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Course information comes from the public UCLA General Catalog. Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.

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EC ENGR 223 · EE 223Solid-State Electronics I

Electrical and Computer Engineering · 4 units · Graduate courses (200-299)

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Energy band theory, electronic band structure of various elementary, compound, and alloy semiconductors, defects in semiconductors. Recombination mechanisms, transport properties.

Letter grading.

When it runs

  • Fall 2025
  • Fall 2026

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.

Requisites

Official UCLA wording

Recommended requisite: course 270.

BruinTree reads · Recommended

confidence 1.00 · from text
EC ENGR 270

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About EC ENGR 223. We read UCLA’s requisite wording by machine, and it gets things wrong.

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

EC ENGR 223

  • EC ENGR 270Applied Quantum Mechanics
    • EC ENGR 123AFundamentals of Solid-State I
      • EC ENGR 2Physics for Electrical Engineers
      • PHYSICS 1CPhysics for Scientists and Engineers: Electrodynamics, Optics, and Special Relativity5 more beneath

1 direct requisite. Showing 4 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

EC ENGR 223

  • EC ENGR 224Solid-State Electronics II
    • EC ENGR 229Seminar: Advanced Topics in Solid-State Electronicsanother path to it
  • EC ENGR 225Physics of Semiconductor Nanostructures and Devices
  • EC ENGR 229Seminar: Advanced Topics in Solid-State Electronics

3 courses list this as a requisite. The whole downstream is here — 4 courses over 2 levels. Every course here opens its own tree.