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Digital ICs Technical Articles
Test & Measurement
The Karnaugh Map Boolean Algebraic Simplification Technique
Learn about the Karnaugh map (K-map) technique for Boolean algebraic simplification. What advantages and disadvantages do they have?
June 24, 2016
T Is for Toggle: Understanding the T Flip-Flop
This tech brief provides an overview of a somewhat uncommon member of the flip-flop family.
April 17, 2018
Universal Logic Gates
NAND and NOR gates are widely known to be universal logic gates, meaning that any other logic gate be made from NAND or NOR gates. This article discusses other universal logic gates....
November 06, 2015
The Why and How of Differential Signaling
Learn about the important characteristics, benefits, and applications of differential signaling, as well as the proper layout techniques for differential signals....
November 16, 2016
What Is an FPGA? An Introduction to Programmable Logic
Learn about a hardware-based approach to performing calculations, routing digital signals, and controlling embedded systems using programmable logic and FPGAs....
August 13, 2018
Integer and Its Subtypes in VHDL
This article will discuss the VHDL integer data type.
January 29, 2018
FIR Filter Design by Windowing: Concepts and the Rectangular Window
In this article, we'll review the basic concepts in digital filter design. We'll also briefly discuss the advantages of FIR filters over IIR designs, e.g. stability and linear-phase response....
May 12, 2016
Conversion of D Flip-Flops
This article presents the conversions of D-type flip-flops into SR-, JK- and T-types. It also explains how to verify the conversion process....
August 25, 2016
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
Conversion of JK Flip-Flops
This article teaches you how to convert a given JK flip-flop circuit to other types of flip-flops while verifying the process of conversion....
August 10, 2016
Design Examples of FIR Filters Using the Window Method
In this article, we will discuss several design examples of FIR filters using the window method. The simulated frequency response of the designed filters will be compared with the target...
July 26, 2016
Conversion of T Flip-Flops
Here we convert the given T flip-flop into SR-, JK- and D-types, and we also verify the process of conversion.
September 14, 2016
Implementing a Low-Pass Filter on FPGA with Verilog
Learn how to implement a moving average filter and optimize it with CIC architecture.
July 13, 2017
Mohammad Amin Karami
Sequential VHDL: If and Case Statements
This article will review two important sequential statements in VHDL, namely “if” and “case” statements.
February 21, 2018
How to Design Schmitt Trigger Oscillators
This article discusses the good and the bad regarding Schmitt Trigger RC oscillators. These oscillators are especially important because they are present in the internal oscillator in many...
May 24, 2018
Introduction to Pass-Transistor Logic
This article explores an alternative, and in some cases advantageous, approach to MOSFET-based implementation of digital logic functions....
December 17, 2018
Basic Binary Division: The Algorithm and the VHDL Code
This article will review a basic algorithm for binary division.
May 09, 2018
SR-to-D and SR-to-T Flip-Flop Conversions
This article will teach you how to verify flip-flop conversions for SR-to-JK flip-flops. It will also guide you through the conversion and verification processes for SR-to-D and SR-to-T...
July 28, 2016
How to Use VHDL Components to Create a Neat Hierarchical Design
This article defines VHDL components, describes component declaration, and gives examples of how to use VHDL components in your code. It also touches on the "for-generate" statement and its...
April 06, 2018
The Basics of Emitter-Coupled Logic
This article will review the operation of a basic ECL inverter/buffer, and then we’ll look at some of the most important features of this logic family....
July 12, 2018
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