Tektronix 11A72 Manual page 14

Overdrive Recovery
Instrument Options
DC Coupling Mode
a Selecting Autoset, because the autoset process of most oscilloscopes starts
by searching for a DC voltage
a Recalling a stored setting that dictates DC coupling.
damage the amplifier's input relay. A damaged relay could cause an
error in caiibration.
Overdrive occurs whenever an amplifier is driven out of its linear range of
-£15 divisions. The overdrive recovery of an amplifier is the time it takes the
step.
At all vertical settings the 11A72 amplifier typically settles in less than 20 nano-
seconds to within 2% of the signal amplitude + 0.1 division. This applies only for
input signals up to <b1 volt in amplitude .
measurement resolution. For example, if a signal changes from -0.8 V to +0.2V
ly at +0.2 V or if it had some smail aberration following the transition, By setting
the offset to + 0.2 V and the sensitivity to 10 mV/division, aberrations of just 1%
of the original transition will be 1.0 division in amplitude (1% of 1.0 V is 10 mv, or
Option 01--SMA input conneciors.
Option 26— adds two P6203 probes.
Option 27 ~- adds two P6204 probes,
1-6
REV AUG 1989 General Information