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Everything about Capacitance multiplier

Circuit that makes capacitor act like a larger capacitor

A capacitance multiplier is designed to make a capacitor function like a much larger capacitor. This can be achieved in at least two ways.An active circuit, using a device such as a transistor or operational amplifier A passive circuit, using autotransformers. These are typically used for calibration standards. The General Radio / IET labs 1417 is one such example. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Capacitance multiplierA 5-minute orientation
  2. Skim a recent paper: OTRA-based positive/negative grounded capacitance multiplierInfluential work since 2022
  3. Pick up a classic book: Evanescent mode microwave componentsThe most-reprinted book on the subject
  4. Read the landmark paper: FastCap: a multipole accelerated 3-D capacitance extraction programCited 703 times
  5. Go sideways: Operational amplifier applicationsA closely related topic
  6. Go sideways: Negative-feedback amplifierA closely related topic

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🏆 Landmark papers (most cited)

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