Frequency Response Analyzer

FRA51615

From power electronics such as inverters and wireless charging to
servo control, evaluation of electronic components and batteries,
and even advanced bioresearch

Loop Characteristics Servo CharacteristicsTransfer CharacteristicsImpedanceAdmittancePSRRPLL Response CharacteristicsVibration Transfer CharacteristicsElectrochemical Impedance

Frequency Response Analyzer FRA51615

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Our FRAs are suitable to measure frequency response for many industries from electronic circuits, electronic components, and materials to mechatronics and electrochemical applications. Equipped with the performance and functionality to support many industries, our FRAs provide highly reproducible measurement data and more efficient testing operations.
The FRA51615 is our newest FRA developed to meet the needs and desires of our customers, and to provide the best user-friendliness, down to the smallest detail.

Features

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Measurement Frequency  :  10 µHz to 15 MHz

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Measurement Speed  :  0.5 ms/point

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Basic Accuracy  :  Gain:  ±0.01dB, Phase: ±0.06°

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Maximum Measurement Voltage  :  600 Vrms

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Maximum Input Voltage  :  600 V CAT/300 V CAT

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Isolation   :  600 V CAT/300 V CAT

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Dynamic Range  :  140 dB

  Functions to ensure reliable and highly accurate measurements

Auto Ranging

 

Automatic High Density Sweep

Amplitude Compression Function

 

Integrator

Automatic Integrator

 

Delay Function

Differential and integral operations

 

Sequence Measurement Function

Marker Search Function

 

Group Delay

Measurement Function for Changing the Frequency at 0° -phase

Impedance Measurement:
Parameters: Z/R/X/Y/G/Ls/Lp/Cs/Cp/Rs/Rp/V/I/D/Q
Error Correction: Open correction, Short correction, Load correction, Port extension, Slope compensation

Impedance measurement

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Measurement of resonance characteristics of piezo element

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Measurement of characteristics of multi-layer ceramic capacitor to which voltage is applied

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Measurement of internal impedance of battery cell

Gain-phase measurement

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Loop gain measurement of DC-DC converter

By measuring the loop gain characteristic of the DC - DC converter under the actual voltage applied to, We quantitatively evaluate circuit stability from phase margin and gain margin.

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Conditions

 

Load: DC-DC converter with switching frequency 1MHz
Sweep frequency 100Hz to 1MHz, Insertion resistor 51 ohm

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Results

 

Phase margin, gain margin.

   

The larger the margin, the more ringing and oscillation can be suppressed.

 

Crossover frequency

   

It is a guide of responsiveness at load fluctuation.

 

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With marker search function, phase margin and gain margin can be detected automatically.

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Other Example

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Measurement of Transmission Efficiency on Wireless charging

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Measurement of Mechanical Servo Characteristic

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Measurement of Frequency Response of Filters and Amplifiers

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Acoustic Analysis

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Vibration Analysis