Chapter 3 of the book "Operational Amplifier Parameter Analysis and LTspice Application Simulation" is about special amplifiers, including four types of special amplifiers: instrumentation amplifiers,...
1. Transistor
The transistor is a current-controlled device. Its main function is to amplify weak signals. It has low input impedance. For example, a very small current Ib is given to the base b, an...
There are generally two ways to increase the transmission rate of wireless transmission. One is to increase the spectrum utilization rate, and the other is to increase the spectrum bandwidth. In wirel...
1. Background
I have done a project on STM32 low-power signal acquisition before, using the STM32L031 microcontroller. The project requirements are as follows:
The device is powered by a battery, dete...
Engineering changes (ECOs) drive up design costs and cause significant delays in product development, which in turn delays time to market. However, most ECOs can be avoided by carefully considering se...
The company will supply electric vehicles worldwide from 2025, helping to extend driving range and miniaturize systems
ROHM's 4th generation SiC MOSFETs and gate driver ICs have be...[Details]
On the evening of March 18, Apple's official website quietly launched a new iPad Pro. Compared with the previous generation, the biggest highlight of this iPad Pro is the dToF module configured in th...[Details]
Using SyncML DM, mobile system operators or system suppliers can update the software of users' mobile phones, solve problems, and install application software through the Internet. Therefore, ...[Details]
A new smartwatch has recently been certified by the Bluetooth SIG. The watch is released under the Huawei brand, but the model number is different from the one we already know. The watch has the mo...[Details]
According to MacRumors, display industry consultant Ross Young said that all four iPhone 15 series models scheduled to be released next year will adopt a "pill and hole-punch" display design to repla...[Details]
Siemens S7-200 smart and S7-1200 are two PLC product series launched by Siemens for industrial automation control systems. Although they both belong to Siemens' S7 series, there are some difference...[Details]
Samsung is developing its first RGBW color filter ISOCELL lens. IT Home learned that the company confirmed today at a webinar hosted by Transsion that the sensor representing Samsung's ambit...[Details]
Continuing the development of the project, I suddenly found that the program could not be downloaded to the microcontroller normally, and the error shown in the figure below was prompted. I was u...[Details]
This morning, OPPO officially announced that the Find X3 series will be equipped with a 1 billion color screen and natively support 10-bit display. OPPO said that the 1 billion color screen equipp...[Details]
When our business places orders with manufacturers, whether it is a Tektronix oscilloscope, a Keysight oscilloscope, or other hot-selling products, the delivery time is relatively long due to materia...[Details]
1. Introduction
Microwaves usually refer to decimeter waves, centimeter waves and millimeter waves. Regarding its frequency range, one statement is:
300MHz ~ 300GHz (1MHz = 106Hz, 1GHz = 10...[Details]
introduction
This article describes the principles of measuring the momentum and oscillation of an object using an accelerometer, microcontroller hardware/software, and an LCD display. Since the ac...[Details]
Silicon carbide has excellent electrical properties such as high voltage resistance, high temperature resistance, high frequency, and radiation resistance. It breaks through the physical limitation...[Details]
Analog electronics
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