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...
TD-SCDMA (Time Division Synchronous Code Division Multiple Access) is one of the three major standards for the third generation of mobile communications. It is a communication standard with indepen...[Details]
Magnetic resonance imaging (MRI) systems can take high-resolution cross-sectional perspective images of the human body, providing very useful information for medical diagnosis. The radio frequency pro...[Details]
The latest C language tools allow you to quickly complete the design of algorithm-intensive applications even if you are not proficient in hardware development.
Hardware designers have b...[Details]
Digital signal processors have efficient numerical computing capabilities and can provide a good development environment, while programmable logic devices have highly flexible configurability. This...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the follow...[Details]
Overview
Bioelectric signals are very weak, and there is strong interference when detecting them. Therefore, there are many technical difficulties in designing high-quality bioelectric ampli...[Details]
With the development of automatic control technology, the application of precision air pressure generation and control technology is becoming more and more extensive. However, the traditional valve...[Details]
As the whole equipment is becoming increasingly miniaturized and power-saving, low-dropout linear regulators (LDOs) with low power consumption are becoming the mainstream in the market for linear regu...[Details]
Many MEMS devices, such as accelerometers and mechanical resonance devices, require a vacuum environment to realize their designed functions. However, verifying whether the package cavity has reach...[Details]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its exc...[Details]
In a Class D audio power amplifier, the preamplifier is a relatively important module. It is located at the front of the entire topology and completes the processing of the input signal source,...[Details]
1. Introduction
The intelligent detector discussed in this paper is an integrated semiconductor photodetector. Compared with traditional semiconductor photosensitive devices, its most ...[Details]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
With the continuous emergence of new technologies and the increasing complexity of DSP real-time systems, there are more and more different types of external devices. Writing drivers for these exte...[Details]