This article is the second of a series on microcontroller timers. This article describes a more complex timer called the PWM or pulse-width modulation timer.
February 07, 2020 by Stephen Colley
In this article, we will see how we can determine the SFDR for an ADC used in a radio receiver. Also, we’ll examine the ADC SNR requirement for this application.
December 22, 2019 by Dr. Steve Arar
In this article, we’ll look at the spurious free dynamic range (SFDR) which is a popular specification for quantifying the linearity of a circuit.
December 01, 2019 by Dr. Steve Arar
Learn how to hook up an analog input (potentiometer) and output (LED) using a Microchip BLE module.
October 21, 2019 by Aaron Hanson
Learn how to use a Microchip module to prototype digital input and digital control peripherals.
October 13, 2019 by Aaron Hanson
Learn about the RN487x family of Bluetooth modules and how to configure them for your low-power peripheral projects.
October 12, 2019 by Aaron Hanson
Learn about interrupts for some familiar peripherals: timers, serial communication, and ADCs.
October 03, 2019 by Philip Asare
Learn about the terahertz band, its properties, and the applications where it's finding utility.
September 12, 2019 by Dr. Neda Khiabani
Researchers at Northwestern University Center for Bio-Integrated Electronics are championing the development of sweat biosensors with their latest glucose and lactate sensors.
June 27, 2019 by Orlando Hoilett
This article continues a discussion of microcontroller features and characteristics that are particularly important when you’re thinking in terms of DSP capabilities.
April 08, 2019 by Robert Keim
This article introduces the Controller Area Network (CAN) serial communication bus, detailing message frames, bus arbitration, and signaling.
February 19, 2019 by Stephen St. Michael
This article discusses how to interpret and specify bandwidth in systems that involve data transmission and digital processing.
November 27, 2018 by Robert Keim
This article explores the surprisingly complicated details associated with a word that we frequently use but perhaps don’t fully understand.
November 26, 2018 by Robert Keim
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.
October 04, 2018 by Robert Keim
An improved algorithm, in conjunction with quadrature modulation, can achieve FSK decoding that is not affected by phase misalignment.
October 01, 2018 by Robert Keim
In this article we’ll use Scilab to explore the effect of unpredictable phase variations in a demodulated frequency-shift-keying baseband signal.
September 28, 2018 by Robert Keim
Learn about a DSP technique that extracts the original digital data from a demodulated frequency-shift-keying baseband signal.
September 25, 2018 by Robert Keim
In this article, we’ll use Scilab to create an FM waveform that carries information corresponding to an audio recording.
September 17, 2018 by Robert Keim
Computing a discrete Fourier transform can help you to analyze the ways in which RF modulation affects the spectrum of a carrier signal.
September 11, 2018 by Robert Keim
In this article we’ll work with sinusoidal signals in the frequency domain using Scilab’s fast Fourier transform (FFT) functionality.
September 04, 2018 by Robert Keim
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