Schematic of the low-pass filter

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Other Materials from the Main Document

• Article «Precision synchronous detection amplifier facilitates low voltage measurements»
• Figure 1. Block diagram of the amplifier
• Figure 2. Circuit schematic of part of the amplifier (filter is presented separately below)
• Figure 3. Schematic of the low-pass filter
• Figure 5. Circuit performance: deviation between experimental data and the best fit line is within the ±1 mV range