Zhejiang Yajing Electronics Co., Ltd. is a high-tech enterprise jointly established with Singapore Yabo International Enterprise Co., Ltd. in 1996. The company is located at No. 655, Jingyi Road, Taizhou Economic Development Zone, Zhejiang Province, covering an area of 50,000 square meters and a building area of 45,000 square meters. It currently has 1,800 employees, including 45 quality personnel and 37 technical research and development personnel. Its subordinate institutions include Sichuan Mianyang Yajing Technology Co., Ltd., Hong Kong Lixiang International Enterprise Co., Ltd., Shenzhen Yajingxin Electronics Co., Ltd., Taizhou Yajing Electronics Sales Company, Zhejiang Yajing Electronics Co., Ltd. Qingdao Branch, and offices in various parts of China. The company is currently a "513 Project" enterprise in Taizhou City and a key backbone enterprise of the Zhejiang Provincial Information Industry Department. In 2005, it was rated as one of the top 100 enterprises in China's electronic components industry, a trustworthy unit for Chinese quality integrity consumers (users), a Chinese AAA-level quality integrity member unit, and one of the top 100 electronic components enterprises in China.
[color=red]Question: [/color] [color=red]Can I use all these GPIOs? Is it used in the kernel? [/color] [color=black]Answer: [/color] [color=black]The IOs with numbers in brackets should be able to be ...
Many engineers in the forum must have used thermal imagers. In daily work, thermal imagers can quickly check hidden problems, shorten troubleshooting time, and greatly improve work efficiency. It is a...
[font=微软雅黑][color=#333333]Previously, the program was run in the KEIL5 environment and there was no problem; [/color][/font] [font=微软雅黑][color=#333333]Now I have changed to the IAR8.30 environment, co...
[i=s]This post was last edited by eric123456ok on 2020-5-28 22:58[/i] Introduction: 3C lithium batteries have the advantages of large capacity, good cycle life, and no memory effect. They are widely u...
I have a Fluke17b that I've used for seven or eight years. Maybe I disassembled it too much recently and it broke for no apparent reason. Does anyone know how to fix it?
Thanks...
Amplifier working process and composition principle:
(1) Workflow Input - Preamplifier - Driver - OTL power output - Speaker (2) Composition principle ① Preamplifier (input) The preamplifier is co...[Details]
"Bear" subwoofer
Subwoofer playback is unforgettable with its powerful, deep and soul-stirring effect. With the popularization of home theaters and the continuous imp...[Details]
Although the gain enhancement technology greatly improves the voltage gain of the amplifier, the circuit becomes more complicated and the frequency response is inevitably affected. In order to analyz...[Details]
The timer input channel of STM32 has a filter unit, which is located on each input path (yellow box in the figure below) and external trigger input path (blue box in the figure below). Their function...[Details]
TDA8920 is a class D (switching) power amplifier IC produced by Philips. The device integrates analog circuits, digital circuits and two MOSFET half-bridge power stages on the same chip. It uses a 17-...[Details]
1 Introduction
LED is a type of light-emitting device that can directly convert electrical energy into visible light and radiation energy. It has a series of characteristics such as low operating...[Details]
Stereo amplifier, the principle/selection/function of stereo amplifier
The basic principle circuit of stereo amplifier
Figure 1 is a principle circuit of a stereo audio amplifier. When analyzing...[Details]
When using ROM, since its address decoder is fixed, the function cannot be simplified, thus occupying more area of the ROM chip. To solve this problem, we use a device that can simplify functions -...[Details]
At the second day of the APU 13 event, ARM CTO Mike Muller explained that HSA heterogeneous design has existed for a long time, and also emphasized that the HSA architecture will make it easier to mi...[Details]
Application of Hall Current Sensor in Uninterruptible Power Supply
As shown in Figure 40, Hall current sensor 1 sends a signal and provides feedback to control the trigger angle of the thyristor, t...[Details]
Summary Phased array radar systems utilize multiple transmit and receive channels to function properly. Historically, these platforms were built using separate transmit and receive integrated circ...[Details]
0.5W audio power amplifier that works at low voltage
Function of the circuit
This 0.5W audio amplifier is installed in a small microphone to provide information for the synthesis device. The p...[Details]
At the "2017 China Semiconductor Market Annual Conference - and the Sixth Integrated Circuit Industry Innovation Conference" held recently, Long Hanbing, deputy director of the Integrated Circuit D...[Details]
Three of the five important rumors this week are related to Apple. We can't help but admire Apple's influence in the industry. There are both good and bad news about Apple. The good news is that Appl...[Details]
In this power supply design tip, we will continue to discuss the issue of common-mode current. As mentioned earlier, we can use a frame capacitor to return the common-mode current to the power supply...[Details]
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