MindMap Gallery Semiconductor - Analog Chip 90nm or above
The semiconductor industry analysis framework has compiled the investment logic, scale, classification, and how to read it. Take a look.
Edited at 2023-03-03 08:39:49This mind map, titled What is a Limit, provides a structured overview of the core concept of limits, including formal definitions, intuitive understanding, one-sided vs. two-sided limits, limits at infinity, infinite limits, conditions for existence or failure, indeterminate forms, evaluation techniques, and the relationship between limits and continuity. The mind map begins with “What is a Limit,” establishing limits as describing a function’s behavior near a point. Intuitive understanding builds a formal picture through the ε ε strip and δ δ neighborhood. One-sided and two-sided limits clarify conditions for limit existence. When limits exist or fail covers jumps, oscillations, and infinite behavior. Limits at infinity and infinite limits are distinguished. Indeterminate forms highlight why extra work is needed beyond direct substitution. Techniques to evaluate limits include direct substitution, algebraic simplification, geometric limits, the squeeze (sandwich) theorem, and techniques for handling infinity. Continuity is defined in terms of limits, with the condition that the limit equals the function value at a point. Typical misconceptions are addressed to clarify foundational understanding. Designed for students and practitioners in mathematics, physics, engineering, and the sciences, this template offers a clear conceptual framework for understanding limits as the foundation of calculus.
This mind map, titled Work and Power, provides a structured overview of the core concepts of work and power, including the work-energy relation, work calculations for constant and variable forces, power, the work characteristics of different force types, and typical applications. The mind map begins with the work-energy relation as the central idea, establishing work as the transfer of energy. Calculating work covers constant force ( W = F ⋅ d = F d cos θ W=F⋅d=Fdcosθ) and variable force ( W = ∫ F ⋅ d s W=∫F⋅ds). Work by multiple forces addresses the net work done by all forces acting on a system. Power is defined as the rate of doing work ( P = d W / d t P=dW/dt) and expressed as P = F ⋅ v P=F⋅v. Types of forces and their work distinguish conservative forces (gravity, spring force, etc., where work is path-independent) from non-conservative forces (friction, etc., where work is path-dependent). Graphical and conceptual tools use area under force-displacement curves to visualize work. Typical applications include surfaces and ramps, springs and oscillations, and constant power scenarios. Common pitfalls and clarifications address misconceptions. Designed for students and practitioners in physics and engineering, this template offers a clear conceptual framework for understanding work and power as fundamental concepts in mechanics.
This mind map, titled Isotopes, provides a structured overview of the core concepts of isotopes, including their definition, atomic structure basis, notation, types (stable vs. radioisotopes), ratio reporting, detection methods, and applications across multiple disciplines. The mind map begins with the definition of isotopes as atoms of the same element with the same number of protons but different numbers of neutrons. Atomic structure basics review the nucleus (protons + neutrons) and electron configuration, explaining why isotopes exist. Isotopic notation and terminology cover nuclide representation (e.g., 12 C 12 C, 14 C 14 C) and related terms. Types of isotopes distinguish stable isotopes (non-decaying) from radioisotopes (unstable, undergo radioactive decay). Isotope ratios and common reporting introduce δ-notation, standard reference materials, and typical units. Detection and quantification methods include mass spectrometry (e.g., IRMS, TIMS) and decay counting techniques. Applications span medicine (diagnosis, radiotherapy), earth science (geochronology), environmental science (tracers), archaeology (radiocarbon dating), ecology (food web analysis), and industry (tracers, nondestructive testing). Why isotopic variation matters summarizes the significance of isotopic analysis. Common misconceptions clarify distinctions between isotopes and allotropes, among other concepts. Designed for students and practitioners in chemistry, physics, earth sciences, medicine, and environmental science, this template offers a clear conceptual framework for understanding isotopes and their practical importance.
