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Keysight Technologies
Accessories Selection Guide
For Impedance Measurements




Selection Guide
Table of Contents

Introduction 1
1. What are Keysight Accessories? 1
2. Types of Accessories 1
3. The Benefits of Keysight 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




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Table of Contents


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
Keysight 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 fixture is an interface
specifically designed to connect the instrument and the contact tips of the DUT.

1. What are Keysight Technologies Accessories?

Keysight Technologies 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, Keysight 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.
Keysight accessories facilitate a shorter time-to-market with increased confidence by providing accurate and repeatable measurements.

2. Types of Accessories

Keysight 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. Keysight offers vari-
ous kinds of 4-Terminal Pair test fixtures and 7 mm test fixtures. Some of them connect directly to the measurement instrument, while oth-
ers 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
Introduction

3. The Benefits of Keysight Accessories
Each accessory is designed to ensure highly accurate measurements without degrading the performance of the measure-
ment instrument.