Today I disassembled a small car and found a capacitor between the positive and negative poles. I was very curious. It can run normally without the capacitor, so why add a capacitor?...
[size=14px]The official documentation of MicroPython has been greatly adjusted. Originally, pyboard, wipy, esp8266, etc. were separate documents, but now the documents of various modules have been mer...
Doesn't F5529LP support EneryTrace? However, the F2259LP manual does not indicate that it has EneryTrace, and in actual use, it cannot monitor current and power consumption. According to the product i...
I recently wrote the USB driver for my phone , Motorola L6, on 2440. Now the driver can be loaded. It can also read data and device descriptors, etc. But there is a problem that every time I unplug my...
Use the following circuit diagram to build an AC-DC conversion circuit. It is found that during the experiment: 1. The input signal frequency f=10KHz, the amplitude is about Vin=5Vpp sinusoidal signal...
In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
A ventilator is an instrument that can replace or assist a person's respiratory function. It is suitable for artificial respiration of patients with respiratory failure or even respiratory arrest. I...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[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]
Pulse oximeters, non-invasive instruments used to monitor a patient's blood oxygen saturation, are benefiting from moving away from expensive discrete component solutions toward more integrated design...[Details]
Implantable Cardivoerter Defibrillators (ICDs) have been in common use for several years. ICDs apply a high voltage pulse between two electrodes connected to the heart, which detects cardiac fibrillat...[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]
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 excel...[Details]
There are many ways to attenuate signals. The most commonly used method is to divide the voltage using resistors. The common circuits are as follows:
Oscilloscope pre-stage attenuation c...[Details]
Abstract:
This paper
introduces a data acquisition system based on USB and DSP, which takes advantage of the high-speed transmission characteristics of USB2.0. The overall structure of the ...[Details]
Abstract: By controlling the supply voltage of the radio frequency (RF) power amplifier (PA) in a CDMA/WCDMA cellular phone, the PA efficiency can be improved, heat generation can be reduced, and t...[Details]
AD8205 is a single-power high-performance differential amplifier launched by Analog Devices, Inc., USA. The typical single-power supply voltage is 5V, and its common-mode voltage input r...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
1 Introduction
Bandgap reference sources are widely used in various integrated circuits. With the increasing development of modern integrated circuits, bandgap reference sources play ...[Details]
introduction
Laser Doppler displacement measurement technology has the characteristics of high precision, high signal-to-noise ratio, fast dynamic response, good linearity, strong anti-int...[Details]
Analog electronics
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