This mind map, titled What is a Limit, provides a structured overview of the core concept of limits, including formal definitions, intuitive understanding, one-sided vs. two-sided limits, limits at infinity, infinite limits, conditions for existence or failure, indeterminate forms, evaluation techniques, and the relationship between limits and continuity. The mind map begins with “What is a Limit,” establishing limits as describing a function’s behavior near a point. Intuitive understanding builds a formal picture through the ε ε strip and δ δ neighborhood. One-sided and two-sided limits clarify conditions for limit existence. When limits exist or fail covers jumps, oscillations, and infinite behavior. Limits at infinity and infinite limits are distinguished. Indeterminate forms highlight why extra work is needed beyond direct substitution. Techniques to evaluate limits include direct substitution, algebraic simplification, geometric limits, the squeeze (sandwich) theorem, and techniques for handling infinity. Continuity is defined in terms of limits, with the condition that the limit equals the function value at a point. Typical misconceptions are addressed to clarify foundational understanding. Designed for students and practitioners in mathematics, physics, engineering, and the sciences, this template offers a clear conceptual framework for understanding limits as the foundation of calculus.
This mind map, titled Work and Power, provides a structured overview of the core concepts of work and power, including the work-energy relation, work calculations for constant and variable forces, power, the work characteristics of different force types, and typical applications. The mind map begins with the work-energy relation as the central idea, establishing work as the transfer of energy. Calculating work covers constant force ( W = F ⋅ d = F d cos θ W=F⋅d=Fdcosθ) and variable force ( W = ∫ F ⋅ d s W=∫F⋅ds). Work by multiple forces addresses the net work done by all forces acting on a system. Power is defined as the rate of doing work ( P = d W / d t P=dW/dt) and expressed as P = F ⋅ v P=F⋅v. Types of forces and their work distinguish conservative forces (gravity, spring force, etc., where work is path-independent) from non-conservative forces (friction, etc., where work is path-dependent). Graphical and conceptual tools use area under force-displacement curves to visualize work. Typical applications include surfaces and ramps, springs and oscillations, and constant power scenarios. Common pitfalls and clarifications address misconceptions. Designed for students and practitioners in physics and engineering, this template offers a clear conceptual framework for understanding work and power as fundamental concepts in mechanics.
This mind map, titled Isotopes, provides a structured overview of the core concepts of isotopes, including their definition, atomic structure basis, notation, types (stable vs. radioisotopes), ratio reporting, detection methods, and applications across multiple disciplines. The mind map begins with the definition of isotopes as atoms of the same element with the same number of protons but different numbers of neutrons. Atomic structure basics review the nucleus (protons + neutrons) and electron configuration, explaining why isotopes exist. Isotopic notation and terminology cover nuclide representation (e.g., 12 C 12 C, 14 C 14 C) and related terms. Types of isotopes distinguish stable isotopes (non-decaying) from radioisotopes (unstable, undergo radioactive decay). Isotope ratios and common reporting introduce δ-notation, standard reference materials, and typical units. Detection and quantification methods include mass spectrometry (e.g., IRMS, TIMS) and decay counting techniques. Applications span medicine (diagnosis, radiotherapy), earth science (geochronology), environmental science (tracers), archaeology (radiocarbon dating), ecology (food web analysis), and industry (tracers, nondestructive testing). Why isotopic variation matters summarizes the significance of isotopic analysis. Common misconceptions clarify distinctions between isotopes and allotropes, among other concepts. Designed for students and practitioners in chemistry, physics, earth sciences, medicine, and environmental science, this template offers a clear conceptual framework for understanding isotopes and their practical importance.
Analog chip: 90nm or above
Investment logic
Offensive
Domestic substitution: 12%
Profitability
Defensive
Weak cycle: many product types
scale
Following the semiconductor cycle fluctuations, global US$70 billion
Fragmented competitive landscape
Texas Instruments
Classification
Power management chip
AC/DC
Rectifier
inverter
DC/DC
linear regulator
switching regulator
Signal chain chips $10 billion
linear products
amplifier
Comparators
Analog switch
converter
Interface products
How to see
long
Comprehensive differentiated products
short term
Category expansion
Downstream application expansion
New customer introduction
Shengbang Shares
Serip
Nanocore Micro