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Everything about Direct coupling

Conductive electrical connection

In electronics, direct coupling or DC coupling is the transfer of electrical energy by means of physical contact via a conductive medium, in contrast to inductive coupling and capacitive coupling. It is a way of interconnecting two circuits such that, in addition to transferring the AC signal, the first circuit also provides DC bias to the second. Thus, DC blocking capacitors are not used or needed to interconnect the circuits. Conductive coupling passes the full spectrum of frequencies including direct current. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Direct couplingA 5-minute orientation
  2. Skim a recent paper: Direct Dioxygen Radical Coupling Driven by Octahedral Ruthenium–Oxygen–Cobalt Collaborative Coordination for Acidic Oxygen Evolution ReactionInfluential work since 2022
  3. Pick up a classic book: What you see in the darkThe most-reprinted book on the subject
  4. Read the landmark paper: Indirect Exchange Coupling of Nuclear Magnetic Moments by Conduction ElectronsCited 3,672 times
  5. Go sideways: Op amp integratorA closely related topic
  6. Go sideways: Operational amplifierA closely related topic

📖 Definitions

Noun Energy transfer achieved by means of physical contact, i.e., coupling other than inductive or capacitive coupling.

🗂️ The subject at a glance

  1. DC bias
  2. Uses
  3. Offset error
  4. Advantages

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

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