My circuit diagram is as shown in the figure. The signal is collected from the MIC and amplified by the op amp. Now the amplified sound has noise. Does my schematic need to be improved? Please give me...
[i=s]This post was last edited by bigbat on 2021-12-18 12:17[/i]When I was explaining resistors, capacitors, and inductors to some non-professional colleagues, the inductor gave me the most headache. ...
Circuit Function and AdvantagesThis circuit uses the AD5546/AD5556 current output DAC, the ADR01 10 V precision voltage reference, and the AD8512 operational amplifier to achieve precision, bipolar da...
It has been a few days since I received the module. I looked at the evaluation guide and it is not bad. The overall parameters are basically better than mechanical relays. I am engaged in smart home, ...
Indoor 5G antenna solution2.1 Typical digital indoor distribution system
Typical indoor distribution scenarios include government and enterprise office buildings, shopping malls, hotels, hospitals, et...
The intelligent driving community has its own rhythm. Some are busy pushing new versions and focusing on R&D, others are busy with publicity and promotion, and still others are immersed in mass pro...[Details]
New energy vehicles are increasingly popular with consumers due to policies and energy conservation. Once you've purchased your vehicle, maintenance is essential. However, due to the different powe...[Details]
We are entering a new era where people are increasingly affordably equipped with more electronic gadgets. Electronics have become essential to our lives. For example, the average consumer now owns ...[Details]
In mobile technology, sensors are the primary input for measured signals and form a component of a sensor system. They include sensitive and transducer elements connected to carriers and circuits. ...[Details]
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[Details]
The digital TV set-top box consists of a tuner, QAM demodulator, TS demultiplexer, MPEG-2 decoder, PAUNTSC video encoder, embedded CPU system and peripheral interfaces, CA module, and uplink data m...[Details]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[Details]
According to Nikkei, Japan has performed poorly in responding to China's power semiconductor challenges.
There are five major companies in Japan's power chip market: Mitsubishi Electric,...[Details]
Linear motor modules have become the "sweet spot" in various fields due to their advantages such as long stroke, fast speed, high precision, smooth operation and long life. Different models of line...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
The mobile computing market is rapidly evolving, and manufacturers are fiercely competing for market share. A key area of competition is battery life, which encompasses two key aspects: how long th...[Details]
Pure electric vehicles have experienced rapid growth in recent years, and many consumers now consider them as a top choice when purchasing a car. But do you know how to choose a satisfactory and sa...[Details]
The drive shaft is the shaft in a universal joint that transmits power. As a high-speed, low-support rotating body, its dynamic balance is crucial. Generally, drive shafts undergo dynamic balancing...[Details]
Recently, I received a request to use OK1028A-C to output PWM square wave. However, I found that there was no relevant instructions on the OK1028 platform, so I started writing this article.
A...[Details]
On August 19, Huawei's Executive Director and Chairman of the Device BG, Richard Yu, shared a Weibo post about a conversation he had with a Zunjie S800 owner. The owner had driven over 5,000 kilome...[Details]
Analog electronics
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