2-20
Output Connections
Model 6220/6221 Reference Manual
Return to
Figure 2-17
Floating current source connections
Using a test fixture
Custom-built test fixture
A custom-built test fixture needs to a accommodate a variety of connection
requirements, including connections to an external voltmeter (such as the Keithley
Model 2182/2182A Nanovoltmeter).
shows a test fixture that can be custom-built. The included connectors
and terminals will accommodate any connection scheme covered in this section.
The internal wiring to the DUT will, of course, depend on the connection scheme
used.
High
Low
Output
High
Banana Plug Cable
Output
622x
622x
Test
circuit
LO
Test
circuit
NOTE
Triax Output low must be disconnected from Earth Ground by using the following key-press
sequence:
Press
TRIAX
, select
OUPUT LOW
, select
FLOATING.
The following command will also disconnect Output Low from Earth Ground:
OUTPut:LTEarth OFF
(red*)
(black*)
(red*)
* Boot color for alligator clip if
using supplied triax cable.
A) Inner shield connected to Output Low
B) Inner shield connected to Cable Guard
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
Summary of Contents for 6220
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