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Ideal model versus real device

Ideal model versus real device

The ideal op-amp model assumes infinite open-loop gain, infinite input resistance, and infinite bandwidth. A real op-amp only approximates these conditions because it is built from real electronic components on a chip.

Real operational amplifiers (A-level only) Lesson

  1. A Level
  2. /Physics
  3. /Real operational amplifiers (A-level only)

Step-by-step lessons on AQA A Level Physics Real operational amplifiers (A-level only). Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

Lessons