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March 23, 2023

What does a member have to subvert radio and television?

Foreword Speaking of non-screen TVs, everyone will first think of this brand, since its launch of the “No Screen TV” category in the market in 2014, its series of products have achieved excellent workmanship and excellent design. , excellent quality and high cos

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March 23, 2023

Is the power filter capacitor's capacity the better?

When most readers learn the concept of capacitors, the first application that comes in contact with may be filtering. The most common and simplest single-capacitor filter circuit is shown in the following figure: The relevant input and output waveforms are shown in the

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March 22, 2023

555-based RS triggering works

The figure shows the connection diagram using 555 as the RS trigger. If the control voltage of the control terminal 5 is removed, the 555 does not need to be connected to any component. As long as the negative and positive control pulses are added to the 2 and 6 pins respectively, an RS trigger c

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March 22, 2023

HTC's last "lifebuoy" to improve performance - VR

2017 is the 20th year of HTC's founding. But no one would have thought that this former mobile phone giant would encounter the biggest "mileage tragedy" since its establishment. In September of this year, an agreement signed by HTC and Google accelerated the pac

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March 22, 2023

Unusual breaks in the ARM system and how to deal with them

In the ARM system, there are usually 3 ways to control the execution flow of the program: • During normal program execution, the value of the program counter register (PC) is incremented by 4 bytes for each execution of an ARM instruction, and the value of the pr

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March 21, 2023

Introduction to three common signal integrity test methods

Signal integrity testing methods can be divided into three main categories. Some of these methods are described below. Jitter test Jitter testing is gaining more and more attention now, as dedicated jitter testing instruments, such as the TIA (Time Interval Analyzer), SIA300

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