ISM92-1251AH-40.000

Spectrum Instruments is a leading technology company engaged in the development of computer (PC-based) solutions. Since its establishment in December 1989, Spectrum Instruments has developed into a g...[Details]

Today, we will introduce a standard for the automotive industry. Although this standard is not new - it was released in 2018, there seems to be little discussion about it in China. Before discussing ...[Details]

The power amplifier is an indispensable key component of the millimeter wave frequency band transmitter. The output power determines the range and anti-interference ability of the entire system...[Details]

1. Principle of STM32 general timer                             The STM32 series CPU has up to 8 timers, of which TIM1 and TIM8 are advanced timers that can generate three pairs of PWM complementary ...[Details]

1. Qualitative judgment of the quality of MOS field effect tubes First, use the multimeter R×10kΩ range (built-in 9V or 15V battery), connect the negative probe (black) to the gate (G), and the posit...[Details]

After the PCB is welded, its components need to be tested. The traditional method is to test after welding it off the PCB board, but this method is not only troublesome and inefficient, but also easy...[Details]

      As a change to the existing, Apple will offer iPhone XR as a loaner device to users in some areas when users mail their device to a service center. 　　According to an internal service memo seen ...[Details]

Keysight Technologies has introduced a new series of single-slot PXI vector network analyzers. These analyzers cover a frequency range of 300 kHz to 26.5 GHz and have the best speed, trace noise, stab...[Details]

Introduction: Let me first explain that the chip driver of the LCD1602 I am going to talk about below is HD44780. If your LCD1602 driver chip is not HD44780, then the following content is not applica...[Details]

How to adjust the equalizer Sub-bass: 20Hz-40Hz, powerful when appropriate. Can control the sound of thunder, bass drum, organ and bass. Excessive boost will make the music muddy and ...[Details]

Several of my friends have worked hard in various directions at Dragonfly Auto, and in the end, they saw that almost everyone quit when they couldn't hold on any longer, some after 5 years, some afte...[Details]

The MAXQ3120 Electricity Meter (EM) reference design builds a multi-function, multi-rate electricity meter that complies with all applicable standards worldwide. The reference design forms a prototype...[Details]

To understand the segmented memory function of the oscilloscope, let us first look at what problems this function solves and what its value is. First of all, we must make it clear that the digital ...[Details]

    Fujitsu General's new air conditioner "nocria X" series has the usual cold and warm air outlets (main louver part) at the bottom of the fuselage, and also has side fans for air supply with built-...[Details]

The most widely used scenario of inductors is power supply. Both boost circuits and buck circuits require an inductor to store and release energy. Many novice friends are too familiar with the prin...[Details]