RF Circuit Toolbox vs Digital Electronics Guide

This App is made for Radio Frequency (RF) engineers and students by RF engineers and students. Here you will find various simple RF circuit calculators, which would help you to - convert wavelength to frequency; - convert power levels –> W, dBm, dBW; - synthesize capacitive and inductive transformers; - visualize amplitude and angle modulated signals in time domain; - visualize noise in oscillators (Leeson's noise model); - find optimal generator and load admittance of a 2-port; - make a fast estimation of quantities, such as skin depth, available noise power, bandwidth of CW modulated signals and many more. The App also contains short summaries on RF and microwave circuits as well as a free book on RF circuit design with the following chapters: - Passive RF circuits. - Linear active two-ports. - Noise and distortion. - Power and nonlinear RF-Amplifiers. - Oscillators. - Mixers and detectors. - Modulation, transmission, and demodulation. The quizzes are included to test your knowledge of the topic. The development of the App has been supported by the Technical University of Denmark (DTU), so NO adds nor any other type of monetization is included.

Digital Electronics Guide is a powerful reference tool for electronics students, engineers, and hobbyists. Whether you're just starting out or already experienced, this app helps you design, learn, and prototype with ease. It combines essential theory with practical guides and covers key digital electronics topics, including logic gates, counters, flip-flops, and IC reference data. The app also features detailed information on popular digital IC families such as TTL 7400 and CMOS 4000 series. Perfect for quick learning or as a companion for working on electronic circuits and digital systems. Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language! The app includes detailed tutorials and references for: • Basic logic • Families of digital chips • Universal logic elements • Elements with Schmitt trigger • Buffer elements • Flip-flops • Registers • Counters • Adders • Multiplexers • Decoders and demultiplexers • 7-segment LED drivers • Encryptors • Digital comparators • Astable CMOS Oscillators • Monostable CMOS Oscillators • Bistable CMOS Oscillators • Gated CMOS Oscillators • TTL Oscillators • 7400 series ICs • 4000 series ICs Whether you're learning, teaching, or building real-world digital circuits, Digital Electronics Pro is your trusted companion every step of the way.