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Digital Signal Processing in Scilab: Understanding Phase Misalignment in FSK Decoding

Digital Signal Processing in Scilab: Understanding Phase Misalignment in FSK Decoding

In this article we’ll use Scilab to explore the effect of unpredictable phase variations in a demodulated frequency-shift-keying baseband signal.


Digital Signal Processing in Scilab: How to Decode an FSK Signal

Digital Signal Processing in Scilab: How to Decode an FSK Signal

Learn about a DSP technique that extracts the original digital data from a demodulated frequency-shift-keying baseband signal.


How to Perform Frequency Modulation with a Digitized Audio Signal

How to Perform Frequency Modulation with a Digitized Audio Signal

In this article, we’ll use Scilab to create an FM waveform that carries information corresponding to an audio recording.


How to Use Scilab to Analyze Frequency-Modulated RF Signals

How to Use Scilab to Analyze Frequency-Modulated RF Signals

Computing a discrete Fourier transform can help you to analyze the ways in which RF modulation affects the spectrum of a carrier signal.


How to Use Scilab to Analyze Amplitude-Modulated RF Signals

How to Use Scilab to Analyze Amplitude-Modulated RF Signals

Scilab’s FFT functionality can help you understand the frequency-domain effects of RF modulation techniques.


How to Perform Frequency-Domain Analysis with Scilab

How to Perform Frequency-Domain Analysis with Scilab

In this article we’ll work with sinusoidal signals in the frequency domain using Scilab’s fast Fourier transform (FFT) functionality.


Learn RF Design: Choosing the Right RF Transceiver IC

Learn RF Design: Choosing the Right RF Transceiver IC

Learn about integrated circuits that can help you to design customized RF communication systems.


Wireless RF Energy Harvesting: RF-to-DC Conversion and a Look at Powercast Hardware

Wireless RF Energy Harvesting: RF-to-DC Conversion and a Look at Powercast Hardware

This article looks at the technology and the sample kits that Powercast provides users who want to learn more about the technology.


Introduction to the Two-Cavity Klystron Amplifier

Introduction to the Two-Cavity Klystron Amplifier

Klystron amplifiers are used in a variety of industries, including satellite systems, television broadcasting, radar, particle accelerators, and in the medical field. In this article, we'll learn about the two-cavity klystron's unique build and the concept of electron bunching.


How Do Satellites Communicate with a GPS System? A Look at the GPS Antenna

How Do Satellites Communicate with a GPS System? A Look at the GPS Antenna

Antennas provide the wireless linkage required for any satellite-based system. Here's a look at the many antennas of GPS.


Beyond the Optocoupler: Understanding Digital Isolators

Beyond the Optocoupler: Understanding Digital Isolators

Optocouplers are undoubtedly effective, but alternative isolation technologies may be a better choice for your application.


Understanding the Dynamic Range Specification of an ADC

Understanding the Dynamic Range Specification of an ADC

This article will discuss the dynamic range specification of an ADC.


Basics of Digital Down-Conversion in DSP

Basics of Digital Down-Conversion in DSP

This article discusses digital down-conversion which is a digital-signal-processing technique widely used in digital radio receivers.


Hardware Evaluation of a Custom Programmable Wi-Fi Controller: The WiCard

Hardware Evaluation of a Custom Programmable Wi-Fi Controller: The WiCard

This article explores the schematic design and basic features of a smart programmable wireless controller module I designed: the WiCard.


What Is the Difference between Conducted and Radiated EMI?

What Is the Difference between Conducted and Radiated EMI?

This technical brief explains two distinct types of electromagnetic interference.


How to Stream Sensor Data from Bosch’s XDK110 Evaluation Board to the MQTT Messaging Service

How to Stream Sensor Data from Bosch’s XDK110 Evaluation Board to the MQTT Messaging Service

In this article, we will take a look at the XDK110 rapid prototyping kit, characterize its hardware, explore its software environment, and demonstrate connecting the device to the MQTT messaging service.


Projects Apr 12, 2018 by Mark Hughes
How to Add Bluetooth 5 to a Project with a GT-tronics BLE5 Module

How to Add Bluetooth 5 to a Project with a GT-tronics BLE5 Module

This article demonstrates a solderless-breadboard compatible carrier-board for a pre-certified BLE4 or BLE5 module made by GT-Tronics. Use it to experiment with your own BLE5 compatible designs.


Projects Apr 04, 2018 by Mark Hughes
PLL Frequency Multiplication: Transient Response and Frequency Synthesis

PLL Frequency Multiplication: Transient Response and Frequency Synthesis

Does the addition of a feedback divider affect PLL transient response? We’ll look at this question and other frequency-multiplication topics in this article.


Understanding PLL Applications: Frequency Multiplication

Understanding PLL Applications: Frequency Multiplication

This article explains how a PLL can be used to produce a high-frequency clock from a low-frequency reference signal.


Designing and Simulating an Optimized Phase-Locked Loop

Designing and Simulating an Optimized Phase-Locked Loop

In this article we’ll explore PLL transient-response optimization using simulations and a design example.