Keithley 220 Instruction Manual page 36

Table 5-8. Analog Board Checks
-
w -
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
-
ltemlComponent
J320 pin 11
J315 pin 2
J320 pin 15
J320 pin 15
J320 pin 15
J320 pin 15
J320 pin 12
J320 pin 13
J320 pin 14
J320 pins 11, 12
13.14 and 15.
U309 pin 1
U311 pins 24 and lf
U310 pin 6
U316 pin 9
U304 pin 12
R
P
CI
P
$
p'
p'
:,
p'
0,
P
0,
P
0
P
p'
t
0
I i
iaquirad Condition
rogram the Model 220 for lOOmA at a 1OOV
ompliance.
ress Operate
.0.7v f.lV
.9.8V +O.lV
rogram the Model 220 to output lOmA.
.0.7v +.1v
rcgram the Model 220 to output 1mA.
.o.N *.1v
rcgram the Model 220 to output lOOpA.
-0.7v f.lV
rcgram the Model 220 to output lOhA.
.7v f.lV
rcgram the Model 220 to output 1rA.
.7V * .lV
rogram the Model 220 to output lOOti.
.7v + .lV
rogram the Model 220 to output 10nA.
-0.7v f.lV
rogram the Model 220 to output 1nA.
.5v *.5v
Connect a lOOR. 1W load
resistor acrcss the output.
100mA range relay and output relay an
energized.
Output of sense amplifier.
1OmA range relay is energized.
1 mA range relay is energized.
100~A range relay is energized.
10~A range relay is energized.
1pA range relay is energized.
lOOnA range relay is energized.
1OnA range relay is energized.
All other range relays are denergized.
-5V (For a programmed compliance voltage
f lOOV.1
-6.3V f.lV 12 Bit DAC Reference
-6.3V + .lV 8 Bit DAC Reference
Latch Line
Clock Line
Remarks
NOTE
All measurements in Table 58 are referenced to analog common (guard).