Signal Conditioning

Thoroughly Improve the measurement system

Signal conditioning improves the performance and reliability of the measurement system. A typical system includes the signal conditioning hardware, which works as an interface between the raw signals and transducer outputs to the measurement device.

The conditioning amplifier will supply the system with signal amplification, electrical isolation, filtering, powering of transducers, overload detection, and Transducer Electronic Datasheet (TEDS) support.

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Features of Signal Conditioning Amplifiers

Multi-pin preamplifiers

Multi-pin preamplifiers cover the widest range of acoustic applications. Signal conditioners condition the microphone signals from the microphone preamplifiers. In this case, you must take into account the preamplifier’s supply voltage. For very high sound pressure level measurements, the conditioner’s supply voltage may limit the measurement system’s maximum measurable level. The maximum measurable sound pressure level is a function of several parameters:

  • Frequency content of the sound
  • Sensitivity of microphone (including influence of polarization voltage for externally polarized microphones)
  • Preamplifier’s voltage drop
  • Capacitance of cable between preamplifier and conditioner
  • Supply voltage and current from conditioner
  • Gain or attenuation in conditioner or preamplifier
  • Peak input range of data acquisition

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Signal Conditioning

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