Latest Communication Technical Articles

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How Do I Prep My PCB for Fabrication? Accelerating PCB Assembly with Design Best Practices

In this article, Parker Dillman, lead EE and co-founder of MacroFab, covers how to best prepare your PCB designs for fabrication and assembly.

January 15, 2019 by Parker Dillmann, MacroFab

How to Design Charge Amplifiers for Piezoelectric Sensors

This article explores charge-amplifier design details, including ESD protection and frequency response.

October 23, 2018 by Robert Keim

Understanding and Implementing Charge Amplifiers for Piezoelectric Sensor Systems

In this article we’ll explore a circuit that produces an output voltage proportional to the charge generated by a piezoelectric transducer.

October 22, 2018 by Robert Keim

Understanding and Modeling Piezoelectric Sensors

This article explains some theory behind piezoelectric sensors and presents an equivalent circuit that you can use when you’re designing sensor systems.

October 15, 2018 by Robert Keim

How to Process I/Q Signals in a Software-Defined RF Receiver

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

How to Use I/Q Signals to Design a Robust FSK Decoder

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

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.

September 28, 2018 by Robert Keim

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.

September 25, 2018 by Robert Keim

Rigid-Flex PCB Design: Benefits and Design Best Practices

This article will discuss what rigid-flex PCBs are, the advantages of using them, and the rules for designing with them for an application.

September 24, 2018 by John Ross

Understanding Color Models Used in Digital Image Processing

Learn about digital-signal-processing concepts that help us to store and manipulate color information.

August 17, 2018 by Robert Keim

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.

July 31, 2018 by Mark Mitchell

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.

July 25, 2018 by Marie Christiano

Design Solution: Using a Small Amount of Space to Add More USB Ports to a Vehicle

This article looks at a solution to add additional USB charging ports to a vehicle using a single chip containing all the necessary parts and delivers 5V to the device.

July 10, 2018 by Nazzareno Rossetti, Maxim Integrated

Use the Xilinx System Generator to Implement a Simple DDS

In this article, we’ll discuss implementing a simple direct digital synthesizer (DDS) using the Xilinx System Generator.

July 02, 2018 by Dr. Steve Arar

Basics of Phase Truncation in Direct Digital Synthesizers

This article will discuss phase truncation in direct digital synthesizers.

June 20, 2018 by Dr. Steve Arar

Pipelined Direct Form FIR Versus the Transposed Structure

This article will review two pipelined structures to implement a high throughput FIR filter.

May 21, 2018 by Dr. Steve Arar

Considerations for FPGA Implementation of Linear-Phase FIR Filters

This article will review considerations for efficient FPGA implementation of symmetric FIR filters.

May 17, 2018 by Dr. Steve Arar

Introduction to Distributed Arithmetic

This article will review the distributed arithmetic which is an interesting method of efficiently implementing multiply-and-accumulate operations.

May 11, 2018 by Dr. Steve Arar

Use the Xilinx CORDIC Core to Easily Generate Sine and Cosine Functions

This article will review integrating a Xilinx IP core into an FPGA design.

May 02, 2018 by Dr. Steve Arar

How Does Xilinx Use Its Logic Fabric to Implement Efficient Multipliers?

This article will review the structure of the binary multipliers that use the look-up tables (LUTs) in the Xilinx logic fabric.

April 30, 2018 by Dr. Steve Arar