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3. The Benef its of Keysi ght acces sories Eac h acce ss or y is de signed to e nsure highly ac curat e meas urement s wi thou t degradin g the per for manc e of the measurement instr ument. – Minimum res idual err or pr…
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 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.
Introduction
3. The Benefits of Keysight accessories
Each accessory is designed to ensure highly accurate measurements without degrading the performance of
the measurement instrument.
– Minimum residual error preserves the accuracy of the measurement instruments.
– Clearly defined error compensation allows easy calculation of error corrections.
– Strict measurement specifications, such as test frequencies and signal levels provide safe and accurate
measurements.
This document introduces a group of Keysight accessories that are well suited for the following measure-
ment instruments:
LCR meters
– E4980A Precision LCR Meter, 20 Hz to 2 MHz
– E4980AL Precision LCR Meter, 20 Hz to 300 kHz/500 kHz/1 MHz
– E4982A LCR Meter, 1 MHz to 300 M/500 M/1G/ 3 GHz
Capacitance meters
– E4981A Capacitance Meter
Impedance analyzers
– E4990A Impedance Analyzer, 20 Hz to 10/20/30/50/120 MHz
– E4991B Impedance Analyzer, 1 MHz to 500 MHz/1 GHz/3 GHz
Network analyzer
– E5061B-3L3/3L4/3L5 LF-RF Network Analyzer, 5 Hz to 500 M/1.5 G/3 GHz
4. ISO 9000 quality management
ISO 9000 is a set of international standards for quality management and quality assurance. These standards
were developed with the goal of documenting and implementing effective quality systems within companies.
ISO standards are consistent with Keysight’s quality system; in fact, the standards within Keysight Technolo-
gies’ Quality Maturity System (QMS) exceed the intent of ISO 9000.
Introduction continued
02 | Keysight | Accessories Catalog for Impedance Measurements - Catalog
The following topics comprise a helpful guideline for selecting an appropriate accessory
for the measurement instrument to be used.
1. Selection by measurement application
Keysight accessories can be used in a wide variety of measurement applications. These
applications range from basic measurements (such as impedance measurements for
discrete devices) to advanced measurements (such as measurement of resistivities or
dielectric constants.)
2. Compatibility with measurement instruments
Test fixtures/leads are compatible with the measurement instruments when they have
the same type of terminal configuration and useable measurement frequency range. The
measurement instruments described in this guide are divided into the following three
categories based on frequency.
Tips for Selecting Appropriate Accessories
Frequency Up to 120 MHz Up to 3 GHz
range (Terminal configuration: 4-Terminal pair) (Terminal configuration: 7 mm)
Measurement E4980A/AL, E4981A, E4990A E4982A, E4990A + 42942A*, E4991B,
instruments E5061B-3L3/3L4/3L5 w/Opt. 005 + 16201A
* Option E4990A-120 is required.
03 | Keysight | Accessories Catalog for Impedance Measurements - Catalog