Modified controller and controlled with the digital and analog grounds of the controller tied together with a 1 Ω resistance between the two

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Other Materials from the Main Document

• Article «Quelling a ground loop»
• Figure 2. Block diagram of the Bertan 200-C488 GPIB controller and the controlled Bertan 205A/210 high voltage power supply
• Figure 3. Controller and controlled with a ground loop current whose current magnitude interfered with both control and monitoring
• Figure 4. Modified controller and controlled with the digital and analog grounds of the controller tied together with a 1 Ω resistance between the two
• Figure 5. Controller and controlled with a diminished ground loop current