JNTU B.Tech ECE 2026: Syllabus, Papers & R20/R23

• Continuous & Discrete Time Signals
• LTI Systems — Properties, Convolution
• Fourier Series & Fourier Transform
• Laplace Transform
• Z-Transform
• Sampling Theorem

• PN Junction — Diode characteristics
• Rectifiers — Half wave, Full wave, Bridge
• BJT — CE/CB/CC configurations, biasing
• FET — JFET, MOSFET characteristics
• Amplifiers — Small signal models
• Feedback Amplifiers — Oscillators

• Number systems — conversions
• Logic gates — SOP, POS, K-maps
• Combinational circuits — Adder, Encoder
• Sequential circuits — FF, Counters, Registers
• PLAs, PALs — Programmable logic
• Hazards in combinational circuits

• AM — DSB-SC, SSB, VSB modulation
• FM & PM — Wideband, Narrowband
• AM/FM Receivers — Super Heterodyne
• Noise — SNR, figure of merit
• Modulators & Demodulators
• Multiplexing — FDM, TDM

• DFT & IDFT — FFT algorithms
• Z-Transform — Properties, inverse
• IIR Filters — Butterworth, Chebyshev
• FIR Filters — Window method
• Circular convolution
• Multirate signal processing basics

• Maxwell's Equations
• Wave equation — EM wave propagation
• Transmission lines — impedance, reflections
• Smith chart — impedance matching
• Polarization types
• Poynting vector — power flow

• CMOS fabrication process
• Static & Dynamic CMOS logic
• Combinational VLSI design
• Sequential VLSI — latches, flip-flops
• Verilog / VHDL HDL basics
• FPGA architecture

• Transfer function — block diagram reduction
• Signal flow graph — Mason's formula
• Time response — transient, steady state
• Stability — Routh Hurwitz
• Root locus method
• Bode plot, Nyquist plot

Exam 1 month ముందు previous papers start చేయండి. Daily 2 subjects cover చేయండి. ECE subjects theory heavy — derive అవడం practice చేయండి.

Last 5 years papers solve చేయండి. 70% questions repeat అవుతాయి. Signals, EDC, Communications, VLSI — అన్నీ derivation-heavy. Formula sheet prepare చేయి.