2: General operation Series 2600B System SourceMeter® Instrument
2-70 2600BS-901-01 Rev. B / May 2013
Noise shield
Use a noise shield (see following figure) to prevent unwanted signals from being introduced into the
test circuit. Low-level signals may benefit from effective shielding. The metal noise shield surrounds
the test circuit and should be connected to LO, as shown.
Figure 34: Models 2602B, 2604B, 2612B, and 2614B noise shield
Figure 35: Models 2634B and 2636B noise shield (floating) (Model 2635B similar)