Amplifiers
4-18
Microphone Input Amp (AR-GXMC)
The AR-GXMC is an amp for connecting a microphone used for mea-
surements.
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Filters
Weighting Filter
This is an analog weighting filter (A, C) that conforms to IEC TYPE1
class.
Analog Low-Pass Filter
Has an analog low-pass filter to prevent aliasing, with that cutoff fre-
quency automatically determined when the sampling frequency is
selected. The filter is an 8th order Butterworth filter with an attenua-
tion ratio of 48 dB/oct. The low-pass filter is not functional at sam-
pling frequencies of 200 Hz or lower.
Digital Filter
The digital filter using a DSP can attenuate from 40% of the set sam-
pling frequency. The digital filter is not functional at sampling fre-
quencies of 200 kHz, 100 kHz, and 50 kHz.
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Страница 6: ...Introduction 1 1 Overview 1 3 Features 1 4 About TAFFmat 1 6 Precautions 1 6 Name of Each Part 1 7...
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Страница 79: ...Specifications 4 12 External Dimensions Unit mm 300 85 200...
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Страница 116: ...Appendix 5 1 In Case of Trouble 5 3 Index 5 4 Supplied Accessories 5 5 Separately Purchasable Options 5 5...
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