1-14 Return to Section Topics 2600S-900-01 Rev. C / January 2008
Section 1: Front and Rear Panel Operation Series 2600 System SourceMeter
®
Instruments User’s Manual
Figure 1-4
Model 2602/2612
FVR
Chassis
Series 2600
Signal
Ground
Chassis
Signal Ground is a local signal ground and defined as
the Low-Noise Chassis Ground Banana Jack.
Chassis is defined as the metal chassis of the Series 2600.
1) Frequency Variable Resistor (FVR) Isolates
the SMUs from high frequencies on the chassis.
For DC to 60Hz, the FVR is a virtual short (zero
ohms).
2) DO NOT use the Chassis Screw terminal to
make signal connections to external circuitry.
High frequency (>1MHz) on the chassis may
result in higher noise at the output.
Chassis Screw terminal is connected to the metal chassis of the
Series 2600.
1
Chassis
Screw
2
Low-Noise
Chassis Ground
Banana Jack
Signal
Ground
Model 2636
Low-Noise Chassis Ground Banana Jack and Chassis Screw
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