Tektronix TEKFAX ADA400A, Instruction Manual

Page: 17 / 80

Getting Started
ADA400A Differential Preamplifier
5
Table 1: Gain settings
Gain setting Oscilloscope reading
0.1 1.00 V
1 100 mV
10 10.0 mV
100 1.00 mV
7.
With the GAIN switch on the highest setting, set the ON OFF switch for the
OFFSET controls to
ON
.
8.
Adjust the
COARSE
and
FINE
controls to bring the trace to center screen.
9.
Set each input separately to
AC
,
DC
, and back to
GND
and check that the
offset controls still bring the trace to center screen for each setting.
10.
Return the GAIN setting to
.1
and the input coupling switches to
GND
.
The ADA400A Differential Preamplifier is now ready to use. For a complete
performance verification procedure, refer to page 29.