High-End Amplifier Test FX100 Use Case0 pages

FX100 Use Case

High-End Amplifier Test
FX100 Use Case
Verifying a high-end amplifer is a typical challenge that
requires not only a wide range of measurement functions,
but also top-notch specifications of the audio analyzer.
The FX100 suits this application and was therefore chosen by a leading manufacturer of linear power amplifiers
as the preferred solution.

The challenge
Power audio amplifiers are sophisticated devices that are
used in a variety of applications. A full performance check
of such a device consequently requires a test solution that
offers a wide range of measurement functions, top-notch
specifications and a thought-out safety concept.
The standard tests include noise, hum, distortion, linearity,
frequency response and output power, which are typically acquired on a dedicated test stand that also includes a power
shunt resistor.

The solution

Highlights
•tFully integrated solution for lab
and production testing.
•tCovers not only standard, but
also custom-specific measurements.
•t Top-notch specifications of the
analyzer ensure accurate test
results.

Thanks to the versatility, outstanding specifications and speed
of the FX100 Audio test system, an acknowledged European
manufacturer of professional power amplifiers selected the
instrument for their lab as well as production testing.
An important criterion during the evaluation process was the
ability of the system to cope with the complexity of the test.
The FX-Control software established an efficient test procedure that executes the specified measurements in three different acquisition modes.
i.t GlideSweep
•tLevel, gain, phase, distortion
•tOutput power*

ii.t StepSweep
•tCrosstalk L / R
•tLinearity, Maximum output level* @ <1% THD

iii.tFFT
•tNoise, hum
*: Calculated by FX-Control

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Jun 12, Page 1 / 2