Shenzhen Xintianyuan Electronics Co., Ltd. is located in Hongfa Industrial Park, a beautiful lakeside of Shiyan Town, Bao'an District, Shenzhen. It is a high-tech enterprise specializing in quartz crystals, crystal oscillators, SMD crystal oscillators, and active crystal oscillator components. It integrates the research and development, design, manufacturing, marketing and service of quartz crystals. It has a 10,000-level cleanroom, internationally advanced production equipment, special testing instruments, the latest technology and dozens of professional and technical personnel. The products are widely used in security monitoring systems, mobile phones, e-books, car audio, car radios, car anti-theft alarm systems, tablet computers, digital TV receivers, communication multimedia, clocks, computers and other telecommunications and electronic industry products.
[i=s]This post was last edited by shijizai on 2020-11-23 17:20[/i]I just made a note of the pit I just jumped out of, so as not to forget it later.
The MPU9250 magnetometer ID reading does not get the...
https://blog.adafruit.com/2020/10/01/ci ... -released/This is the second beta release of CircuitPython 6.0.0, and it's generally stable. See the porting status below for more stability details. This r...
[i=s] This post was last edited by Wuzu Simeng on 2019-4-14 00:23 [/i] [font=宋体] I had planned to read it once on the weekend, but I was busy all the time. I finally read it today~~~ A journey of a th...
1. Download and install tools or softwareBefore running the built-in routines in the TI official SDK, you need to install the necessary tools or software. I will directly attach the link of the tools ...
1. Overview The next generation network is a brand new network that integrates voice, data and multimedia services. It builds a layered and open architecture based on soft switching technology and IP...
August 12, 2013 - STMicroelectronics (STMicroelectronics, NYSE: STM), a leading global semiconductor supplier serving multiple electronic applications, the world's largest manufacturer of MEMS produc...[Details]
MILPITAS, CA – October 29, 2013 – Linear Technology Corporation introduces the LTC2943, a multi-cell battery fuel gauge that directly measures 3.6V to 20V battery stacks. Interfacing with multiple ce...[Details]
1. Working Principle
As shown in the figure below, it is a simple analog touch shape circuit using the switching characteristics of a transistor.
When the power is turned on, VTl-VT4 are all...[Details]
A frequency divider is a nonlinear device that generates an oscillation frequency that is an integer multiple of its input frequency. It is used to distinguish sound signals of different frequency ba...[Details]
Key technologies of 4G communication system
Abstract This paper first puts forward the current limitations of the 3G system, and then summarizes the introduction and concept of 4G, and briefly intr...[Details]
The working principle of the all-digital phase-locked loop is described, and a method of designing the all-digital phase-locked loop using VHDL technology is proposed. The method is implemented usi...[Details]
This paper analyzes some defects in the traditional IC design process and proposes a new IC design method based on the Logical Effort theory. As we all know, the traditional IC design process usual...[Details]
Logging technology, also known as geophysical logging technology, is the "eyes" of geologists and oil and gas reservoir development engineers in oil and gas reservoir exploration and development. The...[Details]
1. Rated impedance and impedance characteristics The rated impedance of a speaker system is generally determined by the rated impedance of the speaker unit used. The impedance characteristics of a spe...[Details]
High Frequency Electronic Circuit Exercises (2-10)
2-1 For the intermediate frequency amplifier of the radio, its center frequency f0=465 kHz. B0.707=8kHz, loop capacitance C=...[Details]
3.4.3 Line voltage regulation curve using compensation circuit
Figure 18 LED current line voltage regulation using compensation circuit
3.4.4 Startup output waveform
Figure 19 110VAC start...[Details]
1. Analog Circuit
1. What is Kirchhoff's Theorem? (Shilan Microelectronics)
Kirchhoff's current law is a law of conservation of charge, that is, the charge flowing into a node in a circuit ...[Details]
Electronic password lock circuit diagram using GAL device
For electronic password locks using universal erasable GAL devices, once the password data is written, it can be saved for at least 20 year...[Details]
This article describes the basic principles of circuit board layout for switching regulators. Although this article focuses on boost switching regulators, the principles it contains are applicable to...[Details]
For many years, consumer audio engineers have wanted to use power-saving digital Class D amplifiers to replace power-hungry analog Class A/B amplifiers. But so far, two problems have hindered the app...[Details]
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