What is the IES Electronics and Telecommuncation Engineering Paper 1 Syllabus?
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1 Answer
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Topics Subtopics
Basic Electronics Engineering - Basics of semiconductors;
- Diode/Transistor basics and characteristics;
- Diodes for different uses;
- Junction & Field Effect Transistors (BJTs, JFETs, MOSFETs);
- Transistor amplifiers of different types, oscillators and other circuits; Basics of Integrated Circuits (ICs);
- Bipolar, MOS and CMOS ICs; Basics of linear ICs, operational amplifiers and their applications-linear/non-linear;
- Optical sources/detectors;
- Basics of Optoelectronics and its applications
Basic Electrical Engineering - DC circuits-Ohm’s & Kirchoff’s laws, mesh and nodal analysis, circuit theorems;
- Electro-magnetism, Faraday’s & Lenz’s
laws, induced EMF and its uses; - Single-phase AC circuits;
- Transformers, efficiency;
- Basics-DC machines, induction machines, and synchronous machines; Electrical power sources- basics: hydroelectric, thermal, nuclear, wind, solar;
- Basics of batteries and their uses.
Materials Science - Electrical Engineering materials;
- Crystal structure & defects;
- Ceramic materials-structures, composites, processing and uses;
- Insulating laminates for electronics, structures, properties and uses;
- Magnetic materials, basics, classification, ferrites, ferro/para-magnetic materials and components;
- Nano materials-basics, preparation, purification, sintering, nano particles and uses;
- Nano-optical/magnetic/electronic materials and uses;
- Superconductivity, uses.
Electronic Measurements and Instrumentation - Principles of measurement, accuracy, precision and standards;
- Analog and Digital systems for measurement, measuring instruments for different applications; Static/dynamic characteristics of measurement systems, errors, statistical analysis and curve fitting;
- Measurement systems for non-electrical quantities;
- Basics of telemetry; Different types of transducers and displays; Data acquisition system basics.
Network Theory - Network graphs & matrices;
- Wye-Delta transformation;
- Linear constant coefficient differential equations- time domain analysis of RLC circuits;
- Solution of network equations using Laplace transforms- frequency domain analysis of RLC circuits; 2-port network parameters-driving point & transfer functions; State equations for networks; Steady state sinusoidal analysis.
Analog and Digital Circuits - Small signal equivalent circuits of diodes, BJTS and FETs;
- Diode circuits for different uses;
- Biasing & stability of BJT & JFET amplifier circuits;
- Analysis/design of amplifier- single/multi-stage; Feedback& uses; Active filters, timers, multipliers, wave shaping, A/D-D/A converters;
- Boolean Algebra& uses;
- Logic gates, Digital IC families, Combinatorial/sequential circuits;
- Basics of multiplexers, counters/registers/ memories /microprocessors, design& applications
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The authority activated the UPSC IES 2026 application apply link on the official website at upsconline.nic.in. Candidates can apply via direct link provided on this page as well.
The UPSC IES 2025 Mains exam result is expected to be released in September 2025 or October first week. The commission has not yet announced the release date for the Mains result. The UPSC IES 2025 Mains exam was conducted on August 10.
The Commission will release the UPSC ESE 2026 Mains exam schedule on the official website at upsc.gov.in. Candidates who have will cleare the Prelims exam will be eligible to appear for the Mains exam on June 21, 2026. The schedule of the Mains exam once released will also be mentioned here:
As per the announced date, UPSC ESE 2026 Mains exam will be conducted on June 21, 2026 in two shifts.
Candidates are advised to analyze the previous years' cutoff, as it is a part of effective preparation. It also provides insights into the difficulty level of the exam, trends, and also the exam pattern or question pattern. It helps candidates to prioritize their preparation accordingly, set their targets, understand the important areas to focus on, make proper study plans, gain confidence, etc.
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