Hioki BT3554 - Appendix; Appx. 5: Synchronous Detection System

Appx.7
Synchronous Detection System
Appx. 5 Synchronous Detection
System
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target exhibits other electrical characteristics in addition to pure resistance,
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obtain the effective resistance of the measurement target. The synchronous
detection system is also used to separate faint signals from noise.
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The synchronous detection system picks up the reference signal and those
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system consists of a multiplying circuit that multiplies 2 signals and a low-pass
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Multiplier circuit
Reference signal
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the instrument, and "v2" as the signal voltage for use in synchronous detection,
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of v2
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as follows:
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