Wireless/RF Technical Articles

This article discusses the mathematical significance of I/Q signals and presents the final steps in the DSP algorithm for decoding frequency-shift-keying baseband signals....

An improved algorithm, in conjunction with quadrature modulation, can achieve FSK decoding that is not affected by phase misalignment.

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

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

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

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

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

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

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

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...

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

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

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

This technical brief explains two distinct types of electromagnetic interference.

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....

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

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

In this article we’ll explore the mathematical relationships that will help you to design a PLL that quickly and smoothly locks onto the input frequency....

In this article we’ll use SPICE simulations to take a close look at how a phase-locked loop enters the locked state.