Specifications

Chapter 4 91
Preparation for Accurate Measurement
Electrical Length Compensation
4. Preparation for Accurate Measurement
Electrical Length Compensation
Test Fixture
Selection (Set Electrical Length)
Use the following GPIB command to select whether to use the Agilent test fixture or a
custom test fixture.
• SENS:CORR2:FIXT on page 454
Table 4-1 lists the valid combination of test fixtures, the need for Option 002 (Material
Measurement option), and measurement modes.
If the Agilent test fixture is used, the electrical length of the test fixture is set to the
E4991A’s predefined value, eliminating the need to enter the value. Use the following
GPIB command to read the electrical length of the Agilent test fixture.
• SENS:CORR2:FIXT:EDEL:MODE:DIST? on page 455
Custom Test Fixture (Enter Electrical Length)
When you use a custom test fixture, use the following GPIB command to define the
electrical length of the test fixture.
• SENS:CORR2:FIXT:EDEL:USER:DIST on page 456
Table 4-1 Test Fixture List
Test Fixture
Material
measurement option
Measurement mode
Agilent 16191A Not needed Impedance
Agilent 16192A
Agilent 16193A
Agilent 16194A
Agilent 16196A
Agilent 16196B
Agilent 16196C
Agilent 16197A
Agilent 16453A Needed Dielectric material
Agilent 16454S Magnetic material
Agilent 16454L
Custom (User-created) Not needed Impedance