Keithley 237

APPENDIXF
236/237
Performance
Verification
9.
Record
the
voltage from
the
Model193A
and
calcu-
late
the
actual current.
V+90mA
=
------
V
1+90mA
=
v
+90mA
=
rnA
R10n
-------
+
12. Record
the
voltage from
the
Model193A
and
calcu-
late
the
actual current.
v
-90mA
=
------
v
1-90mA
=
v
-90mA
=
rnA
R10n
·-------
10.
Verify
that
the
actual
current
(1+90mA)
is
within
the
fol- 13. Verify
that
the
actual
current
is
within
the
following
lowing
limits: limits:
1+90mA
=
89.914mA
to
90.086mA
I-90mA
=
-89.914mA to -90.086mA
11. Set
the
Model236/237
to
output
-90mA.
14. Place
the
Model236/237
in
standby.
F-20
+