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An Op-Amp Limiter: How to Limit the Amplitude of Amplified Signals
This article, part of AAC’s Analog Circuit Collection, explores the design and functionality of an op-amp-based limiter.
January 11, 2018
Simplifying VHDL Code: The Std_Logic_Vector Data Type
This article will review the "std_logic_vector" data type which is one of the most common data types in VHDL.
January 05, 2018
How to Multiply RF Signals without a Multiplier: The Switching Mixer
This article introduces an important technique used to perform frequency mixing in modern RF circuits.
January 04, 2018
Concurrent Conditional and Selected Signal Assignment in VHDL
This article will review the concurrent signal assignment statements in VHDL.
January 03, 2018
Better Know a Hardware Description Language: Getting Started with VHDL for Digital Circuit Design
This article gives some introductory examples for VHDL coding, a hardware description language used in digital circuit design.
December 29, 2017
GPS Times, Atomic Clock Frequencies, and the Increasing Accuracy of GPS
GPS as we know it requires the precision of atomic clocks. This article looks at the importance of timing for GPS and the clocks that provide it....
December 22, 2017
Multiplication Examples Using the Fixed-Point Representation
This article will discuss several multiplication examples using the fixed-point representation.
December 15, 2017
Pixel Intensity Histogram Characteristics: Basics of Image Processing and Machine Vision
This article introduces the image histogram and discusses its characteristics and applications.
December 07, 2017
The Polyphase Implementation of Interpolation Filters in Digital Signal Processing
This article discusses an efficient implementation of the interpolation filters called the polyphase implementation.
December 06, 2017
Handling Fragile and Irregular PCBs in Processing and Testing Machines
Manufacturers can use fixtures or panels to secure or frame fragile, thin, or oddly shaped PCBs. This allows them to easily fit the boards in the standard assembly or inspection machines....
December 03, 2017
Fixed-Point Representation: The Q Format and Addition Examples
Fixed-point representation allows us to use fractional numbers on low-cost integer hardware.
November 30, 2017
Power Hold-Up and Energy Storage Management Devices
In this article, we discuss power hold-up and some energy storage management devices in the context of SSDs.
November 22, 2017
PCB Layout for an Arbitrary Waveform Generator
In this article we’ll discuss the PCB layout for a custom-designed arbitrary waveform generator board.
November 17, 2017
Two’s Complement Representation: Theory and Examples
This article will review the theory of the two’s complement representation along with some examples.
November 16, 2017
Circular Buffer: A Critical Element of Digital Signal Processors
This article discusses circular buffering, which allows us to significantly accelerate the data transfer in a real-time system.
November 13, 2017
Rigid vs. Flexible PCBs: Which One is Best for Your Next Project?
Learn about rigid PCBs vs. flexible PCBs, when it's better to use one type instead of the other, and learn about some manufacturing steps related to each of these PCB types....
November 10, 2017
Purpose and Internal Functionality of FPGA Look-Up Tables
This article explains the Look-Up Tables (LUTs) constituting Field Programmable Gate Arrays (FPGAs).
November 09, 2017
PCB Copper Trace Finish: Materials and Plating Methods
In this article, we discuss why PCB copper traces should be plated, and we’ll review various plating materials and plating methods.
November 03, 2017
Companding: Logarithmic Laws, Implementation, and Consequences
This article aims to explain the logarithmic laws of companding and the methods of implementation along with the effects these methods bring into the PCM-based telephone systems....
October 30, 2017
Overcurrent Protection in AC Power Systems
Get an intro to overcurrent protection and OCPDs (overcurrent protection devices).
October 27, 2017
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