Gain-Phase Analyzer

FRA51602

Frequency Response Analyzer FRA51602

Frequency Response Analyzer FRA51602

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Features

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Measurement Frequency  :  10 µHz to 2 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 II / 300 V CAT III

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Isolation  :  600 V CAT II / 300 V CAT III

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Dynamic Range  :  140 dB

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  Convenient Functions

Auto Ranging

 

Automatic High Density Sweep

Delay Function

 

Amplitude Compression Function

Sequence Measurement Function

 

Marker Search Function

Group Delay

Measurement Function for Changing the Frequency at 0°-phase

Loop gain measurement of DC-DC converter

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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.

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