goes to a high speed performance because the op amp output would
TTL high when the input voltage is within the pre-selected saturate causing uncontroll