Tektronix Keithley 2601B-PULSE - Page 108

Section 4: Operation Model 2601B-PULSE System SourceMeter® Instrument User's Manual
4-18 2601B-PULSE-900-01 Rev. A August 2021
Connect the enclosure of all metal test fixtures to protective earth (safety ground). See your
specific test fixture for information. Nonconductive test fixtures must be rated to double the
maximum capability of the test equipment in the system.
Figure 51: Using shielding and guarding together
1 Test circuit
2 Metal guard shield
3 Metal noise shield
4 Metal safety shield
5 LO connected to noise shield
6 Coaxial cable shield
7 Low-noise chassis ground banana jack
8 Chassis screw
9 Protective earth (safety ground)