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Impedance/Gain-Phase Analyzer

  • NF
  • 전화문의



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    • - 온라인 신청, 접수

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    • - 수집항목 : 성명, 연락처(휴대폰 번호), 주소, 생년월일

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This analyzer supports problem-solving by researchers and engineers
who are seeking to improve performance and reliability.

Improvements in the performance and reliability of electronic materials, components and circuits for electronic equipment have been increasingly called for in our society––one of remarkable technical advances in household electrical appliances, automotive electronic equipment and energy-saving power electronics equipment. ZGA5920 was developed as a comprehensive analyzer for measuring impedance and gain-phase, and for accurately determining the responses and performance of measurement objects. To provide the measurement information that researchers and engineers need, we offer a measurement environment that achieves highly reproducible measurements. ZGA5920 is as easy to use as a personal computer. In addition to having the functions of measurement, analysis, simulation using the analysis results, outputting of reports and data management, it’s equipped with functions including the ability to link with external devices, remote control, and the provision of measurement support information.


application palette

Application Pallet
11 types of measurement objects
  • Piezoelectric material
  • Dielectric material
  • Magnetic material
  • Inductor
  • Capacitor
  • Resistor
  • Transformer
  • Diode
  • Servo
  • Amplifier Circuit
  • Filter Circuit
  • Impedance measurement
  • Gain-phase measurement

Impedance and Gain-phase Measurement

A/D converted input signals undergo discrete Fourier transform (DFT) to calculate complex impedance values and obtain parameters and characteristics specific to the DUT, such as its capacitance, inductance and quality factor. Original NF algorithms are also applied to allow equivalent circuits made up of R, L and C along with the constants for those circuits to be estimated from the complex impedance spectrum obtained by sweeping the frequencies. In servo analysis, data such as the loop cycle gain and closed-loop gain are used to obtain transfer functions (circuit model) and run simulations of the loop cycle gain and closed-loop gain. This highly detailed and integrated analysis of a wide range of diverse characteristics makes this analyzer invaluable not just for materials research and the development of application products, but for problem solving in all sorts of fields. For measurements that are not among the 11 prepared types of measurement objects, User original way of evaluation and analysis is supported by provision of the graph display, data output and correction functions. 


configuration of ZGA5920
Main unit (measurement and analysis), monitor (display), keyboard, trackball (pointing device),
* Can be connected a printer to the main unit.  (Recommended printer: HP Officejet 100, HP Officejet H470)

# Highly reliable measurements for a wide range of measurement objects #
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# Capable of measuring from ultra-low frequency ranges
Measurement frequency: 0.1 mHz to 15 MHz
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# Supports measurement of power devices and high-voltage circuits
Maximum input voltage: 250 Vrms; Dynamic range: 140 dB
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# Extensive range of measurement sweep parameters and high density
sweeping of the frequency axis
Sweep parameters: Frequency, AC amplitude, DC bias, time
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# Isolation between all inputs and outputs
Isolation voltage: 250 Vrms
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# Functions available to provide improved measurement data reliability
Open/short correction, integration and equalization, etc.
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# Amplitude compression (pseudo-constant current output measurement)
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# A wide array of optional peripheral devices are available, such as a power amplifier for amplifying the driving signal and fixtures for the measurement of various items.

# Upgraded measurement and analysis efficiency!
Smooth utilization of data and smooth system linkages
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# Administration of measurement conditions and results data  

User-friendliness and data management just like those of a personal computer

# #   main_display
# Automatic repetition measurement
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# Measurement support
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# Linkage with external devices
Equipped for control I/O 8 channels
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# Data logging
Equipped for analog signal input
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# Linkage with the user system
A software developer kit (SDK) is provided.

Details of measurement and data administration detaile


ZGA5920+amp Results from a simulator: Who knows what they mean?
Conventional LCR meters and impedance analyzers can’t measure what you need!
To correctly evaluate the characteristics of electronic components and circuits, it’s fundamental to make measurements in an actual operating environment.

Impedance Measurement of Electronic Components
Inductors and capacitor are used in large quantities in electronic equipment. To design high-performance equipment, it’s extremely important to accurately know the characteristics of electronic components used in equipment. LCR meters or impedance analyzers are generally used for measuring electronics components; however, measurable voltage and current are as small as a few volts and about several milliamperes. Some components are used under a voltage of 100 V or higher and current of 10 A or higher. The values measured by LCR meters and impedance analyzers may differ from those of actual operating conditions.
ZGA5920 provides measurements under actual operating conditions, with its
High-voltage input, Wide dynamic range, Isolation between inputs and outputs,
High-voltage, high-current power driver amplifier and Measurement adapter with a current detector circuit. In measuring and evaluating piezoelectric elements that are used as actuators, it really excels.
Measurement of Loop Gain of the Switching Regulator
To evaluate the stability of the circuit, loop gain is measured. ZGA5920:
Injects the signal into the loop, and measures the open loop gain under closed loop operating conditions.
Automatically calculates the phase margin and the gain margin that are used in quantitatively evaluating stability. 
Measurement and Analysis#

Electronic materials
piezo space dielectric

#Measurement parameters:
Admittance, phase, conductance, susceptance

#Analysis and simulation:
Parameter extraction, matching inductance, parameter simulation

#Measurement parameters:
Parallel capacitance, parallel resistance

#Analysis and simulation:
Dielectric permittivity, dissipation factor


#Measurement parameters:
Series self-inductance, Series resistance

#Analysis and simulation:
Magnetic permittivity, Dissipation factor

Electronic and electrical components
inductor space capacitor

#Measurement parameters:
Series self-inductance, parallel self-inductance, series resistance, parallel resistance, phase, quality factor

#Analysis and simulation:
Equivalent circuit estimation and simulation

#Measurement parameters:
Series capacitance, parallel capacitance, series resistance, phase, dissipation factor,
quality factor

#Analysis and simulation:
Equivalent circuit estimation and simulation

resistor space

#Measurement parameters:
Impedance, resistance, reactance, phase

#Analysis and simulation:
Equivalent circuit estimation and simulation

transformer diode

#Measurement parameters:
Leakage inductance, turn ratio
#Analysis and simulation:
Mutual inductance, coupling coefficient,

#Measurement parameters:
CV characteristics, parallel capacitance, quality factor

#Analysis and simulation:
Tuning characteristics simulation

Electronic circuits
servo space amplifier

#Measurement parameters:
Loop gain characteristics, closed loop characteristics, open loop characteristics, feedback transfer function

#Analysis and simulation:
Phase margin, gain margin, circuit model identification, circuit model simulation

#Measurement parameters:
Gain-phase characteristics, CMRR characteristics, PSRR characteristics, differential gain/phase characteristic, saturation characteristics

#Analysis and simulation:
Transfer function identification, transfer function simulation

filter space

#Measurement parameters:
Frequency characteristics

#Analysis and simulation:
Transfer function identification, transfer function simulation