Essential information for charging! Top 10 most popular technical articles in 2018
New year new life.
For the past year, we have too many good things to review, such as the summary of new products in 2018 , the 6 most popular e-books in 2018 ...
Today, I have selected the top 10 most popular technical articles based on your favorite content in 2018. Let’s see if you missed any of them at that time.
Why isolate LVDS?
Low Voltage Differential Signaling (LVDS) is a high-speed interface commonly used in higher performance converters and high bandwidth FPGA or ASIC I/Os. Adding isolation to the LVDS interface is a transparent solution that can be inserted into existing signal chains for high-speed and precision measurement and control applications.
A small tool that can instantly complete circuit characteristic measurement
The white noise generator described in this article is a small but important tool. As measurement time increases, a standard instrument for low-frequency applications—a simple, reliable, portable device that can measure circuit characteristics almost instantaneously—is a welcome addition to the engineer's toolbox.
Is it true that noise spectral density is more useful than signal-to-noise ratio?
Noise spectral density (NSD) is arguably more useful than signal-to-noise ratio (SNR) when comparing systems operating at different speeds, or looking at how a software-defined system handles signals of different bandwidths. While it cannot replace the other specifications, it is a useful parameter to have in your analysis toolbox.
How to use ultra-low noise LDO to provide "clean" power
While an LDO regulator is typically one of the lowest cost components in any given system, it is often one of the most valuable components from a cost/benefit perspective. In addition to output voltage regulation, another key task of the LDO regulator is to protect expensive downstream loads from harsh environmental conditions such as voltage transients, power supply noise, reverse voltage, current surges, etc.
Is your op amp oscillating?
There are many things that can cause an amplifier to oscillate -
Different types of loads may cause the amplifier to ring;
Improperly designed feedback networks can cause instabilities
Inadequate power supply bypassing can also cause problems
The input and output may also self-oscillate as a single-port system;
…
To address these issues, this article explores common causes of oscillation and how to remedy them.
Understanding 4-wire SPI in one article
SPI is a synchronous, full-duplex, master-slave interface. Data from the master or slave is synchronized on the rising or falling edge of the clock. The master and slave can transmit data at the same time. The SPI interface can be 3-wire or 4-wire. This article focuses on the commonly used 4-wire SPI interface.
Why 100Ω? The serious professor found that the simple conclusion is not simple.
You may hear "a resistor of about 100 Ω" when you ask what to put before the MOSFET gate. Although we are very sure about the answer to this question, you may still want to ask "Why? What is its specific function? Why is the resistance value 100 Ω?"
Every article is very exciting, isn’t it!
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