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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 Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.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 115A · EE 115AAnalog Electronic Circuits I

Electrical and Computer Engineering · 4 units · Undergraduate upper division (100-199)

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Review of physics and operation of diodes and bipolar and MOS transistors. Equivalent circuits and models of semiconductor devices. Analysis and design of single-stage amplifiers. DC biasing circuits. Small-signal analysis. Operational amplifier systems.

Letter grading.

When it runs

Checking the Schedule of Classes…

Requisites

Official UCLA wording

Enforced requisite: course 110.

BruinTree reads · Prerequisite

confidence 1.00 · from text
EC ENGR 110

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Requires

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

EC ENGR 115A

  • EC ENGR 110Circuit Theory II
    • EC ENGR 10Circuit Theory I
      • EC ENGR 3Introduction to Electrical Engineering
      • EC ENGR 11LCircuits Laboratory I
      • MAT SCI 10Freshman Seminar: New Materials
      • MATH 33ALinear Algebra and Applications3 more beneath
      • PHYSICS 1BPhysics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fields4 more beneath
      • COM SCI 1Freshman Computer Science Seminar
      • MATH 33BDifferential Equations1 more beneath
    • EC ENGR M16Logic Design of Digital Systems
    • COM SCI M51ALogic Design of Digital Systems
    • EC ENGR 111LCircuits Laboratory II
      • EC ENGR 10Circuit Theory Ianother path to it
      • EC ENGR 11LCircuits Laboratory Ianother path to it
      • EC ENGR 110Circuit Theory IIanother path to it

1 direct requisite. Showing 15 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 115A

  • EC ENGR 115ALAnalog Electronics Laboratory I
  • EC ENGR 115BAnalog Electronic Circuits II
    • EC ENGR 115DAElectronic Circuits and Systems Design
      • EC ENGR 115DWElectronic Circuits and Systems Design
    • EC ENGR 115EDesign Studies in Electronic Circuits
    • EC ENGR 215AAnalog Integrated Circuit Design
      • EC ENGR 215CAnalysis and Design of RF Circuits and Systems
      • EC ENGR 215DAnalog Microsystem Design
      • EC ENGR 215ESignaling and Synchronization
  • COM SCI M258ADesign of VLSI Circuits and Systems
    • COM SCI 258HAnalysis and Design of High-Speed VLSI Interconnects
    • COM SCI M258CLSI in Computer System Design
  • EC ENGR 115CDigital Electronic Circuits
    • EC ENGR 201AVLSI Design Automation
    • EC ENGR 201CArtificial Intelligence on Chip
    • EC ENGR 201DDesign in Nanoscale Technologies
    • EC ENGR 215BAdvanced Digital Integrated Circuits

4 courses list this as a requisite. The whole downstream is here — 17 courses over 3 levels. Every course here opens its own tree.

  • Fall 2025
  • Spring 2026
  • Fall 2026
  • Spring 2027

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