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Agilent
Accessories Selection Guide
For Impedance Measurements
January 2014
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Table of Contents
Introduction
1
1. What are Agilent Accessories?
1
2. Types of Accessories
1
3. The Benefits of Agilent Accessories
2
4. ISO 9000 Quality Management
2
Tips for Selecting Appropriate Accessories
3
1. Selection by Measurement Application
3
2. Compatibility with Measurement Instruments
3
3. Frequency, DC Bias, and Operating Temperature/Humidity
4
4. DUT (Device Under Test) Dimensions
4
5. Open & Short Repeatability and Proportional Error
4
6. Furnished Accessories
4
7. Terminal Adapters
5
Accessory Catalogue
6
Applicable Frequency Ranges
6
Accessories Organization
7
Up to 110 MHz (4-Terminal Pair)
8
Lead Components:
16047A Test Fixture
9
16047E Test Fixture
10
16060A Transformer Test Fixture
11
SMD:
16034E Test Fixture
12
16034G Test Fixture
13
16034H Test Fixture
14
16044A Test Fixture
15-16
16334A Tweezers Contact Test Fixture
17
Other Components (Varying in Size or Shape):
16089A Large Kelvin Clip Leads
18
16089B Medium Kelvin Clip Leads
18
16089C Kelvin IC Clip Leads
19
16089D Kelvin Alligator Clip Leads
19
Port/Cable Extension:
16048A Test Leads
20
16048D Test Leads
20
16048E Test Leads
21
16048G Test Leads
22
16048H Test Leads
22
i
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Probes:
42941A Impedance Probe Kit
23
DC Bias Accessories:
16065A 200 Vdc External Voltage Bias Fixture
24
16065C 40 Vdc External Voltage Bias Adapter
24
Material:
16451B Dielectric Test Fixture
25-28
16452A Liquid Dielectric Test Fixture
29-30
Up to 3 GHz (7 mm)
31
Lead Components:
16092A Spring Clip Test Fixture
32
SMD:
16192A Parallel Electrode SMD Test Fixture
33-34
16194A High Temperature Component Test Fixture
35-36
16196A Parallel Electrode SMD Test Fixture
37-39
16196B Parallel Electrode SMD Test Fixture
40-41
16196C Parallel Electrode SMD Test Fixture
42-43
16196D Parallel Electrode SMD Test Fixture
44-45
16197A Bottom Electrode SMD Test Fixture
46-48
DC Bias Accessories:
16200B External DC Bias Adapter
49
Material:
16453A Dielectric Material Test Fixture
50
16454A Magnetic Material Test Fixture
51-52
DC (High Resistance)
53
SMD & Lead Components:
16339A Component Test Fixture
54
SMD:
16118A Tweezers Test Fixture
55
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Other Components (Varying in Size, Shape or Grounded):
16117B Low Noise Test Leads
56
16117C Low Noise Test Leads
57
Material:
16008B Resistivity Cell
58-59
Other Accessories
16190B Performance Test Kit
60
16380A Standard Capacitor Set
61
16380C Standard Capacitor Set
62
42030A Four-Terminal Pair Standard Resistor Set
63
42090A Open Termination
64
42091A Short Termination
64
Appendix
The Concept of a Test Fixture’s Additional Error
65
1. System Configuration for Impedance Measurement
65
2. Measurement System Accuracy
65-67
3. New Market Trends and the Additional Error for Test Fixtures
67-70
Error Compensation
71
1. Open/short Compensation
71
2. Open/short/load Compensation
71
3. Electrical Length Compensation
72
4. Cable Length Compensation
73
Measurement Repeatability
73
Index
74
Test Fixture Selection By SMD Size
75
Accessories vs. Instruments Matrix
76
Agilent Web Resources
77
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Introduction
When a device under test (DUT) is measured, a test fixture must be used to connect the instrument to the DUT. A test fix-
ture is an interface specifically designed to connect the instrument and the contact tips of the DUT.
1.
What are Agilent Accessories?
Agilent offers a variety of accessories suitable for many applications. They are designed to make measurements simple and
reliable. For example, a mechanically and electrically precise test fixture is required to measure the impedance of SMD
components. For this measurement, Agilent offers dedicated SMD fixtures for impedance measurement instruments that
minimize the measurement errors. Also, specially designed fixtures for other specific applications (such as DC bias test,
dielectric material test, and others.) are available. Agilent accessories facilitate a shorter time-to-market with increased
confidence by providing accurate and repeatable measurements.
2.
Types of Accessories
Agilent accessories can be divided into the following five categories:
Test Fixtures
A test fixture is used to hold the electronic components or materials (physically and electrically) for the measurements.
Agilent offers various kinds of 4-Terminal Pair test fixtures and 7 mm test fixtures. Some of them connect directly to the
measurement instrument, while others require adapters.
Test Leads
Test leads are used to extend the measurement ports from the UNKNOWN terminals of the instrument to the DUT. Using a
flexible test lead, a DUT that cannot be held with test fixtures can be measured regardless of its size or shape. The test
leads can also be used as cable extensions when the test sample is located away from the measurement instrument.
Probes
Probes are helpful in measuring components which are already connected to PC boards or have one terminal grounded.
Adapters
Adapters are used to adapt the dedicated circuits between the instrument and the test fixtures. The 42942A is a terminal
conversion adapter that can convert a 4-Terminal Pair configuration to a 7 mm configuration. The 16065C is an external DC
bias adapter that can apply DC bias to the DUT from an external DC bias source.
Others
Also available are DC bias accessories and performance test equipment.
1
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