Products

Simulation-first ebooks and a free Windows tool from Mathuranathan Viswanathan — build communication-system models from scratch, or check datasheets against your board limits locally.

Checkout: Instant PDF download via the PayPal gateway (a PayPal account is not required — card works). Paperback editions are sold on Amazon from each book page.
India / payment help: If checkout fails from your region, email [email protected] with the title you need.

eBooks

Cover: Digital Modulations using Python

Digital Modulations using Python

Build digital modulation simulation models from scratch in Python 3 — waveform and complex-baseband modems, AWGN/fading BER curves, linear equalizers, and receiver-impairment demos with NumPy, SciPy, and Matplotlib.

  • BPSK/QPSK variants, M-PSK, M-QAM, M-PAM, CPM/MSK/GMSK, M-FSK
  • Object-oriented modem examples and LMS adaptive equalization
  • PDF ebook with runnable scripts · paperback on Amazon

$14.99 · PDF · instant download

Cover: Wireless Communication Systems in Matlab, Second Edition

Wireless Communication Systems in Matlab Second Edition

End-to-end wireless simulations in Matlab — modulation, coding, OFDM, fading channels, equalizers, and BER performance curves you can run and extend.

  • AWGN and multipath fading models with Monte Carlo BER links
  • OFDM and practical receiver blocks for system-level study
  • PDF ebook with Matlab scripts · paperback on Amazon

$14.99 · PDF · instant download

Cover: Digital Modulations using Matlab

Digital Modulations using Matlab

Learner-friendly, example-driven Matlab guide to modeling digital modulation systems from scratch — mostly without Communications Toolbox helpers, so every block stays transparent.

  • Passband and complex-baseband modulators/demodulators
  • ZF/MMSE equalizers and IQ imbalance / DC-offset compensation
  • PDF ebook with Matlab scripts · paperback on Amazon

$14.99 · PDF · instant download

Bundle tip: Get 20% off when checking out all three ebooks — use coupon FFT20 at checkout.

Software

SpecsCore AI logo

SpecsCore AI – Free Windows Evaluator

Local-first Windows tool that checks manufacturer datasheets against your board design limits — citation-backed compliance matrix, bring-your-own API key (Gemini / OpenAI / Anthropic).

  • Runs on your PC · Windows 10/11 (64-bit)
  • User Guide PDF included with the download
  • Free evaluator — full product notes on the SpecsCore page

Free · Windows installer